
Extension springs absorb and store energy as well as create a resistance to a pulling force. Extension Springs are attached at both ends to other components. When these components move apart, the extension spring will pull components together again. Learn more about Extension Springs and How to Measure an Extension Spring.
EI 013B 07 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.033            | 
                                                                                        0.013            | 
                                                                                        0.33            | 
                                                                                        567            | 
                                                                                        0.567            | 
                                                                                        1.25            | 
                                                                                        5.56            | 
                                                                                        227            | 
                                                                                        22.7            | 
                                                                                        0.227            | 
                                                                                        0.0227            | 
                                                                                        1.27            | 
                                                                                        2.22            | 
                                                                                        0.222            | 
                                                                                        4.775            | 
                                                                                        1.88            | 
                                                                                        47.75            | 
                                                                                        59            | 
                                                                                        0.059            | 
                                                                                        0.13            | 
                                                                                        0.578            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              MW
                                        | 
              
EI 013B 07 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.033            | 
                                                                                        0.013            | 
                                                                                        0.33            | 
                                                                                        472.3            | 
                                                                                        0.4723            | 
                                                                                        1.0412            | 
                                                                                        4.631            | 
                                                                                        189            | 
                                                                                        18.9            | 
                                                                                        0.189            | 
                                                                                        0.0189            | 
                                                                                        1.06            | 
                                                                                        1.86            | 
                                                                                        0.186            | 
                                                                                        4.775            | 
                                                                                        1.88            | 
                                                                                        47.75            | 
                                                                                        49.1            | 
                                                                                        0.0491            | 
                                                                                        0.1082            | 
                                                                                        0.481            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              SS
                                        | 
              
EI 014B 01 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.036            | 
                                                                                        0.014            | 
                                                                                        0.36            | 
                                                                                        680.4            | 
                                                                                        0.6804            | 
                                                                                        1.5            | 
                                                                                        6.672            | 
                                                                                        1268            | 
                                                                                        126.8            | 
                                                                                        1.268            | 
                                                                                        0.1268            | 
                                                                                        7.1            | 
                                                                                        12.43            | 
                                                                                        1.243            | 
                                                                                        1.435            | 
                                                                                        0.565            | 
                                                                                        14.35            | 
                                                                                        77.1            | 
                                                                                        0.0771            | 
                                                                                        0.17            | 
                                                                                        0.756            | 
                                                                                        0.953            | 
                                                                                        0.375            | 
                                                                                        9.53            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 01 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        2536            | 
                                                                                        253.6            | 
                                                                                        2.536            | 
                                                                                        0.2536            | 
                                                                                        14.2            | 
                                                                                        24.87            | 
                                                                                        2.487            | 
                                                                                        1.323            | 
                                                                                        0.521            | 
                                                                                        13.23            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        0.953            | 
                                                                                        0.375            | 
                                                                                        9.53            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 07 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        551            | 
                                                                                        55.1            | 
                                                                                        0.551            | 
                                                                                        0.0551            | 
                                                                                        3.083            | 
                                                                                        5.4            | 
                                                                                        0.54            | 
                                                                                        3.96            | 
                                                                                        1.559            | 
                                                                                        39.6            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              SS
                                        | 
              
EI 016B 07 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        661            | 
                                                                                        66.1            | 
                                                                                        0.661            | 
                                                                                        0.0661            | 
                                                                                        3.7            | 
                                                                                        6.48            | 
                                                                                        0.648            | 
                                                                                        3.96            | 
                                                                                        1.559            | 
                                                                                        39.6            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        2.54            | 
                                                                                        1            | 
                                                                                        25.4            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 06 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        655            | 
                                                                                        65.5            | 
                                                                                        0.655            | 
                                                                                        0.0655            | 
                                                                                        3.67            | 
                                                                                        6.43            | 
                                                                                        0.643            | 
                                                                                        3.416            | 
                                                                                        1.345            | 
                                                                                        34.16            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        2.223            | 
                                                                                        0.875            | 
                                                                                        22.23            | 
                                                                                        
                              SS
                                        | 
              
EI 016B 06 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        786            | 
                                                                                        78.6            | 
                                                                                        0.786            | 
                                                                                        0.0786            | 
                                                                                        4.4            | 
                                                                                        7.71            | 
                                                                                        0.771            | 
                                                                                        3.416            | 
                                                                                        1.345            | 
                                                                                        34.16            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        2.223            | 
                                                                                        0.875            | 
                                                                                        22.23            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 05 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        789            | 
                                                                                        78.9            | 
                                                                                        0.789            | 
                                                                                        0.0789            | 
                                                                                        4.42            | 
                                                                                        7.74            | 
                                                                                        0.774            | 
                                                                                        2.896            | 
                                                                                        1.14            | 
                                                                                        28.96            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        1.905            | 
                                                                                        0.75            | 
                                                                                        19.05            | 
                                                                                        
                              SS
                                        | 
              
EI 016B 05 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        946            | 
                                                                                        94.6            | 
                                                                                        0.946            | 
                                                                                        0.0946            | 
                                                                                        5.3            | 
                                                                                        9.28            | 
                                                                                        0.928            | 
                                                                                        2.898            | 
                                                                                        1.141            | 
                                                                                        28.98            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        1.905            | 
                                                                                        0.75            | 
                                                                                        19.05            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 04 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        1013            | 
                                                                                        101.3            | 
                                                                                        1.013            | 
                                                                                        0.1013            | 
                                                                                        5.67            | 
                                                                                        9.93            | 
                                                                                        0.993            | 
                                                                                        2.36            | 
                                                                                        0.929            | 
                                                                                        23.6            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        1.588            | 
                                                                                        0.625            | 
                                                                                        15.88            | 
                                                                                        
                              SS
                                        | 
              
EI 016B 04 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        1214            | 
                                                                                        121.4            | 
                                                                                        1.214            | 
                                                                                        0.1214            | 
                                                                                        6.8            | 
                                                                                        11.91            | 
                                                                                        1.191            | 
                                                                                        2.36            | 
                                                                                        0.929            | 
                                                                                        23.6            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        1.588            | 
                                                                                        0.625            | 
                                                                                        15.88            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 03 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        1370            | 
                                                                                        137            | 
                                                                                        1.37            | 
                                                                                        0.137            | 
                                                                                        7.67            | 
                                                                                        13.43            | 
                                                                                        1.343            | 
                                                                                        1.842            | 
                                                                                        0.725            | 
                                                                                        18.42            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        1.27            | 
                                                                                        0.5            | 
                                                                                        12.7            | 
                                                                                        
                              SS
                                        | 
              
EI 016B 03 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        1643            | 
                                                                                        164.3            | 
                                                                                        1.643            | 
                                                                                        0.1643            | 
                                                                                        9.2            | 
                                                                                        16.11            | 
                                                                                        1.611            | 
                                                                                        1.842            | 
                                                                                        0.725            | 
                                                                                        18.42            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        1.27            | 
                                                                                        0.5            | 
                                                                                        12.7            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 02 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        1638            | 
                                                                                        163.8            | 
                                                                                        1.638            | 
                                                                                        0.1638            | 
                                                                                        9.17            | 
                                                                                        16.06            | 
                                                                                        1.606            | 
                                                                                        1.59            | 
                                                                                        0.626            | 
                                                                                        15.9            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        1.113            | 
                                                                                        0.438            | 
                                                                                        11.13            | 
                                                                                        
                              SS
                                        | 
              
EI 016B 02 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        1025.1            | 
                                                                                        1.0251            | 
                                                                                        2.26            | 
                                                                                        10.053            | 
                                                                                        1964            | 
                                                                                        196.4            | 
                                                                                        1.964            | 
                                                                                        0.1964            | 
                                                                                        11            | 
                                                                                        19.26            | 
                                                                                        1.926            | 
                                                                                        1.59            | 
                                                                                        0.626            | 
                                                                                        15.9            | 
                                                                                        86.2            | 
                                                                                        0.0862            | 
                                                                                        0.19            | 
                                                                                        0.845            | 
                                                                                        1.113            | 
                                                                                        0.438            | 
                                                                                        11.13            | 
                                                                                        
                              MW
                                        | 
              
EI 016B 01 S316 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        640.5            | 
                                                                                        0.6405            | 
                                                                                        1.412            | 
                                                                                        6.281            | 
                                                                                        2113            | 
                                                                                        211.3            | 
                                                                                        2.113            | 
                                                                                        0.2113            | 
                                                                                        11.83            | 
                                                                                        20.72            | 
                                                                                        2.072            | 
                                                                                        1.219            | 
                                                                                        0.48            | 
                                                                                        12.19            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        0.953            | 
                                                                                        0.375            | 
                                                                                        9.53            | 
                                                                                        
                              SS 316
                                        | 
              
EI 016B 01 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.041            | 
                                                                                        0.016            | 
                                                                                        0.41            | 
                                                                                        854.1            | 
                                                                                        0.8541            | 
                                                                                        1.883            | 
                                                                                        8.376            | 
                                                                                        2113            | 
                                                                                        211.3            | 
                                                                                        2.113            | 
                                                                                        0.2113            | 
                                                                                        11.83            | 
                                                                                        20.72            | 
                                                                                        2.072            | 
                                                                                        1.323            | 
                                                                                        0.521            | 
                                                                                        13.23            | 
                                                                                        72.6            | 
                                                                                        0.0726            | 
                                                                                        0.16            | 
                                                                                        0.712            | 
                                                                                        0.953            | 
                                                                                        0.375            | 
                                                                                        9.53            | 
                                                                                        
                              SS
                                        | 
              
EI 014B 04 M 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.036            | 
                                                                                        0.014            | 
                                                                                        0.36            | 
                                                                                        680.4            | 
                                                                                        0.6804            | 
                                                                                        1.5            | 
                                                                                        6.672            | 
                                                                                        607            | 
                                                                                        60.7            | 
                                                                                        0.607            | 
                                                                                        0.0607            | 
                                                                                        3.4            | 
                                                                                        5.95            | 
                                                                                        0.595            | 
                                                                                        2.578            | 
                                                                                        1.015            | 
                                                                                        25.78            | 
                                                                                        77.1            | 
                                                                                        0.0771            | 
                                                                                        0.17            | 
                                                                                        0.756            | 
                                                                                        1.588            | 
                                                                                        0.625            | 
                                                                                        15.88            | 
                                                                                        
                              MW
                                        | 
              
EI 014B 03 S 
                             | 
                                                                                        0.239            | 
                                                                                        0.094            | 
                                                                                        2.39            | 
                                                                                        0.036            | 
                                                                                        0.014            | 
                                                                                        0.36            | 
                                                                                        566.8            | 
                                                                                        0.5668            | 
                                                                                        1.2495            | 
                                                                                        5.558            | 
                                                                                        684            | 
                                                                                        68.4            | 
                                                                                        0.684            | 
                                                                                        0.0684            | 
                                                                                        3.83            | 
                                                                                        6.71            | 
                                                                                        0.671            | 
                                                                                        2.007            | 
                                                                                        0.79            | 
                                                                                        20.07            | 
                                                                                        64.2            | 
                                                                                        0.0642            | 
                                                                                        0.1416            | 
                                                                                        0.63            | 
                                                                                        1.27            | 
                                                                                        0.5            | 
                                                                                        12.7            | 
                                                                                        
                              SS
                                        | 
              
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