Compression Springs - Stainless Steel

Technical drawing - Compression spring - Range ABC
This series is a narrow series we designed ourselves. This series is also available in a galvanised version.
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Shopping Options
d - Wire diameter (in)
De - External diameter (in)
Di - Internal diameter (in)
L0 - Unloaded length (in)
Ln - Max. loaded length (in)
Sn - Maximum travel (in)
Fn - Maximum load at Ln (lbs)
R - Spring constant (lb/in)

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d
Wire diameter (in)
De
External diameter (in)
Di
Internal diameter (in)
L0
Unloaded length (in)
Ln
Max. loaded length (in)
Sn
Maximum travel (in)
Fn
Maximum load at Ln (lbs)
R
Spring constant (lb/in)
SKU Tech Drawing Compare Read More 3D CAD Stock View prices - Add to Cart
0,0591 0,5709 0,4528 0,6693 0,2972 0,3720 17,1372 46,0809 511RF 511RF -
0,0315 0,3937 0,3307 1,9685 0,6417 1,3268 2,6820 1,9986 512RF 512RF -
0,0354 0,3543 0,2835 0,9843 0,6335 0,3508 1,6636 4,7394 513RF 513RF -
0,0394 0,6299 0,5512 2,9528 0,6445 2,3083 3,4171 1,4846 520RF 520RF -
0,0492 0,5512 0,4528 2,9528 1,0874 1,8654 6,8612 3,6545 515RF 515RF -
0,0591 0,4724 0,3543 0,8661 0,4646 0,4016 17,5463 43,6826 514RF 514RF -
0,0669 0,5787 0,4449 1,0630 0,5713 0,4917 16,9888 34,5464 518RF 518RF -
0,0787 0,6299 0,4724 3,1496 1,3587 1,7909 40,1351 22,4409 517RF 517RF -
0,0787 0,7874 0,6299 3,3465 1,4559 1,8906 19,1964 10,2212 519RF 519RF -
0,0984 0,6811 0,4843 0,7874 0,5087 0,2787 60,9907 218,927 516RF 516RF -
  1. 511RF
    In stock: 1,293
    d - Wire diameter (in) 0,0591
    De - External diameter (in) 0,5709
    Di - Internal diameter (in) 0,4528
    L0 - Unloaded length (in) 0,6693
    Ln - Max. loaded length (in) 0,2972
    Sn - Maximum travel (in) 0,3720
    Fn - Maximum load at Ln (lbs) 17,1372
    R - Spring constant (lb/in) 46,0809
  2. 512RF
    In stock: 3,622
    d - Wire diameter (in) 0,0315
    De - External diameter (in) 0,3937
    Di - Internal diameter (in) 0,3307
    L0 - Unloaded length (in) 1,9685
    Ln - Max. loaded length (in) 0,6417
    Sn - Maximum travel (in) 1,3268
    Fn - Maximum load at Ln (lbs) 2,6820
    R - Spring constant (lb/in) 1,9986
  3. 513RF
    In stock: 348
    d - Wire diameter (in) 0,0354
    De - External diameter (in) 0,3543
    Di - Internal diameter (in) 0,2835
    L0 - Unloaded length (in) 0,9843
    Ln - Max. loaded length (in) 0,6335
    Sn - Maximum travel (in) 0,3508
    Fn - Maximum load at Ln (lbs) 1,6636
    R - Spring constant (lb/in) 4,7394
  4. 520RF
    In stock: 112
    d - Wire diameter (in) 0,0394
    De - External diameter (in) 0,6299
    Di - Internal diameter (in) 0,5512
    L0 - Unloaded length (in) 2,9528
    Ln - Max. loaded length (in) 0,6445
    Sn - Maximum travel (in) 2,3083
    Fn - Maximum load at Ln (lbs) 3,4171
    R - Spring constant (lb/in) 1,4846
  5. 515RF
    In stock: 1,135
    d - Wire diameter (in) 0,0492
    De - External diameter (in) 0,5512
    Di - Internal diameter (in) 0,4528
    L0 - Unloaded length (in) 2,9528
    Ln - Max. loaded length (in) 1,0874
    Sn - Maximum travel (in) 1,8654
    Fn - Maximum load at Ln (lbs) 6,8612
    R - Spring constant (lb/in) 3,6545
  6. 514RF
    In stock: 790
    d - Wire diameter (in) 0,0591
    De - External diameter (in) 0,4724
    Di - Internal diameter (in) 0,3543
    L0 - Unloaded length (in) 0,8661
    Ln - Max. loaded length (in) 0,4646
    Sn - Maximum travel (in) 0,4016
    Fn - Maximum load at Ln (lbs) 17,5463
    R - Spring constant (lb/in) 43,6826
  7. 518RF
    In stock: 1,091
    d - Wire diameter (in) 0,0669
    De - External diameter (in) 0,5787
    Di - Internal diameter (in) 0,4449
    L0 - Unloaded length (in) 1,0630
    Ln - Max. loaded length (in) 0,5713
    Sn - Maximum travel (in) 0,4917
    Fn - Maximum load at Ln (lbs) 16,9888
    R - Spring constant (lb/in) 34,5464
  8. 517RF
    In stock: 593
    d - Wire diameter (in) 0,0787
    De - External diameter (in) 0,6299
    Di - Internal diameter (in) 0,4724
    L0 - Unloaded length (in) 3,1496
    Ln - Max. loaded length (in) 1,3587
    Sn - Maximum travel (in) 1,7909
    Fn - Maximum load at Ln (lbs) 40,1351
    R - Spring constant (lb/in) 22,4409
  9. 519RF
    In stock: 134
    d - Wire diameter (in) 0,0787
    De - External diameter (in) 0,7874
    Di - Internal diameter (in) 0,6299
    L0 - Unloaded length (in) 3,3465
    Ln - Max. loaded length (in) 1,4559
    Sn - Maximum travel (in) 1,8906
    Fn - Maximum load at Ln (lbs) 19,1964
    R - Spring constant (lb/in) 10,2212
  10. 516RF
    In stock: 612
    d - Wire diameter (in) 0,0984
    De - External diameter (in) 0,6811
    Di - Internal diameter (in) 0,4843
    L0 - Unloaded length (in) 0,7874
    Ln - Max. loaded length (in) 0,5087
    Sn - Maximum travel (in) 0,2787
    Fn - Maximum load at Ln (lbs) 60,9907
    R - Spring constant (lb/in) 218,927

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Material

DIN 17224 AISI 302 WERKSTOFF NO. 1.4310
Working temperature between -200 ºC and +250 ºC.
Produced in stainless steel for use in all environment. The stainless steel is rust-resistant.

Calculation of spring force

Fn for stainless steel spring steel is approx. 0.88 x Fn for music wire.

Calculation of spring force at a given length is travel s * R

If compression springs with a very high spring constant/carrying capacity are required, coloured die springs are recommended.

Winding direction

Normally right-handed

Misc.

If the springs are compressed to Ln, the spring will set itself. It will then not return to its original length, L0.

Always dimension a spring so that it delivers the desired travel and force with as little exertion as possible. This prolongs the service life of the spring. Applying maximum load to the spring will shorten its service life and cause it to become permanently distorted.

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