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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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)

10 Items

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View prices - Add to Cart Material 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)
Range SKU Stock Tech Drawing Read More 3D CAD
Stainless steel 302 0.0315 0.3937 0.3307 1.9685 0.6417 1.3268 2.6820 1.9986 C 512RF 512RF
Stainless steel 302 0.0354 0.3543 0.2835 0.9843 0.6335 0.3508 1.6636 4.7394 C 513RF 513RF
Stainless steel 302 0.0394 0.6299 0.5512 2.9528 0.6445 2.3083 3.4171 1.4846 C 520RF 520RF
Stainless steel 302 0.0492 0.5512 0.4528 2.9528 1.0874 1.8654 6.8612 3.6545 C 515RF 515RF
Stainless steel 302 0.0591 0.4724 0.3543 0.8661 0.4646 0.4016 17.5463 43.6826 C 514RF 514RF
Stainless steel 302 0.0591 0.5709 0.4528 0.6693 0.2972 0.3720 17.1372 46.0809 C 511RF 511RF
Stainless steel 302 0.0669 0.5787 0.4449 1.0630 0.5713 0.4917 16.9888 34.5464 C 518RF 518RF
Stainless steel 302 0.0787 0.6299 0.4724 3.1496 1.3587 1.7909 40.1351 22.4409 C 517RF 517RF
Stainless steel 302 0.0787 0.7874 0.6299 3.3465 1.4559 1.8906 19.1964 10.2212 C 519RF 519RF
Stainless steel 302 0.0984 0.6811 0.4843 0.7874 0.5087 0.2787 60.9907 218.9270 C 516RF 516RF
  1. 512RF
    In stock: 2,448
    Material Stainless steel 302
    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
    Range C
  2. 513RF
    In stock: 1,247
    Material Stainless steel 302
    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
    Range C
  3. 520RF
    In stock: 929
    Material Stainless steel 302
    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
    Range C
  4. 515RF
    In stock: 387
    Material Stainless steel 302
    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
    Range C
  5. 514RF
    In stock: 946
    Material Stainless steel 302
    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
    Range C
  6. 511RF
    In stock: 1,229
    Material Stainless steel 302
    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
    Range C
  7. 518RF
    In stock: 488
    Material Stainless steel 302
    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
    Range C
  8. 517RF
    In stock: 653
    Material Stainless steel 302
    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
    Range C
  9. 519RF
    In stock: 876
    Material Stainless steel 302
    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
    Range C
  10. 516RF
    In stock: 4,673
    Material Stainless steel 302
    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) 218.9270
    Range C
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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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