Compression Springs - Galvanized Spring Steel

Technical drawing - Compression spring - Range ABC
This series is a narrow series we designed ourselves. These are the only springs we stock in galvanised wire. This series is also available in stainless steel.

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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)

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
Zinc Plated 0.0315 0.3937 0.3307 1.9685 0.6417 1.3268 3.1024 2.3412 C 512 512
Zinc Plated 0.0354 0.3543 0.2835 0.9843 0.6335 0.3508 1.9379 5.5388 C 513 513
Zinc Plated 0.0394 0.6299 0.5512 2.9528 0.6445 2.3083 3.9791 1.7130 C 520 520
Zinc Plated 0.0492 0.5512 0.4528 2.9528 1.0874 1.8654 7.9875 4.2826 C 515 515
Zinc Plated 0.0591 0.4724 0.3543 0.8661 0.4646 0.4016 20.4284 50.8774 C 514 514
Zinc Plated 0.0591 0.5709 0.4528 0.6693 0.2972 0.3720 19.9540 53.6183 C 511 511
Zinc Plated 0.0669 0.5787 0.4449 1.0630 0.5713 0.4917 19.7787 40.1994 C 518 518
Zinc Plated 0.0787 0.6299 0.4724 3.1496 1.3587 1.7909 46.7288 26.0954 C 517 517
Zinc Plated 0.0787 0.7874 0.6299 3.3465 1.4559 1.8906 22.3505 11.8200 C 519 519
Zinc Plated 0.0984 0.6811 0.4843 0.7874 0.5087 0.2787 71.0104 254.9010 C 516 516
  1. 512
    In stock: 1,696
    Material Zinc Plated
    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) 3.1024
    R - Spring constant (lb/in) 2.3412
    Range C
  2. 513
    In stock: 3,511
    Material Zinc Plated
    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) 1.9379
    R - Spring constant (lb/in) 5.5388
    Range C
  3. 520
    In stock: 2,110
    Material Zinc Plated
    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) 3.9791
    R - Spring constant (lb/in) 1.7130
    Range C
  4. 515
    In stock: 205
    Material Zinc Plated
    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) 7.9875
    R - Spring constant (lb/in) 4.2826
    Range C
  5. 514
    In stock: 4,332
    Material Zinc Plated
    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) 20.4284
    R - Spring constant (lb/in) 50.8774
    Range C
  6. 511
    In stock: 4,066
    Material Zinc Plated
    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) 19.9540
    R - Spring constant (lb/in) 53.6183
    Range C
  7. 518
    In stock: 2,260
    Material Zinc Plated
    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) 19.7787
    R - Spring constant (lb/in) 40.1994
    Range C
  8. 517
    In stock: 850
    Material Zinc Plated
    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) 46.7288
    R - Spring constant (lb/in) 26.0954
    Range C
  9. 519
    In stock: 1,987
    Material Zinc Plated
    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) 22.3505
    R - Spring constant (lb/in) 11.8200
    Range C
  10. 516
    In stock: 4,660
    Material Zinc Plated
    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) 71.0104
    R - Spring constant (lb/in) 254.9010
    Range C
per page
Material

DIN 17223 C-Wire WERKSTOFF NO. 1.200
Working temperature between -30 ºC and +120 ºC

Galvanization

The galvanised range is manufactured of electro-galvanised music wire. Electro-galvanisation means that the spring gets a blank and more corrosion resistant surface.

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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