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Spring calculator

Enter your dimensions to get spring rate, stress, developed length and weight instantly. Send the result to the quote form in one click.

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Assumptions: closed and ground ends (nt = n + 2), cold coiled, static load. Stress is Wahl-corrected; allowable stress taken as 0.5·Rm.

L0 = 50.00De = 14.00d = 1.80 · n = 8METSAN YAY · COMPRESSION SPRINGPRELIMINARYk (N/mm)7.36F(s) (N)73.6τk (N/mm²)479Safety2.12
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Results
Mean diameter Dm12.20 mm
Spring index C = Dm/d6.78
Spring rate k7.36 N/mm
Total coils nt10
Solid length Ls18.00 mm
Max. deflection sn29.57 mm
Force F(s)73.6 N
Wahl factor1.221
Stress τk479 N/mm²
Allowable τ1,017 N/mm²
Safety factor2.12
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This is a preliminary calculation; final values are confirmed on samples.