Wire Rope Strength Calculator

Calculate wire rope breaking strength, safe working load, D/d ratio, and bending fatigue life.

Nominal wire rope diameter.
mm
Rope grade factor. IPS: 1770, EIPS: 1960, EEIPS: 2160 MPa.
MPa
Metallic area ratio. 6x19: 0.40, 6x37: 0.40, 8x19: 0.35.
Standing: 3.5, Running: 5.0, Personnel: 8.0-10.0.
Diameter of sheave/drum for bending check.
mm

Results

Min Breaking Force-kN
Safe Working Load-kN
D/d Ratio-
D/d Assessment-
References: ASME B30.5 — Wire Rope Standards; Wire Rope Technical Board