Tensile Loading Calculator
Maximum tensile load for metric screw joints — ISO 724 / EN ISO 898-1.
Section A
User inputs
Section B
Thread & material parameters (ISO 724)
| Thread geometry | |
|---|---|
| Nominal diameter d | — |
| Pitch P | — |
| Pitch diameter d2 | — |
| Root diameter d3 | — |
| Mean stress dia. dm | — |
| Tensile stress area At | — |
| At calc. check (π/4·dm²) | — |
| Material properties & stress goals | |
|---|---|
| Strength class | — |
| Ultimate tensile str. Rm | — |
| Yield strength Rp0.2 | — |
| Applied stress fraction α | — |
| Tensile stress σt | — |
Key results
Tensile stress σt = α × Rp0.2
—
Initial preload Fi = At σt
—
Load at yield F0.2 = At Rp0.2
—
Load reserve Pb = F0.2 − Fi
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