Compare / F3125 Grade A490 vs Property class 10.9
F3125 Grade A490 vs Property class 10.9
ASTM F3125/F3125M · Steel
US high-strength structural bolt: 150–173 ksi (1034–1193 MPa) tensile, 130 ksi (896 MPa) yield.
ISO 898-1 · Steel
High-strength structural bolt for preloaded joints: 1000 MPa tensile, 900 MPa yield (nominal).
Close match150–173 ksi (1034–1193 MPa) tensile, 130 ksi (896 MPa) yield; inch threads.
Mechanical
| Property | Condition | F3125 Grade A490 | Property class 10.9 | Difference |
|---|---|---|---|---|
| Yield strength ReH | — | ≥ 896MPa2 | ≥ 940MPa1 | +4.9 % |
| Tensile strength Rm | — | 1 034–1 193MPa2 | ≥ 1 040MPa1 | +0.6 % |
Rows are matched by condition (thickness band, temperature, product form). A dash means the grade has no sourced value for that condition. Differences are Property class 10.9 relative to F3125 Grade A490; for ranges the lower bound is compared.