Compare / SD390 vs B500A
SD390 vs B500A
JIS G 3112 · Steel
Japanese deformed bar: yield 390–510 MPa, tensile ≥ 560 MPa, yield ratio ≤ 80 %.
BS 4449:2005+A3:2016 · Steel
Weldable rebar, ductility class A: 500 MPa characteristic yield, Rm/Re ≥ 1.05, Agt ≥ 2.5 %.
Mechanical
| Property | Condition | SD390 | B500A | Difference |
|---|---|---|---|---|
| Yield strength ReH | — | 390–510MPa1 | ≥ 500MPa2 | +28 % |
Rows are matched by condition (thickness band, temperature, product form). A dash means the grade has no sourced value for that condition. Differences are B500A relative to SD390; for ranges the lower bound is compared.