Compare / A1085 vs S355J2H
A1085 vs S355J2H
ASTM A1085/A1085M · Steel
US HSS with a yield cap: 50–70 ksi (345–483 MPa), 65 ksi (450 MPa) tensile, same for round and shaped.
EN 10219-1 · Steel
Cold-formed welded hollow sections (SHS, RHS, CHS): 355 MPa yield, 470–630 MPa tensile, 27 J at −20 °C.
Approximate345 MPa (50 ksi) yield with a 70 ksi cap, 450 MPa tensile, tighter wall tolerance; designed for seismic and full-thickness design.
Mechanical
| Property | Condition | A1085 | S355J2H | Difference |
|---|---|---|---|---|
| Yield strength ReH | t = 16 mm | 345–483MPa1 | ≥ 355MPa2 | +2.9 % |
| Tensile strength Rm | t = 3 mm | ≥ 450MPa1 | 510–680MPa2 | +13 % |
| t = 40 mm | ≥ 450MPa1 | 470–630MPa3 | +4.4 % | |
| Elongation after fracture A | — | ≥ 21%1 | ≥ 20%2 | −4.8 % |
Rows are matched by condition (thickness band, temperature, product form). A dash means the grade has no sourced value for that condition. Differences are S355J2H relative to A1085; for ranges the lower bound is compared.