Compare / Q235 vs S235
Q235 vs S235
GB/T 700 · Steel
China's general structural steel: 235 MPa yield up to 16 mm, 370–500 MPa tensile, 27 J at +20 °C (B).
EN 10025-2:2019 · Steel
Mild structural steel: 235 MPa minimum yield up to 16 mm, 360–510 MPa tensile.
Close matchSame yield steps (235/225/215 MPa) and impact qualities; tensile 370–500 MPa vs 360–510.
Mechanical
| Property | Condition | Q235 | S235 | Difference |
|---|---|---|---|---|
| Yield strength ReH | t = 16 mm | ≥ 235MPa— | ≥ 235MPa2 | same |
| t = 40 mm | ≥ 225MPa— | ≥ 225MPa2 | same | |
| t = 60 mm | ≥ 215MPa— | ≥ 215MPa1 | same | |
| t = 100 mm | ≥ 215MPa— | ≥ 215MPa1 | same | |
| Tensile strength Rm | t = 3 mm | 370–500MPa— | 360–510MPa1 | −2.7 % |
| t = 100 mm | 370–500MPa— | 360–510MPa2 | −2.7 % | |
| t = 150 mm | 370–500MPa— | 350–500MPa1 | −5.4 % | |
| t = 250 mm | 370–500MPa— | 340–490MPa1 | −8.1 % | |
| t = 400 mm | 370–500MPa— | 330–480MPa1 | −11 % |
Rows are matched by condition (thickness band, temperature, product form). A dash means the grade has no sourced value for that condition. Differences are S235 relative to Q235; for ranges the lower bound is compared.