Canada · CSA
380W
G40.20/G40.21 — General requirements for rolled or welded structural quality steel/Strucrtural quality steel
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.23 | |||
| Mn | 0.5 | 1.5 | ||
| Nb+V | 0.1 | |||
| P | 0.04 | |||
| S | 0.05 | |||
| Si | 0.4 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| hollow sections, rolled, <= 20 mm | ≥380 | 480–650 | ≥21 |