China · YB
45B
YB/T 5132:2007 — Alloy structural steel sheets
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| B | 0.0005 | 0.0035 | ||
| C | 0.42 | 0.49 | ||
| Mn | 0.6 | 0.9 | ||
| Si | 0.17 | 0.37 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Condition not stated | 540–685 | ≥16 |