France · AFNOR NF
3 C 22
NF A37-401
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.17 | 0.24 | ||
| Mn | 0.4 | 0.7 | ||
| P | 0.035 | |||
| S | 0.02 | 0.04 | ||
| Si | 0.4 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| bars, round bars, , <= 40 mm | ≤245 | ≤380 | ≤23 |