France · AFNOR NF
23 D 5
NF A35-566
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.02 | |||
| C | 0.2 | 0.26 | ||
| Mn | 0.5 | 0.8 | ||
| Mo | 0.45 | 0.6 | ||
| P | 0.03 | |||
| S | 0.025 | |||
| Si | 0.1 | 0.35 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| bars, wire, quenched and tempered, <= 16 mm, steel bars | 1125 | 1130 | 9 | 50 |