France · AFNOR NF
Z 15 CD 5.05 M
NF A32-055
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.19 | |||
| Cr | 4 | 6 | ||
| Mn | 1 | |||
| Mo | 0.4 | 0.7 | ||
| P | 0.03 | |||
| S | 0.03 | |||
| Si | 1 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| castings, Heat treated | ≥420 | 630–780 | ≥16 | ≥24 Charpy V Notch 20℃ |