France · AFNOR NF
Z 6 CN 18-09
NF A36-209
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.08 | ||
| Cr | 17 | 19 | ||
| Mn | 2 | |||
| Ni | 8 | 10 | ||
| P | 0.04 | |||
| S | 0.015 | |||
| Si | 0.75 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Plates, annealed | ≥215 | 540–740 | ≥45 | ≥60 Charpy U Notch |