France · AFNOR NF
Z 4 CN 19-10
NF A36-209
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.035 | |||
| Cr | 18.5 | 20 | ||
| Cu | 1 | |||
| Mn | 2 | |||
| N | 0.08 | |||
| Ni | 9 | 10 | ||
| P | 0.04 | |||
| S | 0.03 | |||
| Si | 1 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Plates, annealed | ≥220 | 520–720 | ≥45 | ≥60 Charpy U Notch |