France · AFNOR NF
FE-CM3801
NF EN 4216
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | |||
| Cr | 15.5 | 16.7 | ||
| Cu | 2.8 | 3.5 | ||
| Mn | 0.7 | |||
| N | 0.05 | N2 | ||
| Nb+Ta | 0.15 | 0.4 | ||
| Ni | 3.6 | 4.6 | ||
| P | 0.04 | |||
| S | 0.03 | |||
| Si | 0.5 | 1 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Investment castings, , solution treated , <= 25 mm | ≥30 | ≥900 | ≥8；≥6 | HR ≥30 HRC |