European Union · EN
NiCr22Mo9Nb
EN 4379:2007 — EN 4379
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.4 | |||
| C | 0.1 | |||
| Co | 1 | |||
| Cr | 20 | 23 | ||
| Fe | 5 | |||
| Mn | 0.5 | |||
| Mo | 8 | 10 | ||
| Nb+Ta | 3.15 | 4.15 | ||
| Ni | Bal | Bal | ||
| P | 0.015 | |||
| S | 0.015 | |||
| Si | 0.5 | |||
| Ti | 0.4 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| forgings, Solution treated, 100 < d <= 200 mm +D - diametar | ≥340 | ≥760 | ≥30 | HB ≤290 | ||
| forgings +C, d <= 100 mm +D - diametar | ≥410 | ≥830 | ≥30 | HB ≤290 |