AMS C250, 250, UNS K92890, 1.6359, Alloy 250
C250 is used for missile and ejector systems, slat tracks and drive shafts
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | |||
| Si | 0.10 | |||
| Mn | 0.10 | |||
| P | 0.010 | |||
| S | 0.010 | |||
| Cr | 0.50 | |||
| Ni | 17.00 | 19.00 | ||
| Co | 7.00 | 8.50 | ||
| Al | 0.05 | 0.15 | ||
| Mo | 4.60 | 5.20 | ||
| Ti | 0.30 | 0.50 | ||
| Cu | 0.50 | |||
| Fe | Bal |
