AMS 17-4PH, 1.4542, X5CrNiCuNb16-4
Stainless precipitation hardened steel 17-4PH, 17-4 PH, 1 4542, X5CrNiCuNb17-4-4, AISI 630, UNS S17400 according to EN 10088-1, ASTM A564
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.07 | |||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| Cr | 15.00 | 17.50 | ||
| Ni | 3.00 | 5.00 | ||
| Cu | 3.00 | 5.00 | ||
| Nb | 0.15 | 1.45 |
