Alloy steel castings
ASTM A217 WC1 — chemistry & properties
ASTM A217 WC1 (Alloy steel castings, UNS J12524): chemical composition and mechanical properties. Carbon-moly valve bodies
Chemical composition (wt %)
| C | ≤ 0.25 |
| Mn | 0.5 – 0.8 |
| P | ≤ 0.04 |
| S | ≤ 0.045 |
| Si | ≤ 0.6 |
| Mo | 0.45 – 0.65 |
Mechanical properties
| Tensile strength, min | 450 MPa |
| Yield strength, min | 240 MPa |
| Elongation, min | 24 % |
| Hardness | Not specified |