Steel castings
ASTM A216 WCB — chemistry & properties
ASTM A216 WCB (Steel castings, UNS J03002): chemical composition and mechanical properties. Cast carbon-steel valve bodies, flanges & fittings
Chemical composition (wt %)
| C | ≤ 0.3 |
| Mn | may rise 0.04 % per 0.01 % C below max, to 1.28 % |
| P | ≤ 0.035 |
| S | ≤ 0.035 |
| Si | ≤ 0.6 |
| Cr | ≤ 0.5 |
| Ni | ≤ 0.5 |
| Mo | ≤ 0.2 |
| Cu | ≤ 0.3 |
Mechanical properties
| Tensile strength, min | 485 MPa |
| Yield strength, min | 250 MPa |
| Elongation, min | 22 % |
| Hardness | Not specified |