Low-temperature steel castings
ASTM A352 LCB — chemistry & properties
ASTM A352 LCB (Low-temperature steel castings, UNS J03003): chemical composition and mechanical properties. Valve bodies for −46 °C service
Chemical composition (wt %)
| C | ≤ 0.3 |
| Mn | ≤ 1 |
| P | ≤ 0.04 |
| S | ≤ 0.045 |
| Si | ≤ 0.6 |
Mechanical properties
| Tensile strength, min | 450 MPa |
| Yield strength, min | 240 MPa |
| Elongation, min | 24 % |
| Hardness | Not specified |
| Impact test | −46 °C (18 J avg) |