Seamless pipe
ASTM A335 P2 — chemistry & properties
ASTM A335 P2 (Seamless pipe, UNS K11547): chemical composition and mechanical properties. ½Cr-½Mo high-temperature piping
Chemical composition (wt %)
| C | 0.1 – 0.2 |
| Mn | 0.3 – 0.61 |
| P | ≤ 0.025 |
| S | ≤ 0.025 |
| Si | 0.1 – 0.3 |
| Cr | 0.5 – 0.81 |
| Mo | 0.44 – 0.65 |
Mechanical properties
| Tensile strength, min | 380 MPa |
| Yield strength, min | 205 MPa |
| Elongation, min | 30 % |
| Hardness | Not specified |