ASTM A335/ASME SA335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Chemical Composition of ASTM A335 P12 Alloy Steel Pipes
| C % | Mn % | P % | S % | Si % | Cr % | Mo % |
| 0.05-0.15 | 0.30-0.61 | 0.025 max | 0.025 max | 0.50 max | 0.8-1.25 | 0.44-0.65 |
Mechanical Properties of ASTM A335 P12 Alloy Steel Pipes
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % |
| 415 min | 220 min | 30 min |