ASTM A335/ASME SA335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Chemical Composition of ASTM A335 P23 Alloy Steel Pipes
| C % | Mn % | P % | S % | Si % | Cr % | Mo % | V % | Nb % | B % | N % | Al % | W % |
| 0.04-0.10 | 0.1-0.6 | 0.03 max | 0.01 max | 0.5 max | 1.9-2.6 | 0.05-0.30 | 0.20-0.30 | 0.02-0.08 | 0.0005-0.0006 | 0.03 max | 0.03 max | 1.45-1.75 |
Mechanical Properties of ASTM A335 P23 Alloy Steel Pipes
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % |
| 510 min | 400 min | 20 min |