ASTM A312/ASME SA312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
| Standard | ASTM A312, ASME SA312 |
| Equivalent Standards | EN 10216-5, DIN 17458, GOST 9941-81, GOST 9940-81, ASME SA213, ASTM A213, DIN 17456 |
| Material | TP347H, S34709 |
Chemical Composition of ASTM A312 TP347H Stainless Steel Pipes
| C % | Si % | Mn % | P % | S % | Cr % | Ni % | Nb % |
| 0.04-0.10 | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 17.0-19.0 | 9.00-13.0 | 8*C-1.0 |
Mechanical Properties of ASTM A312 TP347H Stainless Steel Pipes
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % |
| 515 min | 205 min | 35 min |