ASTM A268/ASME SA268 Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
| Specification | ASTM A268/ASME SA268 Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| Standard | ASTM A268, ASME SA268 |
| Equivalents | |
| Materials | S44735 |
Chemistry Composition of ASTM A268/ASME SA268 S44735
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Ni, % | Mo, % | N, % | Ti+Nb, % |
| 0.03 max | 1.00 max | 0.040 max | 0.030 max | 1.00 max | 28.0-30.0 | 1.00 max | 3.60-4.20 | 0.045 max | 0.20-1.00, & 6(C+N) min |
Mechanical Properties of ASTM A268/ASME SA268 S44735
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % |
| 515 min | 415 min | 18 min |