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 | TP405, S40500 |
Chemistry Composition of ASTM A268/ASME SA268 TP405, S40500
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Ni, % | Al, % |
| 0.08 max | 1.00 max | 0.040 max | 0.030 max | 1.00 max | 11.5-14.5 | 0.50 max | 0.10-0.30 |
Mechanical Properties of ASTM A268/ASME SA268 TP405, S40500
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 415 min | 205 min | 20 min | 207 max |