ASTM A249/ASME SA249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Chemical Composition of ASTM A249 TP304L Stainless Steel Pipes
| C % | Mn % | P % | S % | Si % | Cr % | Ni % |
| 0.035 max | 2.00 max | 0.040 max | 0.030 max | 1.00 max | 18.0-20.0 | 8.0-12.0 |
Mechanical Properties of ASTM A249 TP304L Stainless Steel Pipes
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 485 min | 170 min | 35 min | 90 max |