ASTM A249 TP316H welded stainless steel pipe specification for welded austenitic steel boiler,superheater,heat-exchanger, and condenser tubes.
ASTM A249 TP316H chemical composition
| Grade | C | Mn | P | S | Si | Cr |
| TP316H | 0.04-0.1 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 |
ASTM A249 TP316H tensile and hardness requirements
| Grade | UNS | Tensile strength min,ksi mpa | Yield strength min,ksi mpa | Elongation in 2in.or 50mm min% | Rockwell hardness number,max |
| TP316H | S31609 | 75[515] | 30[205] | 35 | B90 |
ASTM A249 TP316H heat treatment requirements
| Grade | UNS | Solutioning temperature,min or range |
| TP316H | S31609 | 1900oF[1040oC] |
Grade TP304H,TP309H,TP309HCb,TP310H,TP310HCb,TP316H, TP321H,TP347H and TP348H are modifications of grade TP304, TP309S,TP309Cb,TP310S,TP310Cb,TP316,TP321,TP347 and TP348 and are intened for high-temperature service such as superheaters and reheaters.
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