ASTM A335 P91 High Temperature Hot Rolled Tube
GNEE is an ASTM A335 P91 alloy pipe supplier that provides pipes in all surface finishes and cut-to-length pipes in all grades, saving you costs
ASTM A335 P91 seamless pipe is an alloy pipe specified as a ferritic configuration. The material composition mainly includes carbon, manganese, phosphorus, sulfur, silicon, 8% chromium and molybdenum. Because of the higher chromium content ASTM A335 P91 alloy steel pipe has excellent strength and shows enhanced resistance to reduce corrosive media and oxidants in stress-induced devices, which is very suitable for high temperature and high pressure applications.
ASTM A335 P91 hot rolled steel pipe is made by seamless process and is suitable for high temperature applications with excellent strength and good high temperature resistance. Therefore, ASTM A335 P91 seamless hot rolled pipe is mainly used for power generation, natural gas processing equipment, boilers, heaters and reheater pipelines, and most petroleum services.
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ASTM A335 P91 Hot rolled alloy tube Product specification
SA335P91 Boiler Steel Pipe Chemical Material Composition
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V, % | N, % | Ni, % | Al, % | Nb, % |
| 0.08-0.12 | 0.3-0.6 | 0.02 max | 0.01 max | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 max | 0.04 max | 0.06-0.10 |
Mechanical Strength of ASTM A335 Grade P91 Steel Pipe
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 585 min | 415 min | 20 min | 250 max |
ASTM A335 P91High pressure seamless pipe
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