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Tianjin Sanon Steel Pipe Co., Ltd. is a stockist. Our stock factory is in Cangzhou City, Hebei Province. Our main sources of goods are boiler pipes, and the representative materials are ASTM A335 P5/P11/P91/P92, ASME SA-106/SA-106M GR.B, GB/T 3087-2008 10#/20#. The representative materials of pipeline pipes are API 5L, API 5CT, the representative materials of petroleum cracking pipes GB/T 9948 are 15MoG/12CrMoVG. GB/T 6479-2013 represents the material 10#/20#, heat exchanger tubes SA179/SA210/SA192, etc., mechanical tubes GB/T 8162 represent the material 10#/20#/Q345/42CrMo, EN10210 represents the material S355JOH/S355J2H, gas cylinder tubes GB1 8248, represent the material 34CrMo4/30CrMo.
For power plants and smelters in India and Thailand, high-temperature and high-pressure applications demand materials with proven creep strength and oxidation resistance. ASTM A335 P22 (2.25Cr-1Mo) chrome-molybdenum alloy steel pipe is a reliable, industry-proven solution for steam lines, headers, superheaters, and high-temperature process piping.
Key heavy wall sizes available for plant projects:
273mm × 45mm
323.8mm × 50mm
323.8mm × 45mm
Other heavy wall sizes (wall thickness ≥40mm) available on request
Typical Applications:
Main steam and reheat lines in power plants
Boiler headers and collector pipes
High-temperature process lines in smelters
Heat recovery systems
Specification Standards:
Standard: ASTM A335 / ASME SA335
Grade: P22 (2.25Cr-1Mo)
Process: Hot rolled / cold drawn – heavy wall
Heat Treatment: Normalized + Tempered (N+T)
Inspection: EN 10204 3.1 certificate available; UT optional
Why A335 P22 for India & Thailand?
Full material traceability for international project requirements
Proven experience in heavy wall (≥40mm) for high-pressure service
Fixed lengths available (6–12m) as per project needs
CFR / CIF quotes available to major ports:
– India: Nhava Sheva, Mumbai, Chennai
– Thailand: Laem Chabang, Bangkok
Request a Quote:
Please advise size, quantity, destination port, and a brief description of your application. We will reply with competitive pricing and technical support.
Post time: Apr-24-2026
