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ASTM A335 P91 Seamless Pipe » is a high-strength, high-temperature alloy steel pipe » designed for use in power plants, refineries, petrochemical industries, and boiler applications. With excellent creep resistance, oxidation resistance, and superior mechanical properties, P91 is a preferred material for high-pressure and high-temperature applications.
Key Features:
High-Temperature & Pressure Resistance: Suitable for steam pipelines, boilers, and heat exchangers.
Superior Strength & Durability: Offers excellent mechanical properties and long service life.
Good Weldability & Fabrication: Can be welded using conventional methods with preheating and post-weld heat treatment.
Oxidation & Corrosion Resistant: Performs well in extreme environments.
Enhanced Creep Resistance: Ideal for long-term exposure to high temperatures.
Technical Specifications:
Standard: ASTM A335 / ASME SA335
Grade: P91
Type: Seamless
Size Range: ½” NB to 24” NB
Thickness: Schedule 10, 20, 40, 80, 160, XXS & Custom
Length: Single Random, Double Random & Cut Length
Manufacturing Process: Hot Finished or Cold Drawn
Heat Treatment: Normalized, Tempered & Quenched
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