Alloy steel pipe fittings are components used to connect, control, and direct piping systems made from alloy steel, which contains additional elements like chromium, nickel, molybdenum, or vanadium to enhance strength, corrosion resistance, and temperature tolerance. These fittings are stronger and more durable than standard carbon steel fittings, making them ideal for high-pressure, high-temperature, and corrosive environments.
Common types include elbows (for directional changes), tees (for splitting or combining flow), reducers (for connecting pipes of different sizes), caps (to seal pipe ends), and flanges (for connecting pipes or equipment). They are widely used in industries like oil and gas, power generation, chemical processing, and aerospace, where performance under extreme conditions is critical.
Alloy steel fittings are manufactured to standards such as ASME B16.9 (for buttwelding fittings) and ASTM A234 (for moderate to high-temperature service). Popular grades include WP5, WP9, WP11, WP22, and WP91, each suited for specific applications. Their durability, strength, and resistance to corrosion and high temperatures make them essential for demanding industrial applications.
Standard： ASTM / ASME A/SA 234
Size 1/8” NB TO 48” NB.
Dimensions： ANSI/ASME B16.9, B16.28, MSS-SP-43
Grade： ASTM A 234 WP - P5, P9, P11, P12, P21, P22 & P91
Thickness： SCH: 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS, Custom Thickness.
Type： Seamless / Welded / Fabricated
Oil and Gas Industry
Alloy steel fittings are crucial in oil and gas pipelines, refineries, and offshore drilling rigs. They handle high pressures and temperatures while resisting corrosion.
Petrochemical Industry
These fittings are essential for high-pressure and high-temperature fluid operations, ensuring reliable and safe transport of chemicals.
Power Generation
In power plants, alloy steel fittings are used in high-pressure steam systems, boilers, and superheaters. They withstand extreme temperatures and pressures.
Chemical Processing Plants
Alloy steel fittings resist corrosive chemicals, making them ideal for use in chemical processing plants.
Marine and Offshore
Due to their high corrosion resistance, alloy steel fittings are used in shipbuilding and offshore platforms.
Construction and Infrastructure
Alloy steel fittings are used in structural frameworks, bridges, and heavy-duty machinery, providing durability and structural integrity.
Automotive and Aerospace
In automotive manufacturing, alloy steel fittings are used in components like exhaust systems and suspension systems. In aerospace, they are used in engine parts and structural components.
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