flange steels

LF-2 Flange Steel is a low-temperature carbon steel forging material manufactured under ASTM International ASTM A350 LF2 specifications. It is specially designed for flanges, fittings, valves, and forged components used in low-temperature and pressure applications where toughness and impact resistance are critical. ASTM A350 LF2 is widely used in oil & gas, petrochemical, power generation, and cryogenic service applications due to its excellent notch toughness and reliable mechanical properties at sub-zero temperatures.

F5 / P5 Flange Steels are chromium-molybdenum alloy steels designed for elevated temperature and high-pressure service conditions. Under ASTM International specifications, F5 generally refers to forged alloy steel flanges (ASTM A182 F5), while P5 refers to alloy steel pipes and pressure components used in high-temperature industrial systems. F5/P5 steels are known for their excellent oxidation resistance, thermal stability, creep strength, and long service life in severe operating environments.

F11 / P11 Flange Steels are chromium-molybdenum alloy steels specifically developed for high-temperature and pressure applications in power plants, refineries, petrochemical plants, and industrial process systems. Under ASTM International specifications, F11 generally refers to forged alloy steel flanges (ASTM A182 F11), while P11 refers to alloy steel pipes and pressure components used in elevated temperature service. These alloy steels are widely valued for their excellent mechanical strength, creep resistance, and long-term thermal stability.

F12 / P12 Flange Steels are chromium-molybdenum alloy steels designed for high-temperature and pressure applications in power generation, petrochemical, and process industries. Under ASTM International specifications, F12 typically refers to forged alloy steel flanges (ASTM A182 F12), while P12 generally refers to alloy steel pipes or pressure components used in elevated temperature service. These alloy steels provide excellent thermal stability, oxidation resistance, and mechanical strength in demanding operating conditions.

F22 / P22 Flange Steels are chromium-molybdenum alloy steels widely used in high-temperature and high-pressure industrial applications. These materials are commonly specified under ASTM International standards, where F22 generally refers to forged components such as flanges (ASTM A182 F22), and P22 refers to pipes and plates used in pressure systems. F22/P22 steels are known for their excellent high-temperature strength, creep resistance, oxidation resistance, and long-term durability in critical service conditions.

Flange Steel has been used in a variety of industries, including oil & gas production & refining; petrochemical processing; power generation; automotive manufacturing & repair; aerospace components; nuclear fuel cycle components; pressure vessels & piping systems; valves & fittings; fasteners & flanges; turbine blades; compressor parts & more!