ASTM B564 N04400 Monel 400 Nickel Alloy Steel Forged Blind Raised Face Flange B16.5

ASTM B564 N04400 nickel alloy steel forged blind raised face flange is a flange manufactured based on nickel copper alloy (Monel 400, UNS N04400), which complies with the B564 standard of the American Society for Testing and Materials (ASTM). This material is known for its excellent corrosion resistance, high strength, and high temperature resistance, and is widely used in pipeline connection systems in extremely corrosive environments.

ASTM B564 specifies the manufacturing requirements for N04400 nickel alloy steel forged flange, covering the chemical composition, mechanical properties, and testing standards of products such as flanges and fittings. Its main chemical components are nickel (Ni) ≥ 63%, copper (Cu) 28-34%, small amounts of iron (Fe), manganese (Mn), carbon (C), etc.

ASTM B564 N04400 Nickel Alloy Steel Flange Chemical Composition

ASTM B564 N04400 Nickel Alloy Steel Flange Key performance advantages

• Excellent corrosion resistance: Performs well in seawater, hydrofluoric acid, sulfuric acid, and alkaline solutions, resisting chloride stress corrosion cracking.
• High strength and toughness: Maintains good mechanical properties from low temperatures to approximately 400°C.
• Weldability and machinability: Can be welded using conventional processes (such as TIG/MIG), with good cold and hot working properties.

ASTM B564 N04400 Nickel Alloy Steel Flange Mechanical Property Requirements

ASTM B564 N04400 Nickel Alloy Steel Flange Application

• Marine Engineering: Seawater pipeline systems, marine pumps, valves, and flanges.

• Chemicals and Petroleum: Hydrofluoric acid alkylation units, sulfuric acid/hydrochloric acid treatment equipment, high chloride ion environments in oil and gas extraction.

• Energy and Environmental Protection: Flue gas desulfurization systems, seawater desalination equipment.