Monel 400 alloy (UNS N04400 or MCu-28-1.5-1.8 or Ni68Cu28Fe) is a nickel-based alloy material with good corrosion resistance in seawater, chemical solvents, ammonia, sulfur, chlorine, hydrogen chloride, various acidic media such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, organic acids, alkaline media, salt and molten salt. Monel 400 is mainly used in the fields of chemistry, petrochemical industry and marine development. It can be used to manufacture various heat exchange equipment, boiler feed water heaters, petroleum and chemical pipelines, containers, towers, tanks, valves, pumps, reactors, shafts, etc.

‌Socket welding and Threaded union‌ is a pipe connector, mainly used to connect pipes through socket welding. Its basic structure includes a socket, a socket and a socket groove. The socket and socket are located at both ends respectively, and the socket is provided with a socket groove.Manufacturing standards and application scenarios.The manufacturing standards for socket weld unions mainly include ASME B16.11 and MSS SP 83. It is widely used in pipes of different diameters, and is especially suitable for the connection of water meters, valves and other equipment. Because it adopts a socket structure, it is very convenient to install, use and maintain, and it also has high leakage resistance.

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