MONEL 400 (UNS N04400)

A Ni-Cu alloy with high strength and excellent resistance to a range of media including seawater, dilute hydrofluoric and sulfuric acids, and alkalies. Used in

marine and offshore engineering, salt production, feed water heaters, and chemical and hydrocarbon processing.

Chemical composition

Ni: 63.0 min Si: 0.5 max Cu: 28.0-34.0 S: 0.024 max

Fe: 2.5 max Mn: 2.0 max C: 0.3 max

Specification

Bar, Rod, Wire: ASTM B 164, SAE AMS 4675 Forging : ASTM B 564, SAE AMS 4675

Pipe & Tube: ASTM B 163, 165, 725, 730, 751, 775, 829, SAE AMS 4574

Plate, Sheet , Strip: ASTM B 127, SAE AMS 4544

Other: ASTM B 366

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