AMS 4574 is a specification for Monel 400, or in generic form, alloy 400. The UNS designation is N04400.
The nominal composition is 67% Nickel and 31% Copper. Typical applications include corrosion resistant fittings and parts that require moderate strength or forming during fabrication.
Applicable material is in the form of Seamless Tubing and material is in the cold worked and annealed condition. Tensile strength is 85,000 psi max and don’t forget, CHECK THE SPECS !!

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