Monel 401

Catalog : Monel alloy 401

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Monel 401

MONEL ® nickel-copper alloy 401 (UNS N04401) is used primarily in specialized electrical and electronic applications.
The composition of MONEL alloy 401 is shown in Table 1. Some typical constants and properties are given in Table 2. Alloy 401 is readily autogenously welded, in the thin sections in which it is most often used, by the gas-tungsten-arc process. Resistance welding is a very satisfactory method for joining the material It also exhibits good brazing characteristics.

%Chemical Composition

Si S Co Fe Mn C Ni Cu
(max) 0.25 (max) 0.015 (max) 0.25 (max) 0.75 (max) 2.25 (max) 0.1 45 – 40 Balance

Density & Melting Point

Melting Point (Celsius) Density
1280 (g/cm) 8.91

Mechanical Properties

Hardness (Rb) % Elongation Yield Strength (MPa) Tensile Strength (MPa)
43 51 134 441


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