About Alloy
Monel 404 (UNS N04404 / W.Nr. 2.4867) is a nickel-copper alloy which is used primarily in electrical and electronic application. Similar to Monel 401, the chemical composition of Monel 404 is carefully adjusted to provide a very low curie temperature, low permeability, and good brazing characteristics. Monel 404 has low magnetic permeability and low Curie temperature. Because its low magnetic permeability is not significantly affected by processing and fabrication, it is particularly suitable for electronic parts.
Product Form
Rod, Bar, Wire and Forgings: ASTM B164, ASME SB164, DIN 17752
Plate, Sheet and Strip: DIN 17750
Pipe and Tube: DIN 17751
Chemical Composition
| Alloy | C | Si | Mn | P | S | Ni | Cu | Al | Fe |
| Monel 404 | ≤0.15 | ≤0.10 | ≤0.10 | ≤0.020 | ≤0.030 | 52.0-57.0 | Bal | ≤0.05 | ≤0.50 |
Property
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HRB |
| 8.91 | 1300-1350 | 550 | 185 | 36 | / |
Application
Electronic and electrical devices
Marine fixtures
Chemical processing equipment
Gasoline tanks
Boiler feed water heaters
Heat exchangers
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