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Grade: Monel® 400
Formula: Ni 65/Cu 33/Fe 2
Form: Wire
Material: Nickel/Copper (Monel®)
Commodity: Alloys
Diameter: 1mm
Temper: Annealed
Monel® 400 Straight Wire is a nickel-copper alloy wire renowned for its outstanding resistance to seawater, acids, and alkalis, while also maintaining excellent mechanical toughness across a broad temperature range. The straight wire form ensures precision, dimensional stability, and ease of integration into fabrication processes, making it highly valuable in electrical, marine, and aerospace industries. Its primary applications include use in electrical leads and connectors, marine fasteners, and structural components requiring both conductivity and corrosion resistance. More specifically, Monel® 400 straight wires are used in high-performance electrical discharge machining (EDM), bimetallic additive manufacturing, and aerospace rocket frame fabrication where reliability and machinability are crucial. Researchers are particularly focused on optimizing machining techniques such as wire electrical discharge machining (WEDM) for Monel 400 wires, advancing both process efficiency and material performance. The combination of high durability, superior corrosion resistance, and adaptability in precision applications secures Monel® 400 Straight Wire as a critical alloy for both scientific advancements and demanding industrial implementations.

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 125-190
Elongation at break( % ) <40
Modulus of elasticity( GPa ) 185
Izod impact strength( J m⁻¹ ) 110-140
Tensile strength( MPa ) 550-950
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 48-51
Temperature coefficient( K⁻¹ ) 0.0019
Thermal Properties
Element Value
Maximum use temperature in air( C ) 450
Melting point( C ) 1300-1350
Thermal conductivity( W m⁻¹ K⁻¹ ) 21.7@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13.9-14.1@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.84

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