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Grade: Monel® 400
Formula: Ni 65/Cu 33/Fe 2
Form: Rod
Material: Nickel/Copper (Monel®)
Commodity: Alloys
Monel® 400 Rod is a solid nickel-copper alloy rod known for its outstanding corrosion resistance, high mechanical strength, and excellent toughness across a wide temperature spectrum. The rod form provides durability and machinability, making it a preferred choice for precision-engineered components that must perform reliably under extreme marine, chemical, and high-temperature conditions. Industries that heavily rely on Monel® 400 rods include marine engineering, aerospace, and nuclear power systems. They are particularly employed in pump shafts, valve components, and fasteners that demand both mechanical strength and corrosion resistance in seawater or aggressive chemical environments. In research, Monel® 400 rods are extensively studied for their machinability, welding adaptability, and optimization in manufacturing techniques, including electrical discharge machining and drilling with pre-annealing treatments. Their combination of resilience, structural stability, and adaptability in advanced processing methods underscores their importance as a material of choice for scientists and engineers seeking reliable solutions in the most demanding applications.

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%

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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