Monel® 400 Spooled Wire

Monel® 400 spooled wire (Ni65Cu33Fe2) plays an important role in advanced industrial and scientific applications. Its exceptional ductility, strength and resistance to corrosion in harsh environments, even at subzero temperatures, make it suitable for marine engineering, chemical processing, oil and gas systems, chemical processing, and heat exchanger components. In spooled wire form, Monel 400 is particularly suited for welding electrodes, springs, fasteners, and sensors where continuous feed and form stability are essential. It is a material of choice in environments where chloride stress corrosion cracking and localized pitting must be avoided. Research on its weldability and resistance to microbial-induced corrosion confirms its durability in extreme marine and petrochemical contexts. Monel 400’s consistent microstructure and ability to withstand mechanical and chemical stresses have cemented its value in both applied engineering and metallurgical research.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

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