Duplex Stainless Steel Spooled Wire

Duplex Stainless Steel Spooled Wire offers the distinctive benefits of duplex stainless steels—high tensile strength, superior corrosion resistance, and excellent fatigue performance—in a form optimized for continuous feed applications. Its balanced austenitic–ferritic microstructure ensures outstanding resistance to chloride-induced stress corrosion cracking and pitting, while the spooled format enables efficient use in automated manufacturing, welding, and assembly lines. This wire is widely used in marine engineering, chemical processing, and high-performance infrastructure for producing corrosion-resistant springs, reinforcement elements, and tension components. Specific applications include tension compensation devices in electric railway contact networks, marine fasteners, and wire-based sealing systems in desalination and offshore energy facilities. In research, duplex stainless steel wire serves as a model for studying cold-drawing processes, microstructural evolution under strain, and optimization of phase balance for performance in harsh service environments. Its combination of mechanical robustness, corrosion resistance, and production efficiency makes it indispensable in both advanced industry and applied materials science.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Alloys

Mechanical Properties

Element	Value
Hardness - Brinell	290
Elongation at break( % )	<25
Modulus of elasticity( GPa )	200

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	80
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Melting point( C )	1440
Specific heat( J K⁻¹ kg⁻¹ )	500@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	19@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	13.7@20-100°C