AISI 420 Stainless Steel Spooled Wire

AISI 420 Stainless Steel Spooled Wire is a martensitic stainless steel wire offering high hardness after heat treatment, good corrosion resistance, and excellent wear resistance. Its high carbon and chromium composition enables superior edge retention and dimensional stability, while the spooled form provides efficient handling and continuous feed in manufacturing and fabrication processes. It is extensively used in welding applications, cutting tool manufacturing, and precision spring production. Specific uses include wire arc additive manufacturing (WAAM) for high-strength components, fabrication of surgical instruments, and production of durable industrial blades. Research has focused on optimizing wire electrical discharge machining (WEDM) parameters, improving corrosion resistance through alloy design, and refining microstructure via controlled deposition in WAAM. With its balance of machinability, performance, and process versatility, AISI 420 spooled wire is a key material for high-performance industrial and scientific applications.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	>12
Modulus of elasticity( GPa )	200
Tensile strength( MPa )	860

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	55
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Melting point( C )	1450
Specific heat( J K⁻¹ kg⁻¹ )	460@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	24.9@100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	10.3@0-100°C