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AISI 321 Stainless Steel Spooled Wire

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Properties common to all products in this list

Commodity: Alloys Material: Stainless Steel Form: Wire Composition: Fe/Cr18/Ni 9/Ti Grade: AISI 321 UNS Number: S32100 Temper: Annealed
AISI 321 Stainless Steel Spooled Wire is a titanium-stabilized austenitic alloy designed to resist intergranular corrosion, oxidation, and creep under high-temperature service. Supplied on spools, it offers consistent diameter, surface finish, and mechanical integrity, enabling precise automated feeding in manufacturing and assembly processes. It is widely used in aerospace, chemical processing, automotive, and marine sectors, where high strength and corrosion resistance must be combined with formability and welding performance. Specific applications include spring manufacturing, thermal sensor leads, and woven wire fabrics for high-temperature filtration. In research, this wire format is employed in additive manufacturing studies, corrosion mechanism investigations, and high-cycle fatigue testing, particularly under thermal cycling. Its ability to maintain structural integrity, resist scaling, and provide stable mechanical performance under demanding conditions ensures continued value in both advanced industrial processes and scientific experimentation.
Starting at $334.00 each
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Material Properties

Mechanical Properties
Element Value
Hardness - Brinell 160-190
Elongation at break( % ) <60
Modulus of elasticity( GPa ) 190-210
Izod impact strength( J m⁻¹ ) 20-136
Tensile strength( MPa ) 560
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70-73
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Maximum use temperature in air( C ) 800
Melting point( C ) 1400-1425
Thermal conductivity( W m⁻¹ K⁻¹ ) 16.3@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 18@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.9
each

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Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Stainless Steel Form: Wire Composition: Fe/Cr18/Ni 9/Ti Grade: AISI 321 UNS Number: S32100 Temper: Annealed

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%