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AISI 420 Stainless Steel Rod

Available Configurations

Properties common to all products in this list

Grade: AISI 420 Composition: Fe 86.7/Cr 13.0/C 0.3 Form: Rod Material: Stainless Steel UNS Number: S42000 Commodity: Alloys Diameter: 9.5mm
AISI 420 Stainless Steel Rod is a high-carbon martensitic stainless steel providing exceptional hardness, strength, and wear resistance after heat treatment, alongside moderate corrosion resistance in less aggressive environments. Its rod form offers excellent machinability for precision engineering, making it widely used in aerospace, automotive, tooling, and medical device industries. Typical applications include high-strength shafts, pump components, surgical tools, and wear-resistant fixtures. Research focuses on improving its surface finish through optimized machining parameters, enhancing corrosion resistance with advanced surface treatments, and refining heat treatment protocols to balance hardness and toughness. Additive manufacturing studies also explore rod-based feedstock for custom parts requiring complex geometries and high mechanical performance. This combination of structural integrity, adaptability, and durability under demanding service conditions underscores its value in both heavy industry and advanced manufacturing.
Starting at $233.00 each
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Material Properties

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
Physical Properties
Element Value
Density( gcm⁻³ ) 7.8
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Available Configurations

Properties common to all products in this list

Grade: AISI 420 Composition: Fe 86.7/Cr 13.0/C 0.3 Form: Rod Material: Stainless Steel UNS Number: S42000 Commodity: Alloys Diameter: 9.5mm

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Tolerances

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