470+

Customers
Served

500,000+

Parts
Manufactured

20+

Countries
Shipped

520+

Manufacturing
Partners

Properties of Stainless Steel 420


Ultimate tensile strength (MPa) 485-750
Yield strength (MPa) 275-380
Young's modulus (modulus of elasticity) (GPa) 190-205
Elongation at break(%) 15-20
Fatigue Strength (MPa) 275
Hardness (Brinell) 180-290 HB
Density (g/cm³) 7.8
Corrosion resistance Moderate


Weldability Excellent
Maximum service temperature(°C) 144-194
Thermal expansion coefficent (10-6/ºC) 9-11
Thermal conductivity (W/(m⋅°C)) 23-27
Electrical resistivity (μΩ.cm) 49-60
Post-Processing Annealing
Anodizing compatibility Not Suitable
Magnetism Magnetic

Available Finishes

stainless-steel-420-surface-finish-services-clarwe

Clarwe provides a wide range ofsurface finishes through its stainless steelCNC machining service, designed to elevate the quality of each machined component. Each finish is specifically chosen to improve both the mechanical characteristics and the visual appeal of thestainless steel parts.

Industries specialized

Custom aerospace parts manufacturing services by Clarwe for high-precision and critical components

Aerospace

AS9100-certified flight-critical parts: CNC machining, sheet metal & tubing for turbines, mounts & actuators

Custom automotive parts manufacturing services by Clarwe for prototyping and low-volume production

Automotive

IATF 16945-compliant EV, drivetrain & sensor solutions: CNC, injection molding & urethane casting

Industrial parts manufacturing services by Clarwe for custom equipment, machinery, and low-volume production

Consumer Products

Scale from 1 to 1M+ consumer product units with full QA ownership and compliance

Medical parts manufacturing by Clarwe for custom healthcare components and precision prototyping

Medical

ISO 13485-certified surgical tools & implants: Precision CNC, cleanroom molding & biocompatible casting




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