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  • Alloy
420

Stainless 420 Product Guide

Applications | Stainless 420 Specifications | Mechanical and Chemical Data | Tolerances

Overview

Stainless 420 possesses similar qualities to the 420 grade, but provides improved hardness and strength when heat treated. Best suited for applications that require mild corrosion resistance, heat resistance, and excellent strength. Typically used in shear blades, needle valves, surgical equipment, cutlery, bearings, bushings, fasteners, screens, mine ladder rungs, pumps shafts, valve components, turbines, steam and gas applications.

 

Common Trade Names

UNS S42000, AISI 420, Alloy 420, Ruetom Special 420 SS, martensitic stainless steel

 

 

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Purchase Rectangle Bar 420 | Round Bar 420 | Square Bar 420

Applications

  • Shear Blades
  • Needle Valves
  • Surgical Equipment
  • Cutlery
  • Bearings
  • Bushings
  • Fasteners
  • Screens
  • Ladder Rungs
  • Pump Shafts
  • Valve Components
  • Turbines
  • Steam/Gas Applications

Stainless 420 Specifications

 

ASTM

AMS

A176 5506



Mechanical Information
 
Density
Ultimate Tensile Strength
Yield Tensile Strength
Modulus of Elasticity
Imperial 0.282 lb/in3 293,700 psi 197,000 psi 29,000 ksi
Metric 7.8 g/cc 2,025 MPa 1,360 MPa 200 GPa


Mechanical Information
 
Hardness Rockwell/Brinell
Melting Point
Elongation at break percentage
Shear Modulus
Imperial C57 2,651-2,750 F 45 11,700 ksi
Metric 594 1,455-1,510 C 2.5-36 80.7 GPa


Chemistry Information
Element
Percentage
C 0.46
Mn 0.4
Si 0.4
Fe 85.44
Cr 13
V 0.3
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