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AK Steel Martensitic Stainless Steel 420

 

Subcategory: T 400 Series Stainless Steel; Stainless Steel; Metal; Martensitic

Close Analogs: Iron content calculated as remainder

Material Notes:
AK Steel 420 provides corrosion resistance similar to Type 410 martensitic stainless steel plus increased strength and hardness. It is magnetic in both the annealed and hardened conditions. Maximum corrosion resistance is attained only in the fully hardened of fully hardened and stress relieved condition. It is never used in the annealed condition. Typical uses include cutlery, surgical and dental instruments, scissors, tapes and straight edges. The alloy is not normally used at temperatures exceeding 800°F due to rapid softening and loss of corrosion resistance.

Information provided by AK Steel

Available Properties
  • Density
  • Hardness, Rockwell B
  • Hardness, Rockwell C
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Modulus of Elasticity
  • Electrical Resistivity
  • CTE, linear 20°C
  • Specific Heat Capacity
  • Thermal Conductivity
   
Property Data

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