440A Stainless Steel | 440a Stainless

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Industries

  • Cutlery
  • Manufacturing
  • Medical

Industry Names

  • 440A Stainless Steel
  • 440A Stainless

Material

  • Stainless Steel

Specifications

  • UNS S44002

Applications

  • Aircraft Structural Parts
  • Bearings
  • Medical Instruments
  • Molds
  • Turbine Components

Features

  • Corrosion Resistance
  • Magnetic
  • Martensitic

440A Stainless Steel combines the superior corrosion resistance of chromium stainless steels with the excellent wear resistance of high carbon alloys. Cutlery is a major use of 440A. This grade of stainless steel is not easily blanked due to its higher strength and hardness, therefore, a more powerful press could be required to blank parts. Looking for more information on 440A? Check out our latest video on the 400 series martensitic stainless steels here.


Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Metal Properties
PropertyValue
.2% Yield Strength 60-239 ksi
Elongation 5-20 %
Ultimate Tensile Strength 105-260 ksi
Chemical Composition
ElementMinMax
C- .68
Cr- 17.0
Fe- 79.57
Mn- 1.00
Mo- .75
Si- 1.00
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