3S144 (S144) Bar

Aerospace stainless steel heat treated to provide extra tensile strength.

S144 is a British aerospace grade, precipitation hardenable stainless steel. It is widely used in the aerospace industry benefiting from a combination of strength and moderate corrosion resistance.

The alloy has an identical chemical composition when compared to S143 but a higher tensile strength is achieved as a result of heat treatment.

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Related Specifications

  • BS S143
  • BS 3S144
  • BS S145
  • FV520B
  • DEFSTAN 95-14

Properties

Chemical Composition

Applications

  • Aerospace components
  • Military components
  • High technology applications
  • Automotive components
  • Industrial bearings
  • Precision parts

Characteristics

  • High strength alloy
  • Heat treated for added tensile strength
  • Identical chemical composition to S143 but greater strength alloy
  • Moderate to good corrosion resistance

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