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Carpenter Custom 455® Stainless Steel, Condition H950 (Age Hardened 510°C)

 

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

Key Words: UNS S45500; Carpenter Technology Corporation, Carpenter Steel Division; Cartech

Material Notes:
Iron content calculated as remainder. Data provided by Carpenter Technology Corporation.

Recognizing the need for high-strength alloys with good corrosion resistance to atmospheric environments, the Carpenter Research Laboratory developed Custom 455® stainless, a martensitic age-hardenable stainless steel. This alloy is relatively soft and formable in the annealed condition. A single-step aging treatment develops exceptionally high yield strength with good ductility and toughness. This stainless can be machined in the annealed condition, and welded in much the same manner as other precipitation hardenable stainless steels. Because of its low work-hardening rate, it can be extensively cold formed. The dimensional change during hardening is only about -0.001 in/in, which permits close-tolerance finish machining in the annealed state. Custom 455 stainless represents a significant advancement in the area of precipitation hardening stainless steels. It should be considered where simplicity of heat treatment, ease of fabrication, high strength and corrosion resistance are required in combination.

Because of the unique combination of high strength and corrosion resistance of Custom 455 stainless there are few other alloys available for consideration. Carpenter PH13-8 Mo can be considered where good transverse toughness and ductility are necessary in large sections.

Custom 455® is a registered trademark of Carpenter Technology Corporation.

Available Properties
  • Density
  • Hardness, Brinell
  • Hardness, Knoop
  • Hardness, Rockwell C
  • Hardness, Vickers
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate at Elevated Temperature
  • Tensile Strength, Yield
  • Tensile Strength, Yield at Elevated Temperature
  • Elongation at Break
  • Elongation at Break at Elevated Temperature
  • Reduction of Area
  • Modulus of Elasticity
  • Notched Tensile Strength
  • Poissons Ratio
  • Charpy Impact
  • Fatigue Strength
  • Shear Modulus
  • Electrical Resistivity
  • CTE, linear 20°C
  • CTE, linear 250°C
  • CTE, linear 500°C
  
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