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Carpenter Custom 455® Stainless Steel, Condition H900 (Age Hardened 482°C)
Categories: Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel

Material Notes: 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.

Key Words: UNS S45500; Carpenter Technology Corporation, Carpenter Steel Division; Cartech
Vendors:
Available Properties
  • Density
  • Hardness, Brinell, Estimated from Rockwell C for Brinell test with 3000 kg load, 10 mm ball.
  • Hardness, Knoop, Estimated from Rockwell C
  • Hardness, Rockwell C
  • Hardness, Vickers, Estimated from Rockwell C
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Tensile Strength, Yield
  • Tensile Strength, Yield
  • Tensile Strength, Yield
  • Tensile Strength, Yield
  • Elongation at Break, In 4D
  • Elongation at Break, In 4D
  • Elongation at Break, In 4D
  • Elongation at Break, In 4D
  • Reduction of Area
  • Reduction of Area
  • Reduction of Area
  • Reduction of Area
  • Reduction of Area
  • Modulus of Elasticity
  • Poissons Ratio
  • Fatigue Strength, R.R. Moore Test, Smooth Rotating Beam
  • Shear Modulus
  • Charpy Impact, bar
  • Electrical Resistivity
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • Carbon, C
  • Chromium, Cr
  • Copper, Cu
  • Iron, Fe, as remainder
  • Manganese, Mn
  • Molybdenum, Mo
  • Nb + Ta
  • Nickel, Ni
  • Niobium, Nb (Columbium, Cb)
  • Phosphorous, P
  • Silicon, Si
  • Sulfur, S
  • Tantalum, Ta
  • Titanium, Ti
  
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Manufacturer Notes:
Carpenter Technology Corporation (Cartech)

Category Notes
none

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