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Master Bond adhesives
Crucible Steel PEERLESS A Tool Steel, AISI H21
Categories: Metal; Ferrous Metal; Tool Steel

Material Notes: Peerless A is designed for tools which will run hot, at operating temperatures between about 600F and 1100F. The tools should not be water cooled in service, due to a high risk of thermal shock. Peerless A offers wear resistance approaching H19, with slightly better toughness at high temperature (over about 600F). It may be used at tool temperatures up to 1100F, with brief exposures to 1200/1250F.

Information provided by Crucible Industries

Key Words: AISI H21
Vendors:
Available Properties
  • Density
  • Hardness, Brinell
  • Hardness, Rockwell C, oil quenched from 2150°F then tempered
  • Hardness, Rockwell C, oil quenched from 2150°F then tempered
  • Hardness, Rockwell C, oil quenched from 2150°F then tempered
  • Hardness, Rockwell C, oil quenched from 2150°F then tempered
  • Hardness, Rockwell C, oil quenched from 2150°F then tempered
  • Hardness, Rockwell C, oil quenched from 2150°F then tempered
  • Modulus of Elasticity
  • Charpy Impact, V-notch, 50 HRC
  • Charpy Impact, V-notch, 38 HRC
  • Charpy Impact, V-notch, 50 HRC
  • Charpy Impact, V-notch, 50 HRC
  • Charpy Impact, V-notch, 38 HRC
  • Charpy Impact, V-notch, 38 HRC
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • Thermal Conductivity
  • Thermal Conductivity
  • Carbon, C
  • Chromium, Cr
  • Iron, Fe, as balance
  • Manganese, Mn
  • Silicon, Si
  • Tungsten, W
  • Vanadium, V
  
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