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Master Bond adhesives
Crucible Steel REX® M4 High Speed Steel
Categories: Metal; Ferrous Metal; Tool Steel

Material Notes: REX M4 is a special purpose high speed steel designed to give high wear resistance in tools. Its high vanadium and carbon content provide for high resistance to cratering and wear in cold work punches, die inserts, and cutting applications involving high speeds and light cuts. It is designed to give maximum performance working with abrasive materials, exhibiting better wear resistance than M2 or M3.

Information provided by Crucible Industries

Vendors:
Available Properties
  • Density
  • Hardness, Rockwell C, hardened at 2120°F, then quenched and tempered
  • Hardness, Rockwell C, hardened at 2200°F, then quenched and tempered
  • Modulus of Elasticity
  • Charpy Impact, C-notch, hardened at 2200°F, then tempered
  • Charpy Impact, C-notch, hardened at 2120°F, then tempered
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • Processing Temperature, Ac1 Critical Thermal Treatment Temperature
  • Carbon, C
  • Chromium, Cr
  • Iron, Fe, as balance
  • Manganese, Mn
  • Molybdenum, Mo
  • Silicon, Si
  • Tungsten, W
  • Vanadium, V
  
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