Crucible Steel REX® M4 High Speed Steel

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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

Property Data

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