HS 6-5-4, E M4, SKH 54 M4 High Speed Steel

HS 6-5-4, E M4, SKH 54 M4 High Speed Steel

Short Description:

M4 is an extremely versatile high-speed steel with its extremely high carbon and vanadium contents for exceptional abrasion-resistance. It is well suited for premium cutting tools of all types, particularly those used for machining abrasive alloys, castings and heat-treated materials. The high carbon content enables M4 steel to be hardened in excess of 65HRC. However, the high hardness and high vanadium carbide content make it more difficult to grind after heat treatment compared to M2 and ot...


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    FAQ

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    M4 is an extremely versatile high-speed steel with its extremely high carbon and vanadium contents for exceptional abrasion-resistance. It is well suited for premium cutting tools of all types, particularly those used for machining abrasive alloys, castings and heat-treated materials. The high carbon content enables M4 steel to be hardened in excess of 65HRC. However, the high hardness and high vanadium carbide content make it more difficult to grind after heat treatment compared to M2 and other high-speed steels.

    Other Known Names: HS 6-5-4, E M4, SKH 54, Stark.

    Physical Properties

    Density

    0.288 lb/in3 (7972 kg/m3)

    Specific Gravity

    7.97

    Modulus Of Elasticity

    30 x 106 psi (207 GPa)

    Machinability

    35-40% of a 1% carbon steel

    M4 High Speed Steel Chemical Composition

    MAXIMUM TYPICAL
    Carbon Chromium Tungsten Molybdenum Vanadium Cobalt Annealed Tempered
    C Cr W Mo V Co Hb HrC
    1.3 4.25 5.85 4.75 4.1 - 255 65

    M4 High Speed Steel Heat Treating

    ANNEALING PREHEAT AUSTENITIZING QUENCH TEMPERING
    Temp Temp Temp Medium Temp
    °F °F °F °F
    1550/1600 1500/1550 2175/2225 Salt/Oil/Atm 1025/1050
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