Kmac Metal Sheet, Rod, Tube Logo Sheet, Rod, Tube Supplier


 

M-2 Tool Steel Technical Data

    Carbon: .78 / .88

    Manganese: .15 / .88

    Silicon: .20 / .45

    Tungsten: 5.50 / 6.00

    Molybdenum: 4.50 / 5.50

    Chromium: 3.75 / 4.50

    Vanadium: 1.75 / 2.20

    Nickel: .30 max.

    Forging: 
      Start forging at: 1900-2100F (1038-1149C) Do not forge below: 1700F (927C)
    Normalizing:  Do not normalize Annealing: 
      Temperature: 1600-1650F (871-899C) Rate of cooling, max. per hour: 40F (22C) Typical annealed hardness, Brinell: 212-241
    Hardening:
      Rate of heating: Rapidly from preheat Preheat temperature: 1350-1550F (732-843C) Hardening temperature: 2175-2250F (1191-1232C) Time at temperature, minutes: 2-5  Quenching medium: O, A, or S 
    Tempering:
      Tempering temperature: 1000-1100F (538-593C) Approx. tempered hardness, Rockwell C: 60-65
    Wear Resistance: Very High Toughness: Low Resistance to Softening Effect of Elevated Temperature: Very High Depth of Hardening: Deep Machinability: Medium Grindability: Low Distortion in Heat Treating: A/S=Low O=Medium Safety in Hardening: Medium Resistance to Decarburization: High
Density 0.294 lb/in
Hardness, Brinell 217 - 255
Modulus of Elasticity 30000 ksi
Charpy Impact 25.8 ft-lb
Charpy Impact 27.3 ft-lb
Charpy Impact 30.2 ft-lb
CTE, linear 250C 6.39 in/in-F
CTE, linear 500C 6.72 in/in-F

 

 

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Hose
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Tube Caps and Plugs
Tube Caps & Plugs

Kmac Distribution  •  3821 Clay Ave. SW  •  Wyoming, MI 49548

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