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M2

UNS #T11302

M2 is a fine grained molybdenum-tungsten high speed steel possessing advantages over 18-4-1 high speed steels including less weight per cubic inch, lower hardening temperature, and somewhat easier machining.

Type Analysis

  • Carbon (Nominal) 0.82
  • Silicon (Maximum) 0.25
  • Tungsten (Nominal) 6.25
  • Manganese (Maximum) 0.3
  • Chromium (Nominal) 4.25
  • Molybdenum (Nominal) 5
  • Iron (Nominal) Balance
  • Vanadium (Nominal) 1.8

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Applicable Specifications

  • ASTM A600
  • QQ-T-590

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