Steel name: W4 Tool Steel
  Diagram No.: 2572
  Type of diagram: TTT
  Chemical composition in weight %: 1.05-1.15% C, 0.30% Mn, 0.50% Si, 0.25% Cr.
  Note: Tool steel. Austenitizing temperature: 795 ^oC (1450 ^oF). Grain size: 8-3/4.
  Source: Data Sheet, Crucible Steel Co. of America, December 1947, as published in
  Atlas of Isothermal Transformation and Cooling Transformation Diagrams, ASM, 1977.

  Price: 25.00 US $
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