Steel name: D
  Diagram No.: 1350
  Type of diagram: TTT
  Mat. No. (Wr. Nr.) designation: ~1.0474
  DIN designation: D
  Chemical composition in weight %: 0.87% C, 0.27% Si, 0.32% Mn, 0.020% P, 0.005% S,
  3.99% Cr, 0.80% Mo, 0.11% Ni, 2.52% V, 11.91% W.
  Note: High speed steel. Austenitizing temperature: 1210, 1270^oC.
  Holding time: 2 min, brought up to temperature in 20 min.
  Source: A. Rose, F. Wever, W. Peter, Atlas Zur Warmebehandlung Der Stahle,
  Verlag Stahleisen, Dusseldorf, Germany, 1954, 1956, 1958.

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