Steel name: P20 MOULD STEEL
  Diagram No.: 3197
  Type of diagram: CCT
  Mat. No. (Wr. Nr.): 1.2311
  DIN: 35CrMnMo7
  AISI: P20
  Chemical composition in weight %: 0.34% C, 0.95% Mn, 0.40% Si, 0.020% P,
  0.005-0.020% S, 1.90% Cr, 0.40% Mo, +Ni.
  Note: Plastic mould steel. Austenitizing temperature: 875 ^oC, Ac₁=760 ^oC, Ac₃=830 ^oC,
  M_s=320 ^oC.
  Source: Website INDUSTEEL, France, 2007.

  
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