Steel name: 20 NCD 7
  Diagram No.: 1773
  Type of diagram: TTT
  Mat. No. (Wr. Nr.) designation: 1.3576
  DIN designation: 20NiCrMo7
  AFNOR designation: 20 NCD 7
  Chemical composition in weight %: 0.17% C, 0.63% Mn, 0.25% Si, 0.013% S, 0.013% P
  2.02% Ni, 0.38% Cr, 0.13% Mo, 0.07% Cu.
  Note: Structural and constructional steel. Austenitizing temperature: 900^oC (1652^oF) for
  30 min. Grain size: 10-11.
  Ac₁: 685^oC, Ac₃: 825^oC, M_s: 385^oC.
  Source: Courbes de Transformation des Aciers de Fabrication Francaise, IRSID, Paris,
  France, 1974.

  Price: 30.00 US $
  Buy Online

  We sell's software, not a steels

  Hardenability diagrams of steels
  Tempering diagrams of steels