Steel name: 8620/86B20
  Diagram No.: 1487
  Type of diagram: TTT
  AISI: 8620/86B20
  Chemical composition in weight %: 0.23% C, 0.72% Mn, 0.59% Ni, 0.52% Cr,
  0.21% Mo / - 0.22% C - 0.76% Mn - 0.57% Ni - 0.51% Cr - 0.20% Mo - 0.0025% B.
  Note: Structural steel. Austenitizing temperature: 927 ^oC (1700 ^oF).
  Grain size: 8 for 8620, and 9 for 86B20. Boron treated: black lines.
  Source: Atlas of Isothermal Transformation Diagrams, United States Steel
  Corporation, 1961, Fourth Edition, Pittsburgh, PA, USA.

  Price: 25.00 US $
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