Steel name: 2.25Cr-1Mo Steel
  Diagram No.: 2881
  Type of diagram: TTE
  Chemical composition in weight %: 0.07% C, 0.50% Mn, 0.38% Si, 0.020% P, 0.023% S,
  <0.10% Ni, 2.10% Cr, 1.00% Mo.
  Note: Embrittlement diagram. Temper embrittlement. Austenitizing temperature: 1150^oC
  (2100^oF) for 2 h, furnace cooled to an intermediate temperature 950^oC (1740^oF) for 30
  min, and then air cooled to room temperature. A.) Variation of proportion of intergranular
  fracture with time for various temperaturs (* represents proportion after deembrittlement
  heat treatment at 700^oC (1290^oF) for 48 min). B.) Variation at given temperature of time
  to fixed percentage of intergranular fracture.
  Source: O.Doig, et al., "Segregation of Embrittling Elements to Prior Austenite Grain
  Boundaries in 2.25Cr-1Mo Steel", Metal Science, Vol.16, July 1982, p.335.

  Price: 30.00 US $
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