2.25Cr-1Mo Steel

Steel name: 2.25Cr-1Mo Steel
Diagram No.: 2881
Type of diagram: TTE
Chemical composition in weight %: 0.07% C, 0.38% Si, 0.50% Mn, 0.020% P, 0.023% S, 2.10% Cr, 1.00% Mo, <0.10% Ni
Steel group: Alloy steels
Note: Embrittlement diagram. Temper embrittlement. Austenitizing temperature: 1150oC (2100oF) for 2 h, furnace cooled to an intermediate temperature 950oC (1740oF) 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 700oC (1290oF) for 48 min). B.) Variation at given temperature of time to fixed percentage of intergranular fracture.
Reference: Not shown in this demo version.

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