15-7 PH Steel

Steel name: 15-7 PH
Diagram No.: 8056
Type of diagram: TTT
AMS designation: 5520
AISI/SAE designation: AISI Type 632
Chemical composition in weight %: <0.09% C, <1.00% Si, <1.00% Mn, <0.040% P, <0.030% S, 14.00-16.00% Cr, 2.00-3.00% Mo, 6.50-7.50% Ni, 0.75-1.50% Al
Steel group: Stainless steels
Note: TTT diagrams for the conversion of austenite into martensite in 15-7 PH stainless steel obtained for two different initial treatment conditions: conventional cooling from room temperature to the isothermal transformation temperature; immersion in boiling nitrogen and re-heating to isothermal transformation temperature. Details of the investigation can be found in [16].
Reference: Not shown in this demo version.

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