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One Minute Mentor: Time-Temperature-Transformation Diagram

October 31, 2017
Source: ASM International

Traditionally, carburization is carried out at high temperature to maximize the solubility and the rate of interstitial solute diffusion. On cooling to room temperature, however, a major part of the solute atoms will precipitate as carbide phases. The graph shows the appropriate time-temperature-transformation (TTT) diagram for the heat treatment of an austenitic stainless steel with conventional carbon contents.


Volume 4D, Heat Treating of Irons and Steels →  Heat Treated High-Alloy Steels → Low-Temperature Carburization of Austenitic Stainless Steels

Subject Classifications

Materials Processing and Treatment | Heat Treating

Metals and Alloys | Carbon and Alloy Steels

Metals and Alloys | Stainless Steels

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