Hot rolling process of 00Cr22Ni13Mn5Mo2N austenitic stainless steel

doi:10.13251/j.issn.0254-6051.2020.02.016

Abstract

Abstract:

Hot compression deformation behavior of 00Cr22Ni13Mn5Mo2N austenitic stainless steel was studied by using Gleeble-3800 thermal simulator at deformation temperature of 1000-1200 ℃, deformation of 50%, 60%, 70% and strain rate of 0.05 s^-1. The microstructure after deformation behavior and after solution heat treatment at 1080 ℃ was observed and analyzed. Observing the morphology of the structure before and after solution heat treatment obtains that performing thermal compression deformation at 1000-1150 ℃, the dynamic recrystallization is more complete as the deformation increasing, and after solution heat treatment, the static recrystallization is more complete. However, when the temperature is too high at 1200 ℃, the recrystallization has been completed and the grains grow. When the deformation is 50%, 60% and 70%, with the increase of the deformation temperatures, the recrystallization is more complete, and after solution heat treatment, the recrystallization becomes more complete. The optimum rolling temperature for hot rolling of 00Cr22Ni13Mn5Mo2N austenitic stainless steel is 1100 ℃ and the compression deformation is 70%.

Key words: austenite stainless steel, hot rolling, recrystallization, hot compression

CLC Number:

F407.4

Li Bingbing, Chen Haitao, Lang Yuping, Chen Qingming. Hot rolling process of 00Cr22Ni13Mn5Mo2N austenitic stainless steel[J]. HTM, 2020, 45(2): 81-86.

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