Decarburization behavior of ZGMn13Cr2 steel during water toughening treatment

doi:10.13251/j.issn.0254-6051.2021.04.038

Abstract

Abstract: Decarburization behavior of ZGMn13Cr2 steel under different water toughening conditions was studied. The relationship between actual decarburization depth and theoretical calculation was analyzed, and the traditional calculation model was modified. The results show that the higher the heat temperature for water toughening and the longer the holding time, the severer the decarburization is. When the heat temperature is 1000 ℃, the actual decarburization depth is similar to the theoretical decarburization depth; when the heat temperature is 1050 ℃ and 1100 ℃, the actual decarburization depth is larger than the theoretical decarburization depth due to the intensification of oxidation reaction and the effect of carbides, so the traditional calculation model is no longer applicable. The modified calculation model can play a certain role in measuring the decarburization depth of ZGMn13Cr2 steel in water toughening treatment.

Key words: ZGMn13Cr2 steel, water toughening treatment, decarburization, computational model

CLC Number:

TG142.33

Zhu Ke, Li Qiang, Zeng Jianmin, Zhao Siyong, Huang Zhaomin, Hu Yongmei. Decarburization behavior of ZGMn13Cr2 steel during water toughening treatment[J]. Heat Treatment of Metals, 2021, 46(4): 205-209.

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