Effect of heat treatment on distortion of Cr-Mo steel tool

doi:10.13251/j.issn.0254-6051.2021.03.023

Abstract

Abstract: For 25CrMo, 30CrMo and 42CrMo steel tools, quenching process at 860 ℃ was carried out, and the 42CrMo steel tool was tested for 860, 850, 830 ℃ quenching and preheating+ 830 ℃ quenching, for comparing the distortion data of the tool groove. The results show that with carbon content increasing, the distortion of low- and medium-carbon chromium-chromium steel tool groove quenched at 860 ℃ increases, and the max distortion is fluctuated between －0.15 and +0.15 mm. With quenching temperature decreasing, the distortion of 42CrMo steel tool groove is drops to －0.10-+0.09 mm.

Key words: Cr-Mo steel, distortion, heat treatment, carbon content

CLC Number:

TG157

Zheng Yefang, Jiang Ying, Xie Xiaojun, Xia Yuliang, Li Quan, You Fei. Effect of heat treatment on distortion of Cr-Mo steel tool[J]. Heat Treatment of Metals, 2021, 46(3): 113-115.

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