通过抗硫化氢恒负荷拉伸试验,分析探讨了高温QPQ处理的25CrMnMo钢试样在饱和硫化氢溶液中的腐蚀机理。通过对常规QPQ处理与高温QPQ处理的腐蚀现象对比可知,在饱和硫化氢溶液环境下,QPQ处理试样阳极铁溶解导致的腐蚀是化合物层中析出了γ’-Fe4N的结果。并对抗硫化氢腐蚀QPQ工艺进行了初步探讨。 Through the anti-hydrogen sulfide constant load tensile test, the corrosion mechanism of 25CrMnMo steel sample treated with high-temperature QPQ in saturated hydrogen sulfide solution was discussed. By comparing the corrosion of conventional QPQ with that of high temperature QPQ, it can be seen that the corrosion caused by the dissolution of anodized iron in QPQ treated sample is the result of the precipitation of γ’-Fe4N in the compound layer under saturated H2S environment. And the hydrogen sulfide corrosion QPQ process was discussed.