电渣重熔M42高速钢稀土孕育处理工艺实践

特殊钢 ›› 2021, Vol. 42 ›› Issue (6): 37-39.

所属专题：特种冶炼；稀土冶金

电渣重熔M42高速钢稀土孕育处理工艺实践

王凯^1,2,王振宇¹,谢志彬^1,2,梁敬斌^1,2,张旭阳¹

1 河冶科技股份有限公司，石家庄052165；
2 河北省高速工具钢工程技术研究中心，石家庄052165

收稿日期:2021-03-25 出版日期:2021-12-23 发布日期:2022-01-03
作者简介:王凯(1986-),男，工程师，2009年华北理工大学(本科)毕业，工模具钢冶炼工艺研究。

Rare Earth Inoculation Process Practice of Electroslag Remelting M42 High Speed Steel

Wang Kai^1,2, Wang Zhenyu¹, Xie Zhibin^1,2, Liang Jingbin^1,2 ， Zhang Xuyang¹

1 Heye Science and Technology Co Ltd, Shijiazhuang 052165;
2 Hebei High Speed Tool Steel Engineering and Technology Research Center, Shijiazhuang 052165

Received:2021-03-25 Published:2021-12-23 Online:2022-01-03

摘要/Abstract

摘要： 使用稀土对高速钢进行孕育处理可改变高速钢碳化物形貌和提高高速钢热塑性。通过20 t MIF+25 t LF+25 t VD+4 t ESR工艺试验和批量生产结果表明，采用VD过程在钢中Al 0.12%时加0.1%镧铈混合稀土合金及ESR过程用6%REO₂渣系，M42钢RE含量稳定在0.027%~0.038%，夹杂物形貌和钢的热塑性都得到明显改善。

Abstract: he morphology of carbides and the thermoplasticity of high speed steel can be improved by inoculating with rare earth. Test and batch production results show that by 20t MIF+25tLF+25tVD+4tESR process,as Al 0. 12% in steel in VD process adding 0. 1% lanthannm-cerium mixed RE alloy and using 6% REO₂ slag series in ESR process,the RE content in M42 steel is 0.027%～0.038% stably to obviously improve inclusions morphology and hot plastisity of steel.

王凯, 王振宇, 谢志彬, 梁敬斌, 张旭阳. 电渣重熔M42高速钢稀土孕育处理工艺实践[J]. 特殊钢, 2021, 42(6): 37-39.

Wang Kai, Wang Zhenyu, Xie Zhibin, Liang Jingbin , Zhang Xuyang. Rare Earth Inoculation Process Practice of Electroslag Remelting M42 High Speed Steel[J]. Special Steel, 2021, 42(6): 37-39.

电渣重熔M42高速钢稀土孕育处理工艺实践

Rare Earth Inoculation Process Practice of Electroslag Remelting M42 High Speed Steel

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