ISSN:1003-8620

CN:42-1243/TF

主管:中信泰富特钢集团股份有限公司

主办:大冶特殊钢有限公司

特殊钢 ›› 2009, Vol. 30 ›› Issue (6): 23-25.

• 工艺技术 • 上一篇    下一篇

环保型含Bi低碳高硫易切削钢的开发

张文基,李国忠,张剑锋   

  1. 江阴兴澄特种钢铁有限公司,江阴214429
  • 收稿日期:2009-06-08 出版日期:2009-12-01 发布日期:2022-11-15
  • 作者简介:张文基(1950-),男,高级工程师,上海工业大学毕业,钢铁冶金及新材料硏究。

Development of Environment-friendly Containing Bi Low-Carbon High-Sulfur Free-Cutting Steel

Zhang Wenji, Li Guozhong , Zhang Jianfeng   

  1. Jiangyin Xingcheng Special Steel Works Co Ltd , Jiangyin 214429
  • Received:2009-06-08 Published:2009-12-01 Online:2022-11-15

摘要: 开发Bi易切削钢1215M(%:0.06C、0.04Si、1.25Mn、0.39S、0.17Bi)替代Pb易切削钢SUM24L。生产Bi易切削钢的流程为40t UHP EAF-40t LF(喂Bi线)-180 mm×180 mm连铸-连轧工艺。试验结果表明,Bi易切削钢1215MΦ9 mm盘条夹杂物分布均匀,Bi易切削钢1215M的切削性能优于SUM23HS含S易切削钢与SUM24L含Pb易切削钢相当。

关键词: 易切削钢, 低碳高硫, Bi

Abstract: Bi free-cutting steel 1215M (% : 0. 06C, 0. 04Si, 1. 25Mn, 0. 39S, 0. 17Bi) has been developed to replace Pb free-cutting steel SUM24L. The flow sheet for production of Bi free-cutting steel is 40 t UHP EAF- 40 t LF (feeding Bi wire)-180 mm X 180 mm CC-continuous rolling process. Test results show that the distribution of inclusions in Φ9 mm coil of Bi free-cutting steel 1215M is homogeneous, and the cutting performance of Bi free-cutting steel 1215M is better than that of S free-cutting steel SUM23HS and is equal to Pb free-cutting steel SUM24L.

Key words: Free-Cutting Steel, Low-Carbon High Sulfur, Bi