潜孔钻头用钢18CrNi3MoA圆棒的生产试制  

Production trial of steel 18CrNi3MoA round bar for down-hole drill

作　　者：郑安雄 徐素鹏[2] 王学玺 叶玉娟 徐玉贵 陈留亮 ZHENG Anxiong;XU Supeng;WANG Xuexi;YE Yujuan;XU Yugui;CHEN Liuliang(Technology Center,Henan Zhongyuan Special Steel Equipment Manufacturing Co.,Ltd.,Jiyuan 459000,Henan China;Department of Metallurgy and Chemical Engineering,Jiyuan Vocational and Technical College,Jiyuan 459000,Henan China)

机构地区：[1]河南中原特钢装备制造有限公司技术中心,河南济源459000 [2]济源职业技术学院冶金化工系,河南济源459000

出　　处：《锻压装备与制造技术》2020年第5期135-138,共4页China Metalforming Equipment & Manufacturing Technology

摘　　要：根据潜孔钻头用钢18CrNi3MoA技术要求,并针对钢种特性分析,通过控制冶炼过程钢水纯净度,加热过程的高温均质化处理,控温控锻的锻造变形方法,以及合理的热处理工艺,生产的18CrNi3MoA圆棒具有纯净度高、晶粒均匀细小、带状偏析轻、机械性能良好等优点,满足用户的使用要求。According to the technical requirements of steel 18CrNi3MoA for down-the-hole drill bits and the analysis of the characteristics of the steel,through the control of the purity of the molten steel during the smelting process,the high temperature homogenization treatment in the heating process,the forging deformation method of temperature control and forging,and the reasonable heat treatment process,the 18CrNi3MoA round rod produced has the advantages of high purity,uniform and fine grains,light band segregation,and good mechanical properties,which can meet the requirements of users.

关 键 词：潜孔钻头 18CrNi3MoA 试制 力学性能 带状 

分 类 号：TG142.31[一般工业技术—材料科学与工程]