.高碳硬线拉拔脆断原因分析于同仁 刘开升 张步海(马钢技术中心)摘 要 高碳硬线盘条作为金属制品的原料,在深加工过程中容易出现脆断现象,这其中一条原因是盘条本身存在缺陷,另一原因是拉拔工艺存在缺陷,本文对脆断原因进行了分析,提出了改进措施。关键词 硬线 脆断 原因Analyse of Drawing Brittle Breaking for High Carbon Wire RodYu Tongren Liu Kaisheng Zhang BuhaiTechnology Center of Maanshan Iron & Steel Co. LtdAbstract: As the material of the metal product, high carbon wire rod is easy to be broken in deep drawing process, one of the reasons is it defects on wire rod, the other is drawing isnt proper