摘要
针对河北钢铁股份有限公司承德分公司生产的ER70S-6钢盘条拉拔过程断丝、强度及硬度偏高、费模具等而影响拉拔性能的问题,对盘条进行分析,并与其他厂家盘条进行对比,认为钢中残余元素含量高、铸坯表面和低倍质量差、轧制缺陷是造成盘条质量差的主要原因。对ER70S-6钢残余元素成分、冶炼和轧制工艺进行了优化研究,使盘条抗拉强度和硬度降低,表面质量得到提高,拉拔性能得到改善。
In view of the problems affecting the drawahility of ER70S-6 steel wire rod such as high fracture rate, high strength and hardness of the wire rod and serious wear- ing of the molding tool the present paper analyzes the wire rod, compares the wire rod of the plant with that produced in the other plants and then it is determined that the prima- ry causes to bad quality of the wire rod are high content residual elements in steel, bad quality of slab surface and macro quality as well as rolling defects. The residual element compositions and smelting and rolling processes of ER70S-6 steel are optimized. As the results the tensile strength and hardness of the wire rod are lowered, surface quality raised and drawing property of the rod improved.
出处
《炼钢》
CAS
北大核心
2012年第4期32-35,共4页
Steelmaking
