摘要
针对华菱湘钢生产的10B21冷镦钢,通过调整合金成分和优化连铸生产工艺,获得了良好的连铸坯表面质量,以及满足冷镦力学性能要求的盘条。研究表明,连铸坯的表面质量和材料的高温脆性密切相关,通过降低拉坯速度、减少二冷配水比水量,以及降低Al含量、Mn/S比,添加Ti元素,可以提高材料的高温塑性,明显改善10B21连铸坯表面质量,提高冷镦合格率。
The influence of alloy composition and continuous casting process on 10B21 cold heading steel was studied and optimized to get a good billet surface quality and mechanical properties to meet the requirements of cold heading wire rod.Results show that,billet surface quality and high-temperature brittle materials are closely related by reducing the casting speed and flow of secondary cooling water and lower Al content,Mn/S ratio as well as add Ti element,can improve the material of high temperature plastic significantly and improved 10B21 slab surface quality with increasing qualified rate in cold forging.
出处
《铸造技术》
CAS
北大核心
2011年第3期344-347,共4页
Foundry Technology
基金
湖南省第八批省级科技计划(工业科技支撑计划)项目资助:低成本硼合金化冷镦钢产业化关键技术研究(2010GK3159)
