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Research on the influence of wire rolling process of ultra-low carbon steel B-CH1T cold heading cracking
Author(s): 
Pages: 37-41
Year: Issue:  2
Journal: Bao-Steel Technology

Keyword:  冷镦开裂孔型超低碳钢;
Abstract: 超低碳钢B-CH1T盘条一般用于制造强度低、变形量大的铆钉件、超细电缆铜包线和电器焊脚线.目前,超低碳钢盘条占宝钢高线年产量的5%左右.针对超低碳钢修剪量大,特别是尾部开裂导致修剪量大的问题,以西5.5规格超低碳钢盘条为对象,分析研究了不同孔型轧制工艺对盘条冷镦开裂的影响机理.研究发现,有槽轧制工艺的粗轧中间样缺陷很浅,而无槽轧制工艺的粗轧中间样缺陷深度最深达1.6 mm,对成品盘条质量造成影响,提出增强导卫扶持度和优化断面控制,以实现减轻粗轧中间样缺陷深度的目的.
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