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In the paper, the SWRH82B wire rod fractured in the process of drawing and twisting line is inspected with such methods as the metallographic structure examination and scanning electron microscope. As a result, the main cause for fracture is the martensite and inclusions in the center. Moreover, the unreasonable production and processing technologies are important causes for the poorer quality of wire rods. The quality of wire rod is significantly improved and the fracture in drawing is reduced by improving the production and processing technologies.

, authors=Zhi-hua Zhang, Ting Zhang, authorsList=Zhi-hua Zhang, Ting Zhang, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319265299946394171, articleId=1319265298641965620, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=提高SWRH82B盘条质量的工艺实践, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

文章采用金相组织检验以及电镜扫描等方法，对拉拔、绞线过程中产生断裂的SWRH82B盘条进行检验，得出引起断裂的原因主要是心部马氏体和夹杂物的存在。另外，生产加工工艺的不合理也是盘条质量较差的一个重要原因。通过改善生产加工工艺，盘条质量明显改善，拉拔断丝现象减少。

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张治华（1985－），男，内蒙古包头市人，工程师，现从事连铸区域工艺方面工作。

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张治华（1985－），男，内蒙古包头市人，工程师，现从事连铸区域工艺方面工作。

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