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The causes for longitudinal crack on high strength steel of wide and thick plate of Baotou Steel are found out through analyzing the chemical composition of high strength steel, water quantity and cone angle of crystallizer, casting powder and production organization combining with the casting machine and technological characteristics for wide plate of Baotou Steel. Moreover, such control measures as optimizing the production organization, properly increasing cone angle of crystallizer, decreasing water quantity of crystallizer and optimizing operation of changing ladle between heats are established so that the longitudinal crack on high strength steel is reduced obviously. The results showed that strict quality control measure was the key factor to eliminate longitudinal crack on high strength steel.

, authors=Zhi-guo Liu, Xin Li, authorsList=Zhi-guo Liu, Xin Li, 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=1319244202425303380, articleId=1319244200898576722, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=高强钢纵裂控制, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=

结合包钢宽板铸机设备和工艺特点,通过对高强钢化学成分、结晶器水量、结晶器锥度、保护渣和生产组织的分析,找出了包钢宽厚板高强钢纵裂产生的原因,并制定了优化生产组织、适当加大结晶器锥度、减少结晶器水量和优化炉次间换包操作等控制措施,从而使高强钢纵裂情况有了明显改善。结果表明,严格的质量控制措施是克服高强钢纵向裂纹的关键因素。

, authors=刘志国, 李鑫, authorsList=刘志国, 李鑫, authorCompany=null, correspAuthors=null, authorNote=

刘志国(1976-)男,内蒙古包头市人,工程师,现从事宽板铸机技术工作。

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刘志国(1976-)男,内蒙古包头市人,工程师,现从事宽板铸机技术工作。

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刘志国(1976-)男,内蒙古包头市人,工程师,现从事宽板铸机技术工作。

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高强钢纵裂控制
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刘志国 , 李鑫
包钢科技 | 品种质量与试验研究 2021,47(2): 45-48
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包钢科技 |品种质量与试验研究 2021 , 47 (2) : 45 -48
高强钢纵裂控制
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刘志国, 李鑫
作者信息
  • 内蒙古包钢钢联股份有限公司薄板坯连铸连轧厂,内蒙古 包头 014010
作者简介:

刘志国(1976-)男,内蒙古包头市人,工程师,现从事宽板铸机技术工作。

Control of Longitudinal Crack on High Strength Steel
Zhi-guo Liu, Xin Li
Affiliations
  • CSP Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2021-04-25 doi: 10.13647/j.cnki.btgkj.2021.02.012
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结合包钢宽板铸机设备和工艺特点,通过对高强钢化学成分、结晶器水量、结晶器锥度、保护渣和生产组织的分析,找出了包钢宽厚板高强钢纵裂产生的原因,并制定了优化生产组织、适当加大结晶器锥度、减少结晶器水量和优化炉次间换包操作等控制措施,从而使高强钢纵裂情况有了明显改善。结果表明,严格的质量控制措施是克服高强钢纵向裂纹的关键因素。

高强钢  /  纵裂  /  原因  /  控制措施

The causes for longitudinal crack on high strength steel of wide and thick plate of Baotou Steel are found out through analyzing the chemical composition of high strength steel, water quantity and cone angle of crystallizer, casting powder and production organization combining with the casting machine and technological characteristics for wide plate of Baotou Steel. Moreover, such control measures as optimizing the production organization, properly increasing cone angle of crystallizer, decreasing water quantity of crystallizer and optimizing operation of changing ladle between heats are established so that the longitudinal crack on high strength steel is reduced obviously. The results showed that strict quality control measure was the key factor to eliminate longitudinal crack on high strength steel.

high strength steel  /  longitudinal crack  /  cause  /  control measures
刘志国, 李鑫. 高强钢纵裂控制. 包钢科技, 2021 , 47 (2) : 45 -48 . DOI: 10.13647/j.cnki.btgkj.2021.02.012
Zhi-guo Liu, Xin Li. Control of Longitudinal Crack on High Strength Steel[J]. Science & Technology of Baotou Steel, 2021 , 47 (2) : 45 -48 . DOI: 10.13647/j.cnki.btgkj.2021.02.012

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doi: 10.13647/j.cnki.btgkj.2021.02.012
  • 接收时间:2021-03-03
  • 首发时间:2026-10-20
  • 出版时间:2021-04-25
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  • 收稿日期:2021-03-03
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    内蒙古包钢钢联股份有限公司薄板坯连铸连轧厂,内蒙古 包头 014010
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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