Article(id=1319224812065636534, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319224767723459578, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2019.05.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1558368000000, receivedDateStr=2019-05-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792457305207, onlineDateStr=2026-10-20, pubDate=1571932800000, pubDateStr=2019-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792457305207, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792457305207, creator=13701087609, updateTime=1792457305207, updator=13701087609, issue=Issue{id=1319224767723459578, tenantId=1146029695717560320, journalId=1185652524569653253, year='2019', volume='45', issue='5', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1571932800000', pubDateStr='2019-10-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792457294636, creator='13701087609', updateTime=1792734699581, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320388288695882412, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319224767723459578, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320388288695882413, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319224767723459578, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=41, endPage=44, ext={EN=ArticleExt(id=1319224812279546039, articleId=1319224812065636534, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Effects of Finish Cooling Temperature on Microstructure and Properties of Medium Carbon Alloy Steel, columnId=1187340471245357385, journalTitle=Science & Technology of Baotou Steel, columnName=Quality of Variety and Experiment and Research, runingTitle=null, highlight=null, articleAbstract=

In this paper, it is studied the microstructure and properties of medium carbon alloy steel by setting different finish cooling temperatures with two-stage cooling of 2 250 mm hot rolling production line of Baotou Steel. The results showed that as the finish cooling temperature was decreased from 500 ℃ to 100 ℃, the metallographic structure of the test steel was gradually evolved from the structure of "ferrite + pearlite" to the structure of "ferrite + martensite", the yield strength and tensile strength were increased rapidly as well as the elongation was gradually decreased. When the finish cooling temperature reached 320 ℃, the test steel began martensite transformation. According to the market demand, when the finish cooling temperature is set to 320 ℃, the performances of test steel were qualified with customer's 45° cold bend test on the basis of ensuring mechanical properties.

, authors=Zhao Li1, Jin Zhao2, Li-ping Zhao3, Jian-hua Chen1, authorsList=Zhao Li, Jin Zhao, Li-ping Zhao, Jian-hua Chen, 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=1319224812837388472, articleId=1319224812065636534, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=终冷温度对中碳合金钢组织和性能的影响, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=

文章针对包钢2250 mm热轧产线采用两段式冷却,设定不同的终冷温度对中碳合金钢的显微组织和性能进行了研究。结果显示,随着终冷温度由500 ℃降至100 ℃,试验钢金相组织由“铁素体+珠光体”组织逐渐演变为“铁素体+马氏体”组织,屈服强度与抗拉强度迅速上升,延伸率逐渐下降,当终冷温度达到320 ℃时,试验钢开始发生了马氏体转变。应市场需求,终冷温度设定为320 ℃时,试验钢在保证了力学性能的基础上,满足了客户45°冷弯试验性能合格。

, authors=李钊1, 赵进2, 赵莉萍3, 陈建华1, authorsList=李钊, 赵进, 赵莉萍, 陈建华, authorCompany=null, correspAuthors=null, authorNote=

李钊(1986-),男,山西省大同市人,硕士,工程师,现从事新产品研发推广工作。

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李钊(1986-),男,山西省大同市人,硕士,工程师,现从事新产品研发推广工作。

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李钊(1986-),男,山西省大同市人,硕士,工程师,现从事新产品研发推广工作。

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终冷温度对中碳合金钢组织和性能的影响
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李钊 1 , 赵进 2 , 赵莉萍 3 , 陈建华 1
包钢科技 | 品种质量与试验研究 2019,45(5): 41-44
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包钢科技 |品种质量与试验研究 2019 , 45 (5) : 41 -44
终冷温度对中碳合金钢组织和性能的影响
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李钊1, 赵进2, 赵莉萍3, 陈建华1
作者信息
  • 1.内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
  • 2.内蒙古包钢钢联股份有限公司化检验中心,内蒙古 包头 014010
  • 3.内蒙古科技大学材料与冶金学院,内蒙古 包头 014010
作者简介:

李钊(1986-),男,山西省大同市人,硕士,工程师,现从事新产品研发推广工作。

Effects of Finish Cooling Temperature on Microstructure and Properties of Medium Carbon Alloy Steel
Zhao Li1, Jin Zhao2, Li-ping Zhao3, Jian-hua Chen1
Affiliations
  • 1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Chemical Inspection Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.05.012
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文章针对包钢2250 mm热轧产线采用两段式冷却,设定不同的终冷温度对中碳合金钢的显微组织和性能进行了研究。结果显示,随着终冷温度由500 ℃降至100 ℃,试验钢金相组织由“铁素体+珠光体”组织逐渐演变为“铁素体+马氏体”组织,屈服强度与抗拉强度迅速上升,延伸率逐渐下降,当终冷温度达到320 ℃时,试验钢开始发生了马氏体转变。应市场需求,终冷温度设定为320 ℃时,试验钢在保证了力学性能的基础上,满足了客户45°冷弯试验性能合格。

终冷温度  /  中碳合金钢  /  金相组织  /  冷弯试

In this paper, it is studied the microstructure and properties of medium carbon alloy steel by setting different finish cooling temperatures with two-stage cooling of 2 250 mm hot rolling production line of Baotou Steel. The results showed that as the finish cooling temperature was decreased from 500 ℃ to 100 ℃, the metallographic structure of the test steel was gradually evolved from the structure of "ferrite + pearlite" to the structure of "ferrite + martensite", the yield strength and tensile strength were increased rapidly as well as the elongation was gradually decreased. When the finish cooling temperature reached 320 ℃, the test steel began martensite transformation. According to the market demand, when the finish cooling temperature is set to 320 ℃, the performances of test steel were qualified with customer's 45° cold bend test on the basis of ensuring mechanical properties.

finish cooling temperature  /  medium carbon alloy steel  /  metallographic structure  /  cold bend test
李钊, 赵进, 赵莉萍, 陈建华. 终冷温度对中碳合金钢组织和性能的影响. 包钢科技, 2019 , 45 (5) : 41 -44 . DOI: 10.13647/j.cnki.btgkj.2019.05.012
Zhao Li, Jin Zhao, Li-ping Zhao, Jian-hua Chen. Effects of Finish Cooling Temperature on Microstructure and Properties of Medium Carbon Alloy Steel[J]. Science & Technology of Baotou Steel, 2019 , 45 (5) : 41 -44 . DOI: 10.13647/j.cnki.btgkj.2019.05.012

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doi: 10.13647/j.cnki.btgkj.2019.05.012
  • 接收时间:2019-05-21
  • 首发时间:2026-10-20
  • 出版时间:2019-10-25
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  • 收稿日期:2019-05-21
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    1.内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
    2.内蒙古包钢钢联股份有限公司化检验中心,内蒙古 包头 014010
    3.内蒙古科技大学材料与冶金学院,内蒙古 包头 014010
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2种不同金属材料的力学参数
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种数
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属
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species
占总种数比例
Percentage of total
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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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