Article(id=1198265200525800196, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, articleNumber=1009-5438(2023)04-0034-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1664208000000, receivedDateStr=2022-09-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763618286496, onlineDateStr=2025-11-20, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763618286496, onlineIssueDateStr=2025-11-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763618286496, creator=13701087609, updateTime=1763618286496, updator=13701087609, issue=Issue{id=1198265193424847582, tenantId=1146029695717560320, journalId=1185652524569653253, year='2023', volume='49', issue='4', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763618284803, creator=13701087609, updateTime=1763621606301, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1198279124902047995, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1198279124902047996, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=34, endPage=38, ext={EN=ArticleExt(id=1198265200727126789, articleId=1198265200525800196, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Effects of Annealing Temperature on Microstructure and Properties of Steel Strip HC420LAD+Z, columnId=1198265195702354688, journalTitle=Science & Technology of Baotou Steel, columnName=Varieties and Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
The effects of annealing temperature on microstructure and hardness of hot-dip galvanized low alloy high strength steel strip HC420LAD+Z are analyzed through thermal simulated test machine, optical microscope and hardness test as well as it is concluded that its recrystallization temperature is 700 ℃. The changes of microstructure and properties of the steel strip at different annealing temperatures are further discussed combining the industrial productions with the measured recrystallization temperature. The results showed that the mechanical properties of steel strip were the best when annealed at 780 ℃, yield strength was 467 MPa, tensile strength was 508 MPa, elongation was 24% and the surplus was moderate, which could meet the requirements of EN 10346-2015 standard and customer use.
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通过热模拟试验机、光学显微镜以及硬度试验分析了退火温度对热镀锌低合金高强钢带HC420LAD+Z组织和硬度的影响,得出HC420LAD+Z钢带的再结晶温度为700 ℃。工业生产结合测得的再结晶温度进一步讨论了退火温度不同时钢带的组织以及性能的变化,结果表明,780 ℃退火时钢带的力学性能最优,屈服强度为467 MPa,抗拉强度为508 MPa,伸长率为24%,富余量适中,满足EN 10346—2015标准和用户使用要求。
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李 鹏(1988-),男,内蒙古清水河县人,工程师,现从事板材产品研发工作。
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李 鹏(1988-),男,内蒙古清水河县人,工程师,现从事板材产品研发工作。
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47(2):70-73., articleTitle=Ti含量对IF钢再结晶温度及力学性能的影响, refAbstract=null), Reference(id=1198277386111381787, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, doi=null, pmid=null, pmcid=null, year=2022, volume=null, issue=2, pageStart=23, pageEnd=27, url=null, language=null, rfNumber=[11], rfOrder=10, authorNames=陈泓业, 李伟刚, 王滕, journalName=鞍钢技术, refType=null, unstructuredReference=陈泓业, 李伟刚, 王滕, 等. 退火工艺对Ti-IF钢力学性能的影响[J].
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2022(2):23-27., articleTitle=退火工艺对Ti-IF钢力学性能的影响, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1198277381388595396, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, xref=null, ext=[AuthorCompanyExt(id=1198277381396984005, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, companyId=1198277381388595396, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1198277381405372614, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, companyId=1198277381388595396, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010)])], figs=[ArticleFig(id=1198277383083094270, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=EN, label=null, caption=null, figureFileSmall=CNRj2uDAcd0As1AJ2IL4Cg==, figureFileBig=rm+0MqsF0lsL6a+VCULzeg==, tableContent=null), ArticleFig(id=1198277383158591744, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=CN, label=图1, caption=
热模拟退火工艺图, figureFileSmall=CNRj2uDAcd0As1AJ2IL4Cg==, figureFileBig=rm+0MqsF0lsL6a+VCULzeg==, tableContent=null), ArticleFig(id=1198277383238283521, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=EN, label=null, caption=null, figureFileSmall=LlBNaDhgoydDr10jtrIe5A==, figureFileBig=PW5whVY4XQRMfdTpyDvk4A==, tableContent=null), ArticleFig(id=1198277383297003778, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=CN, label=图2, caption=
不同退火温度的显微组织, figureFileSmall=LlBNaDhgoydDr10jtrIe5A==, figureFileBig=PW5whVY4XQRMfdTpyDvk4A==, tableContent=null), ArticleFig(id=1198277383385084163, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=EN, label=null, caption=null, figureFileSmall=KXkZpiqx+26aRJYyRcaUlg==, figureFileBig=OBcqRSuUPeXXNOmiakqliA==, tableContent=null), ArticleFig(id=1198277383431221508, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=CN, label=图3, caption=
试验钢硬度与退火温度曲线, figureFileSmall=KXkZpiqx+26aRJYyRcaUlg==, figureFileBig=OBcqRSuUPeXXNOmiakqliA==, tableContent=null), ArticleFig(id=1198277383498330373, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=EN, label=null, caption=null, figureFileSmall=qLsJRyW0tB+vhDJYIWgXNw==, figureFileBig=pMkBTdoMVg1KnQDKv7keOA==, tableContent=null), ArticleFig(id=1198277383561244934, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=CN, label=图4, caption=
不同退火温度的显微组织, figureFileSmall=qLsJRyW0tB+vhDJYIWgXNw==, figureFileBig=pMkBTdoMVg1KnQDKv7keOA==, tableContent=null), ArticleFig(id=1198277383615770887, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| C | Si | Mn | P | S | Alt | Nb | Ti |
| ≤0.11 | ≤0.50 | ≤1.40 | ≤0.030 | ≤0.025 | ≥0.015 | ≤0.09 | ≤0.15 |
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HC420LAD+Z钢带化学成分(质量分数) %
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| C | Si | Mn | P | S | Alt | Nb | Ti |
| ≤0.11 | ≤0.50 | ≤1.40 | ≤0.030 | ≤0.025 | ≥0.015 | ≤0.09 | ≤0.15 |
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| 屈服强度Rp0.2/MPa | 抗拉强度Rm/MPa | 伸长率A80/% |
| 420~520 | 470~590 | ≥17 |
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HC420LAD+Z钢带力学性能
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| 屈服强度Rp0.2/MPa | 抗拉强度Rm/MPa | 伸长率A80/% |
| 420~520 | 470~590 | ≥17 |
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| 热轧工艺 | | 冷轧工艺 |
| 加热温度/℃ | 在炉时间/min | 终轧温度/℃ | 卷取温度/℃ | 冷却模式 | 压下率/% | 成品厚度/mm |
| 1 200~1 220 | 180~240 | 890±20 | 580±20 | 前分散式 | | 70 | 1.5 |
), ArticleFig(id=1198277383993258252, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=CN, label=表3, caption=
HC420LAD+Z钢带关键轧制工艺参数
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| 热轧工艺 | | 冷轧工艺 |
| 加热温度/℃ | 在炉时间/min | 终轧温度/℃ | 卷取温度/℃ | 冷却模式 | 压下率/% | 成品厚度/mm |
| 1 200~1 220 | 180~240 | 890±20 | 580±20 | 前分散式 | | 70 | 1.5 |
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| 方案 | 加热均热段温度 /℃ | 缓冷段温度 /℃ | 快冷段温度 /℃ | 锌液温度 /℃ | 光整机延伸率 /% | 炉区速度 /(m·min-1) |
| 1 | 760 | 610 | 465 | 460 | 1.4 | 100 |
| 2 | 770 | 610 | 465 | 460 | 1.4 | 100 |
| 3 | 780 | 610 | 465 | 460 | 1.4 | 100 |
| 4 | 800 | 610 | 465 | 460 | 1.4 | 100 |
| 内控要求 | 760~800 | 580~630 | 450~475 | 450~470 | 1.2~1.6 | 90~110 |
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HC420LAD+Z钢带连续退火主要工艺参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 加热均热段温度 /℃ | 缓冷段温度 /℃ | 快冷段温度 /℃ | 锌液温度 /℃ | 光整机延伸率 /% | 炉区速度 /(m·min-1) |
| 1 | 760 | 610 | 465 | 460 | 1.4 | 100 |
| 2 | 770 | 610 | 465 | 460 | 1.4 | 100 |
| 3 | 780 | 610 | 465 | 460 | 1.4 | 100 |
| 4 | 800 | 610 | 465 | 460 | 1.4 | 100 |
| 内控要求 | 760~800 | 580~630 | 450~475 | 450~470 | 1.2~1.6 | 90~110 |
), ArticleFig(id=1198277384211362063, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 屈服强度 Rp0.2/MPa | 抗拉强度 Rm/MPa | 伸长率 A80/% |
| 1 | 516 | 616 | 15 |
| 2 | 482 | 575 | 22 |
| 3 | 467 | 508 | 24 |
| 4 | 413 | 492 | 26 |
| 标准要求 | 420~520 | 470~590 | ≥17 |
), ArticleFig(id=1198277384291053840, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200525800196, language=CN, label=表5, caption=
HC420LAD+Z钢带的力学性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 屈服强度 Rp0.2/MPa | 抗拉强度 Rm/MPa | 伸长率 A80/% |
| 1 | 516 | 616 | 15 |
| 2 | 482 | 575 | 22 |
| 3 | 467 | 508 | 24 |
| 4 | 413 | 492 | 26 |
| 标准要求 | 420~520 | 470~590 | ≥17 |
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