Article(id=1199810030733193656, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1199810028623458694, articleNumber=1009-5438(2022)06-0053-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1663689600000, receivedDateStr=2022-09-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763986602718, onlineDateStr=2025-11-24, pubDate=1671897600000, pubDateStr=2022-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763986602718, onlineIssueDateStr=2025-11-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763986602718, creator=13701087609, updateTime=1763986602718, updator=13701087609, issue=Issue{id=1199810028623458694, tenantId=1146029695717560320, journalId=1185652524569653253, year='2022', volume='48', issue='6', 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=1763986602216, creator=13701087609, updateTime=1764034375076, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200010402584163079, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1199810028623458694, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200010402584163080, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1199810028623458694, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=53, endPage=57, ext={EN=ArticleExt(id=1199810031010017736, articleId=1199810030733193656, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Improvement of Low Temperature Impact Toughness of SM490YB Hot-rolled H Beam for Offshore Oil Platform, columnId=1187340471245357385, journalTitle=Science & Technology of Baotou Steel, columnName=Quality of Variety and Experiment and Research, runingTitle=null, highlight=null, articleAbstract=
The causes for lower qualified rate of transverse low temperature impact toughness at -20 ℃ of SM490YB hot-rolled H beam for offshore oil platform are analyzed with such instrument and equipment as the optical microscope, scanning electron microscope and energy spectrometer. The results showed that the poorer low temperature impact toughness of test steel was caused by large Al2O3 inclusion, harder bainite structure, coarse grain and banded structure in the steel. The transverse low temperature impact toughness at -20 ℃ of test steel is improved obviously and qualified rate of impact at -20 ℃ is increased from 80% to 100% by reducing carbon content of test steel as well as optimizing smelting and rolling processes so that the grain size and inclusions of test steel are refined as well as types of microstructure are optimized.
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采用光学显微镜、扫描电子显微镜、能谱仪等仪器设备,对海洋石油平台用SM490YB热轧H型钢-20 ℃横向低温冲击韧性合格率偏低的原因进行分析。结果表明,钢中存在Al2O3大颗粒夹杂物、较硬的贝氏体组织、晶粒粗大及带状组织是造成试验钢低温冲击韧性差的主要原因。通过降低试验钢的碳含量,优化冶炼及轧制工艺,试验钢的晶粒尺寸、夹杂物得到细化,组织类型得到优化,试验钢-20 ℃横向低温冲击韧性得到明显改善,-20 ℃冲击合格率由80%提高到100%。
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彭 飞(1988-),男,辽宁省凌源市人,工程师,主要从事金属材料性能研究工作。
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彭 飞(1988-),男,辽宁省凌源市人,工程师,主要从事金属材料性能研究工作。
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彭 飞(1988-),男,辽宁省凌源市人,工程师,主要从事金属材料性能研究工作。
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2 内蒙古包钢钢联股份有限公司技术中心, 内蒙古 包头 014010)])]), Author(id=1200024812027473932, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1200024812270743569, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, authorId=1200024812027473932, language=EN, stringName=Hong-fang Li, firstName=Hong-fang, middleName=null, lastName=Li, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 内蒙古包钢钢联股份有限公司化检验中心, 内蒙古 包头 014010, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1200024811104728034, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, xref=1, ext=[AuthorCompanyExt(id=1200024811113116644, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, companyId=1200024811104728034, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 内蒙古包钢钢联股份有限公司化检验中心, 内蒙古 包头 014010)])])], keywords=[Keyword(id=1200024812769865758, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, orderNo=1, keyword=SM490YB), Keyword(id=1200024812979580967, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, orderNo=2, keyword=hot-rolled H beam), Keyword(id=1200024813151547442, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, orderNo=3, keyword=low temperature impact toughness), Keyword(id=1200024813252210746, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, orderNo=4, keyword=microstructure), Keyword(id=1200024813327708224, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, orderNo=1, keyword=SM490YB), Keyword(id=1200024813432565828, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, orderNo=2, keyword=热轧H钢), Keyword(id=1200024813562589258, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, orderNo=3, keyword=低温冲击韧性), Keyword(id=1200024813659058256, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, orderNo=4, keyword=显微组织)], refs=[Reference(id=1200024817412960489, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, doi=null, pmid=null, pmcid=null, year=2017, volume=42, issue=8, pageStart=68, pageEnd=72, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=赵培林, 宗云, journalName=金属热处理, refType=null, unstructuredReference=赵培林, 宗云. 显微组织对海洋工程用热轧H型钢低温断裂韧性的影响[J].
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56(3):41-50., articleTitle=热轧钛微合金化高强钢低温冲击韧性的控制, refAbstract=null), Reference(id=1200024821808591147, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, doi=null, pmid=null, pmcid=null, year=2021, volume=null, issue=19, pageStart=13, pageEnd=17, url=null, language=null, rfNumber=[13], rfOrder=12, authorNames=李红超, 卢凤飞, journalName=冶金管理, refType=null, unstructuredReference=李红超, 卢凤飞. 炼钢生产中转炉炼钢脱氧工艺分析[J].
冶金管理,
2021,(19):13-17., articleTitle=炼钢生产中转炉炼钢脱氧工艺分析, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1200024811104728034, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, xref=1, ext=[AuthorCompanyExt(id=1200024811113116644, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, companyId=1200024811104728034, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Chemical Inspection Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1200024811117310949, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, companyId=1200024811104728034, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 内蒙古包钢钢联股份有限公司化检验中心, 内蒙古 包头 014010)]), AuthorCompany(id=1200024811234751464, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, xref=2, ext=[AuthorCompanyExt(id=1200024811243140073, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, companyId=1200024811234751464, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1200024811251528682, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, companyId=1200024811234751464, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 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=1200024814011379813, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=wdXSRk6zyXpl95YWVtjUjw==, figureFileBig=K5oWkEM6Xjpp6IOwfDU2BA==, tableContent=null), ArticleFig(id=1200024814149791855, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图1, caption=
首批生产的试验钢低温冲击性能统计, figureFileSmall=wdXSRk6zyXpl95YWVtjUjw==, figureFileBig=K5oWkEM6Xjpp6IOwfDU2BA==, tableContent=null), ArticleFig(id=1200024814288203896, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=HZzcNLGvbioCo3wgswB5Ww==, figureFileBig=UUGWFLEEKF1Mvp4Cj/NPIA==, tableContent=null), ArticleFig(id=1200024815521329280, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图2, caption=
冲击不合格试样的显微组织, figureFileSmall=HZzcNLGvbioCo3wgswB5Ww==, figureFileBig=UUGWFLEEKF1Mvp4Cj/NPIA==, tableContent=null), ArticleFig(id=1200024815722655878, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=iwhAbU3/iqF7Y4cvMB2X6Q==, figureFileBig=SD8cPB9+QjnYI5bTzP0zoA==, tableContent=null), ArticleFig(id=1200024815835902093, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图3, caption=
冲击不合格试样断口形貌, figureFileSmall=iwhAbU3/iqF7Y4cvMB2X6Q==, figureFileBig=SD8cPB9+QjnYI5bTzP0zoA==, tableContent=null), ArticleFig(id=1200024815940759703, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=3otZBOF51qTo131xWd37YQ==, figureFileBig=04OfEaz9bVPLqPNwgclQ+A==, tableContent=null), ArticleFig(id=1200024816016257185, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图4, caption=
冲击不合格试样夹杂物能谱, figureFileSmall=3otZBOF51qTo131xWd37YQ==, figureFileBig=04OfEaz9bVPLqPNwgclQ+A==, tableContent=null), ArticleFig(id=1200024816167252138, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=Hx96/q37wb1pNA+7oAzXRA==, figureFileBig=uIsxN2CgvUyfdhg/muxnLA==, tableContent=null), ArticleFig(id=1200024816259526834, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图5, caption=
改进工艺后试验钢低温冲击性能统计, figureFileSmall=Hx96/q37wb1pNA+7oAzXRA==, figureFileBig=uIsxN2CgvUyfdhg/muxnLA==, tableContent=null), ArticleFig(id=1200024816381161659, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=aYDOeCLALfLlj+w/hbbKFg==, figureFileBig=s/YBQrXdXaf4MgstRo9c5Q==, tableContent=null), ArticleFig(id=1200024816460853439, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图6, caption=
改进工艺后试验钢的显微组织, figureFileSmall=aYDOeCLALfLlj+w/hbbKFg==, figureFileBig=s/YBQrXdXaf4MgstRo9c5Q==, tableContent=null), ArticleFig(id=1200024816603459781, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=KptxNtaAdJwxoz1QY2v4Cw==, figureFileBig=2LS6ef+0pd9QWi/8AYABVQ==, tableContent=null), ArticleFig(id=1200024816737677514, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=CN, label=图7, caption=
改进工艺后试验钢的冲击断口形貌, figureFileSmall=KptxNtaAdJwxoz1QY2v4Cw==, figureFileBig=2LS6ef+0pd9QWi/8AYABVQ==, tableContent=null), ArticleFig(id=1200024816825757903, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810030733193656, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 执行标准 | C | Si | Mn | P | S | Nb | V |
| JIS G 3106—2020[8] | ≤0.18 | ≤0.50 | 0.90-1.60 | ≤0.025 | ≤0.025 | ≤0.050 | ≤0.100 |
| 设计成分 | 0.12~0.15 | 0.25~0.30 | 1.35~1.45 | 0.013 | 0.002 | 0.015 | 0.044 |
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试验钢的化学成分(质量分数) %
, figureFileSmall=null, figureFileBig=null, tableContent=
| 执行标准 | C | Si | Mn | P | S | Nb | V |
| JIS G 3106—2020[8] | ≤0.18 | ≤0.50 | 0.90-1.60 | ≤0.025 | ≤0.025 | ≤0.050 | ≤0.100 |
| 设计成分 | 0.12~0.15 | 0.25~0.30 | 1.35~1.45 | 0.013 | 0.002 | 0.015 | 0.044 |
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| ReH/MPa | Rm/MPa | A/% | KV2(-20 ℃,横向)/J |
| ≥355 | 490~630 | ≥21 | ≥24 |
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试验钢的力学性能要求
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| ReH/MPa | Rm/MPa | A/% | KV2(-20 ℃,横向)/J |
| ≥355 | 490~630 | ≥21 | ≥24 |
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