Article(id=1198265200987177813, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, articleNumber=1009-5438(2023)04-0068-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1682870400000, receivedDateStr=2023-05-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763618286606, onlineDateStr=2025-11-20, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763618286606, onlineIssueDateStr=2025-11-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763618286606, creator=13701087609, updateTime=1763618286606, 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=68, endPage=72, ext={EN=ArticleExt(id=1198265201201087318, articleId=1198265200987177813, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Trial Production of Hot Rolled H Beam SM490YB for Offshore Oil Platform, columnId=1198265195702354688, journalTitle=Science & Technology of Baotou Steel, columnName=Varieties and Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
The chemical composition, heating and rolling processes of hot rolled beam SM490YB are reasonably designed according to the technical standard requirements of hot rolled H beam SM490YB for offshore oil platforms in the Japanese Standard JIS G 3106-2020 “Rolled Steel for Welded Structures” combining with the characteristics of working conditions of production line in steel plant. The yield strength of the test steel with Nb-V microalloying is 412~420 MPa, tensile strength is 531~545 MPa, elongation after fracture is 26%~29%, longitudinal impact absorbing energy at -20 ℃ is greater than 200 J and transverse impact absorbing energy is greater than 110 J; microstructure of the test steel at room temperature is fine ferrite+pearlite and grain size number of ferrite is 8.5. The test results showed that the H beam with Nb-V microalloying was with good comprehensive mechanical properties, which could meet the requirements of high strength and toughness, low temperature resistance and easy to be welded for the steel for offshore oil platforms.
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根据日本标准JIS G 3106—2020《焊接结构用轧制钢材》对海洋石油平台用SM490YB热轧型钢的技术标准要求,结合钢厂生产线的工况特点,对SM490YB热轧H型钢的化学成分、加热及轧制工艺进行合理设计。采用Nb-V微合金化的试验钢屈服强度为412~420 MPa,抗拉强度为531~545 MPa,断后伸长率26%~29%,-20 ℃纵向冲击吸收功大于200 J,横向冲击吸收功大于110 J;试验钢室温显微组织为细小的铁素体+珠光体,铁素体晶粒度级别为8.5级。试验结果表明,采用Nb-V微合金化的H型钢具有良好的综合力学性能,试验钢的综合力学性能满足海洋石油平台用钢高强度、高韧性、耐低温、易焊接的要求。
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惠治国(1985-),男,山西省朔州市人,高级工程师,现从事长型材新产品开发工作。
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惠治国(1985-),男,山西省朔州市人,高级工程师,现从事长型材新产品开发工作。
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惠治国(1985-),男,山西省朔州市人,高级工程师,现从事长型材新产品开发工作。
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21(1):1-5., articleTitle=钒在钢中的合金化作用及应用, refAbstract=null), Reference(id=1198277292351910883, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198265200987177813, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[9], rfOrder=8, authorNames=null, journalName=JIS Z 2241—2011,金属材料拉伸试验方法, refType=null, unstructuredReference=
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| 牌号 | C | Si | Mn | P | S | Nb、V、Ti | CEV |
| SM490YB | ≤0.20 | ≤0.55 | ≤1.65 | ≤0.035 | ≤0.035 | 适量 | ≤0.38 |
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| 牌号 | C | Si | Mn | P | S | Nb、V、Ti | CEV |
| SM490YB | ≤0.20 | ≤0.55 | ≤1.65 | ≤0.035 | ≤0.035 | 适量 | ≤0.38 |
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| 牌号 | ReH /MPa | Rm /MPa | A /% | -20 ℃冲击功KV2/J |
| 纵向 | 横向 |
| SM490YB | ≥355 | 490~610 | ≥21 | ≥34 | ≥24 |
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| 牌号 | ReH /MPa | Rm /MPa | A /% | -20 ℃冲击功KV2/J |
| 纵向 | 横向 |
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| C | Si | Mn | P | S | Nb+V+Ti | CEV |
| 0.07~0.12 | 0.20~0.40 | 1.30~1.50 | ≤0.025 | ≤0.025 | 适量 | ≤0.38 |
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| C | Si | Mn | P | S | Nb+V+Ti | CEV |
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| 试样编号 | ReL/MPa | Rm/MPa | A200/% | -20 ℃纵向冲击功KV2/J | -20 ℃横向冲击功KV2/J |
| 1# | 415 | 531 | 29 | 225 | 124 |
| 2# | 412 | 533 | 27 | 213 | 135 |
| 3# | 420 | 545 | 26 | 203 | 116 |
| 标准要求 | ≥355 | 490~610 | ≥21 | ≥34 | ≥24 |
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| 试样编号 | ReL/MPa | Rm/MPa | A200/% | -20 ℃纵向冲击功KV2/J | -20 ℃横向冲击功KV2/J |
| 1# | 415 | 531 | 29 | 225 | 124 |
| 2# | 412 | 533 | 27 | 213 | 135 |
| 3# | 420 | 545 | 26 | 203 | 116 |
| 标准要求 | ≥355 | 490~610 | ≥21 | ≥34 | ≥24 |
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