Article(id=1199810029193884038, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1199810028623458694, articleNumber=1009-5438(2022)06-0024-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1647360000000, receivedDateStr=2022-03-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763986602351, onlineDateStr=2025-11-24, pubDate=1671897600000, pubDateStr=2022-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763986602351, onlineIssueDateStr=2025-11-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763986602351, creator=13701087609, updateTime=1763986602351, 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=24, endPage=28, ext={EN=ArticleExt(id=1199810029403599240, articleId=1199810029193884038, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Development of Q460 Grade High Strength Structural Tube Products, columnId=1187100781414069182, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practices and Management, runingTitle=null, highlight=null, articleAbstract=
The trace amount of refining grain elements are added into carbon manganese steel as well as the heat treatment method of quenching and tempering is applied in production based on the standard. The mass production results showed that the mechanical properties could meet requirements and toughness was good. After the heat treatment of quenching and tempering, the yield strength of steel tube is not less than 500 MPa, tensile strength is not less than 620 MPa, longitudinal elongation is not less than 20%, average longitudinal impact value at -20 ℃ is not less than 180 J and the performances could meet customer's requirements; carbon equivalent is controlled below 0.44 to ensure the subsequent weldability.
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根据标准采用碳锰钢加入微量细化晶粒元素,用淬火加回火热处理方式进行生产。批量化生产结果表明,力学性能可以满足要求,并且有很好的韧性表现。在淬火加回火热处理后钢管的屈服强度不小于500 MPa,抗拉强度不小于620 MPa,纵向伸长率不小于20%,-20 ℃下的平均纵向冲击值不小于180 J,性能满足客户要求;控制碳当量小于0.44,保证后续焊接性能。
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郭智韬(1969-),男,山西省大同市人,硕士,高级工程师,现从事结构管研究工作。
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郭智韬(1969-),男,山西省大同市人,硕士,高级工程师,现从事结构管研究工作。
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24(4):31-33., articleTitle=钢中残余有害元素对油井管质量的影响, refAbstract=null), Reference(id=1200024827403792752, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, doi=null, pmid=null, pmcid=null, year=1994, volume=null, issue=1, pageStart=64, pageEnd=65, url=null, language=null, rfNumber=[11], rfOrder=10, authorNames=印德俊, journalName=特殊钢, refType=null, unstructuredReference=印德俊. 钢中九害元素对钢的危害性及其对策[J].
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1994,(1):64-65., articleTitle=钢中九害元素对钢的危害性及其对策, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1200024814271426677, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, xref=null, ext=[AuthorCompanyExt(id=1200024814284009591, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, companyId=1200024814271426677, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Inner Mongolia Baotou Steel Tube Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1200024814296592506, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, companyId=1200024814271426677, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=内蒙古包钢钢管有限公司, 内蒙古 包头 014010)])], figs=[ArticleFig(id=1200024818264404240, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量等级 | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Mo | B | Als |
| C | ≤0.20 | ≤0.60 | ≤1.80 | ≤0.030 | ≤0.030 | ≤0.11 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.20 | ≤0.005 | ≥0.015 |
| D | ≤0.20 | ≤0.60 | ≤1.80 | ≤0.030 | ≤0.025 | ≤0.11 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.20 | ≤0.005 | ≥0.015 |
| E | ≤0.20 | ≤0.60 | ≤1.80 | ≤0.025 | ≤0.020 | ≤0.11 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.20 | ≤0.005 | ≥0.015 |
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Q460钢级的化学成分要求(质量分数) %
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| 质量等级 | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Mo | B | Als |
| C | ≤0.20 | ≤0.60 | ≤1.80 | ≤0.030 | ≤0.030 | ≤0.11 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.20 | ≤0.005 | ≥0.015 |
| D | ≤0.20 | ≤0.60 | ≤1.80 | ≤0.030 | ≤0.025 | ≤0.11 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.20 | ≤0.005 | ≥0.015 |
| E | ≤0.20 | ≤0.60 | ≤1.80 | ≤0.025 | ≤0.020 | ≤0.11 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.80 | ≤0.20 | ≤0.20 | ≤0.005 | ≥0.015 |
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| 牌号 | 公称壁厚≤16 mm | | 公称壁厚16~30 mm | | 公称壁厚>30 mm |
| 热轧或正火 | 淬火+回火 | 热轧或正火 | 淬火+回火 | 热轧或正火 | 淬火+回火 |
| Q460 | ≤0.53 | ≤0.48 | | ≤0.55 | ≤0.50 | | ≤0.55 | ≤0.50 |
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标准对碳当量要求
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| 牌号 | 公称壁厚≤16 mm | | 公称壁厚16~30 mm | | 公称壁厚>30 mm |
| 热轧或正火 | 淬火+回火 | 热轧或正火 | 淬火+回火 | 热轧或正火 | 淬火+回火 |
| Q460 | ≤0.53 | ≤0.48 | | ≤0.55 | ≤0.50 | | ≤0.55 | ≤0.50 |
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| 等级 | 抗拉强度Rm /MPa | 下屈服强度Rel/MPa | 断后伸长率 /% | 冲击试验 |
| ≤16 mm | 16~30 mm | >30 mm | 温度/℃ | KV2/J |
| C | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 | 0 | ≥34 |
| D | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 | -20 | ≥34 |
| E | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 | -40 | ≥27 |
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Q460钢级力学性能要求
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| 等级 | 抗拉强度Rm /MPa | 下屈服强度Rel/MPa | 断后伸长率 /% | 冲击试验 |
| ≤16 mm | 16~30 mm | >30 mm | 温度/℃ | KV2/J |
| C | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 | 0 | ≥34 |
| D | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 | -20 | ≥34 |
| E | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 | -40 | ≥27 |
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| 试验编号 | 热处理制度 |
| 2# | (910±10)℃+50 min保温水淬; (590±10) ℃回火+70 min保温空冷 |
| 3# | (910±10)℃+50 min保温水淬; (650±10) ℃回火+70 min保温空冷 |
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试验设计热处理制度
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| 试验编号 | 热处理制度 |
| 2# | (910±10)℃+50 min保温水淬; (590±10) ℃回火+70 min保温空冷 |
| 3# | (910±10)℃+50 min保温水淬; (650±10) ℃回火+70 min保温空冷 |
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| 试验编号 | 屈服强度Rel /MPa | 抗拉强度Rm /MPa | 断后伸长率 /% |
| 1# | 411 | 591 | 28.5 |
| 416 | 594 | 25.0 |
| 2# | 582 | 727 | 25.0 |
| 600 | 715 | 22.5 |
| 3# | 504 | 679 | 24.0 |
| 512 | 691 | 26.5 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 |
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轧态及热处理后力学性能及标准要求
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| 试验编号 | 屈服强度Rel /MPa | 抗拉强度Rm /MPa | 断后伸长率 /% |
| 1# | 411 | 591 | 28.5 |
| 416 | 594 | 25.0 |
| 2# | 582 | 727 | 25.0 |
| 600 | 715 | 22.5 |
| 3# | 504 | 679 | 24.0 |
| 512 | 691 | 26.5 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 |
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| 试验编号 | 平均值 |
| 1# | 141 |
| 2# | 201 |
| 3# | 236 |
| 标准要求 | ≥34 |
), ArticleFig(id=1200024822597120320, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, language=CN, label=表6, caption=
轧态及热处理后冲击功及标准要求 J
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| 试验编号 | 平均值 |
| 1# | 141 |
| 2# | 201 |
| 3# | 236 |
| 标准要求 | ≥34 |
), ArticleFig(id=1200024822714560836, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验编号 | Pb | Sn | As | Sb | Bi | 总量 |
| 1# | 0.002 5 | 0.007 5 | 0.002 8 | 0.001 1 | 0.001 0 | 0.014 9 |
| 2# | 0.002 2 | 0.004 4 | 0.001 8 | 0.001 0 | 0.001 0 | 0.010 4 |
| 3# | 0.001 2 | 0.004 5 | 0.002 8 | 0.001 7 | 0.001 0 | 0.011 2 |
| 4# | 0.001 8 | 0.004 9 | 0.003 8 | 0.001 8 | 0.001 0 | 0.013 3 |
| 5# | 0.001 7 | 0.005 3 | 0.003 6 | 0.001 2 | 0.001 1 | 0.012 9 |
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五害元素控制 %
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| 试验编号 | Pb | Sn | As | Sb | Bi | 总量 |
| 1# | 0.002 5 | 0.007 5 | 0.002 8 | 0.001 1 | 0.001 0 | 0.014 9 |
| 2# | 0.002 2 | 0.004 4 | 0.001 8 | 0.001 0 | 0.001 0 | 0.010 4 |
| 3# | 0.001 2 | 0.004 5 | 0.002 8 | 0.001 7 | 0.001 0 | 0.011 2 |
| 4# | 0.001 8 | 0.004 9 | 0.003 8 | 0.001 8 | 0.001 0 | 0.013 3 |
| 5# | 0.001 7 | 0.005 3 | 0.003 6 | 0.001 2 | 0.001 1 | 0.012 9 |
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| 试验批次 | 屈服强度Rel/MPa | 抗拉强度Rm/MPa | 断后伸长率/% | 冲击功平均值KV2(-20 ℃,全尺寸)/J |
| 1 | 468 | 632 | 29.5 | 222 |
| 482 | 624 | 28.0 | 234 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 | ≥34 |
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热处理试验性能及标准要求
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| 试验批次 | 屈服强度Rel/MPa | 抗拉强度Rm/MPa | 断后伸长率/% | 冲击功平均值KV2(-20 ℃,全尺寸)/J |
| 1 | 468 | 632 | 29.5 | 222 |
| 482 | 624 | 28.0 | 234 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 | ≥34 |
), ArticleFig(id=1200024823062688080, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验批次 | 屈服强度Rel/MPa | 抗拉强度Rm/MPa | 断后伸长率/% | 冲击功平均值KV2(-20 ℃,全尺寸)/J |
| 2 | 538 | 665 | 22.5 | 205 |
| 544 | 671 | 23.0 | 219 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 | ≥34 |
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热处理制度优化后性能及标准要求
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| 试验批次 | 屈服强度Rel/MPa | 抗拉强度Rm/MPa | 断后伸长率/% | 冲击功平均值KV2(-20 ℃,全尺寸)/J |
| 2 | 538 | 665 | 22.5 | 205 |
| 544 | 671 | 23.0 | 219 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 | ≥34 |
), ArticleFig(id=1200024823234654552, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验批次 | 屈服强度Rel/MPa | 抗拉强度Rm/MPa | 断后伸长率/% | 冲击功平均值KV2(-20 ℃,全尺寸)/J |
| 3 | 534 | 663 | 24.0 | 240 |
| 550 | 683 | 22.0 | 246 |
| 4 | 501 | 647 | 24.0 | 240 |
| 528 | 656 | 25.0 | 232 |
| 5 | 509 | 638 | 24.0 | 212 |
| 511 | 641 | 24.0 | 218 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 | ≥34 |
), ArticleFig(id=1200024823326929244, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810029193884038, language=CN, label=表10, caption=
批量化工业生产性能及标准要求
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| 试验批次 | 屈服强度Rel/MPa | 抗拉强度Rm/MPa | 断后伸长率/% | 冲击功平均值KV2(-20 ℃,全尺寸)/J |
| 3 | 534 | 663 | 24.0 | 240 |
| 550 | 683 | 22.0 | 246 |
| 4 | 501 | 647 | 24.0 | 240 |
| 528 | 656 | 25.0 | 232 |
| 5 | 509 | 638 | 24.0 | 212 |
| 511 | 641 | 24.0 | 218 |
| 标准要求 | ≥460 | 550~720 | ≥17.0 | ≥34 |
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