Article(id=1201193878327095298, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1201193876590654455, articleNumber=1009-5438(2025)04-0030-07, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1743955200000, receivedDateStr=2025-04-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764316537695, onlineDateStr=2025-11-28, pubDate=1756051200000, pubDateStr=2025-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764316537695, onlineIssueDateStr=2025-11-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764316537695, creator=13701087609, updateTime=1764316537695, updator=13701087609, issue=Issue{id=1201193876590654455, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', 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=1764316537282, creator=13701087609, updateTime=1764316948844, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1201195602878100389, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1201193876590654455, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1201195602878100390, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1201193876590654455, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=30, endPage=36, ext={EN=ArticleExt(id=1201193878591336458, articleId=1201193878327095298, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Development of X52QH Grade Seamless Steel Pipe for Hydrogen Compressed Natural Gas Transportation, columnId=1187095652984042303, journalTitle=Science & Technology of Baotou Steel, columnName=Variety Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
The chemical compositions of X52QH seamless steel pipe for hydrogen compressed natural gas transportation are designed with microalloying design based on low carbon manganese steel. The results of laboratory studies and industrial trial productions showed that the pipe was with excellent low temperature toughness and strength, its microstructure was mainly bainite +ferrite, grain size of microstructure was grade 9.0 as well as low temperature impact energy at -90 ℃ of material was 200 J when the quenched-tempered heat treatment process of “910 ℃ quenching+640 ℃ tempering” was adopted. The CTOD (crack tip opening displacement) test (-10 ℃) results showed that crack tip opening displacement>0.9 mm (required to be≥0.254 mm). In the environments with and without hydrogen, the reduction of area and elongation of slow strain rate test materials are all over 90% so that they are with good crack extension resistance and hydrogen embrittlement resistance.
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采用微合金化设计,以低碳含锰钢为基础,设计掺氢天然气输送用X52QH钢级无缝钢管的化学成分。实验室研究及工业试制结果表明,采用“910 ℃淬火+640 ℃回火”调质热处理工艺,钢管具有优良的低温韧性及强度,显微组织以贝氏体+铁素体为主,组织晶粒度为9.0级,材料-90 ℃低温冲击功为200 J。CTOD(裂纹尖端张开位移)试验(-10 ℃)结果表明,裂纹尖端开口位移>0.9 mm(要求≥0.254 mm)。氢环境下与非氢环境下慢应变拉伸试验材料断面收缩率及延伸率比值均大于90%,材料均有良好的抗裂纹扩展、抗氢脆性能。
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余泽金(1981-),男,江西省九江市人,硕士,高级工程师,现从事无缝钢管新产品研究工作。
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余泽金(1981-),男,江西省九江市人,硕士,高级工程师,现从事无缝钢管新产品研究工作。
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余泽金(1981-),男,江西省九江市人,硕士,高级工程师,现从事无缝钢管新产品研究工作。
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X52QH钢级无缝钢管用钢CCT曲线 冷速从左到右依次是45 ℃/s、30 ℃/s、25 ℃/s、20 ℃/s、15 ℃/s、9 ℃/s、7 ℃/s、5 ℃/s、3 ℃/s、1 ℃/s、0.5 ℃/s
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回火后掺氢天然气输送用X52QH钢级无缝钢管显微组织照片, figureFileSmall=jbRc4P3l4s1IB/cYAD05aQ==, figureFileBig=ILJ5xPelTUsohkz7FeLgOA==, tableContent=null), ArticleFig(id=1201193884501111160, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1201193878327095298, language=EN, label=null, caption=null, figureFileSmall=dB/pWHRS/8lpCl3UD+VPZg==, figureFileBig=Bo3o2nVLwxiMpfryesSCtg==, tableContent=null), ArticleFig(id=1201193884643717502, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1201193878327095298, language=CN, label=图5, caption=
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掺氢天然气输送用X52QH钢级无缝钢管慢应变拉伸曲线, figureFileSmall=YPbkLcVy/jdD9uO1pZR4Mw==, figureFileBig=W5p7ZjVA0ZJUrlVLF1qVeg==, tableContent=null), ArticleFig(id=1201193884933124490, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1201193878327095298, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| C | Si | Mn | P | S | Nb+V+Ti | CEIIW |
| ≤0.12 | ≤0.40 | ≤1.35 | ≤0.010 | ≤0.003 | ≤0.12 | ≤0.19 |
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X52QH钢级无缝钢管化学成分要求(质量分数)%
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| C | Si | Mn | P | S | Nb+V+Ti | CEIIW |
| ≤0.12 | ≤0.40 | ≤1.35 | ≤0.010 | ≤0.003 | ≤0.12 | ≤0.19 |
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| Rt0.5/MPa | Rm /MPa | Rt0.5/Rm | A/% | 硬度HV10 | KV8(-10 ℃,横向)/J | 剪切面积比/% |
| 360~525 | 460~625 | ≤0.93 | ≥Amin | ≤230 | ≥94 | ≥85 |
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X52QH钢级无缝钢管力学性能要求
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| Rt0.5/MPa | Rm /MPa | Rt0.5/Rm | A/% | 硬度HV10 | KV8(-10 ℃,横向)/J | 剪切面积比/% |
| 360~525 | 460~625 | ≤0.93 | ≥Amin | ≤230 | ≥94 | ≥85 |
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| C | Si | Mn | P | S | Ti | Al |
| ≤0.12 | ≤0.30 | ≤1.35 | ≤0.010 | ≤0.003 | ≤0.020 | ≤0.045 |
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掺氢天然气输送用X52QH钢级无缝钢管的化学成分(质量分数)%
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| C | Si | Mn | P | S | Ti | Al |
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| Rt0.5/MPa | Rm/MPa | Rt0.5/Rm | A/% |
| 374 | 508 | 0.74 | 38 |
| 383 | 511 | 0.75 | 38 |
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掺氢天然气输送用X52QH钢级无缝钢管的力学性能
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| Rt0.5/MPa | Rm/MPa | Rt0.5/Rm | A/% |
| 374 | 508 | 0.74 | 38 |
| 383 | 511 | 0.75 | 38 |
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| 0 ℃ | -10 ℃ | -30 ℃ | -50 ℃ | -70 ℃ | -90 ℃ |
| 226,248,210 | 228,232,258 | 250,242,234 | 272,254,218 | 208,198,200 | 202,198,204 |
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掺氢天然气输送用X52QH钢级无缝钢管系列冲击功KV8(横向)J
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| 0 ℃ | -10 ℃ | -30 ℃ | -50 ℃ | -70 ℃ | -90 ℃ |
| 226,248,210 | 228,232,258 | 250,242,234 | 272,254,218 | 208,198,200 | 202,198,204 |
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| 内 | 中 | 外 |
| 145,147,146,149 | 144,146,143,144 | 144,143,141,142 |
| 158,158,161,157 | 148,152,149,145 | 146,141,141,144 |
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掺氢天然气输送用X52QH钢级无缝钢管硬度(HV10)
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| 内 | 中 | 外 |
| 145,147,146,149 | 144,146,143,144 | 144,143,141,142 |
| 158,158,161,157 | 148,152,149,145 | 146,141,141,144 |
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| 试样编号 | 裂纹敏感率 (CSR) | 裂纹长度敏 感率(CLR) | 裂纹厚度敏 感率(CTR) |
| 1 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 技术要求 | 0 | 0 | 0 |
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| 试样编号 | 裂纹敏感率 (CSR) | 裂纹长度敏 感率(CLR) | 裂纹厚度敏 感率(CTR) |
| 1 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 技术要求 | 0 | 0 | 0 |
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| 编号 | A粗 | A细 | B粗 | B细 | C粗 | C细 | D粗 | D细 |
| 1 | 0 | 0 | 0 | 0.5 | 0 | 0 | 0.5 | 0.5 |
| 2 | 0 | 0 | 0 | 0.5 | 0 | 0 | 0.5 | 1.0 |
| 用户要求 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
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掺氢天然气输送用X52QH钢级无缝钢管非金属夹杂物级
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| 编号 | A粗 | A细 | B粗 | B细 | C粗 | C细 | D粗 | D细 |
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| 2 | 0 | 0 | 0 | 0.5 | 0 | 0 | 0.5 | 1.0 |
| 用户要求 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
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| 编号 | 晶粒度 |
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| 用户要求 | ≥9.0 |
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| 编号 | 带状组织 |
| 1 | 0.5 |
| 2 | 0.5 |
| 用户要求 | ≤2 |
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掺氢天然气输送用X52QH钢级无缝钢管带状组织级
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| 编号 | 带状组织 |
| 1 | 0.5 |
| 2 | 0.5 |
| 用户要求 | ≤2 |
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| 编号 | 预制疲劳裂纹参数 | | CTOD试验 |
| 载荷比R | Kfmax /MPa·m1/2 | a0 /mm | 位移控制加载速率 /(mm·min-1) | Vp /mm | Fm /N | δm /mm |
| 1 | 0.1 | 24 | | 12.18 | 1 | 5.268 | 9 533 | 1.052 |
| 2 | 0.1 | 24 | | 12.56 | 1 | 4.753 | 8 335 | 0.906 |
| 3 | 0.1 | 24 | | 12.46 | 1 | 5.406 | 9 208 | 1.044 |
), ArticleFig(id=1201193886799589833, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1201193878327095298, language=CN, label=表11, caption=
掺氢天然气输送用X52QH钢级无缝钢管CTOD试验数据
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| 编号 | 预制疲劳裂纹参数 | | CTOD试验 |
| 载荷比R | Kfmax /MPa·m1/2 | a0 /mm | 位移控制加载速率 /(mm·min-1) | Vp /mm | Fm /N | δm /mm |
| 1 | 0.1 | 24 | | 12.18 | 1 | 5.268 | 9 533 | 1.052 |
| 2 | 0.1 | 24 | | 12.56 | 1 | 4.753 | 8 335 | 0.906 |
| 3 | 0.1 | 24 | | 12.46 | 1 | 5.406 | 9 208 | 1.044 |
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