[1]吕育栋,李志华,付彦宏.直缝埋弧焊管横向裂纹探伤分析[J].焊管,2012,35(7):53-57.[doi:1001-3938(2012)07-0053-05]
 LV Yu-dong,LI Zhi-hua,FU Yan-hong.Analysis on Transverse Crack Detection of SAWL Pipe[J].,2012,35(7):53-57.[doi:1001-3938(2012)07-0053-05]
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直缝埋弧焊管横向裂纹探伤分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第7期
页码:
53-57
栏目:
经验交流
出版日期:
2012-07-28

文章信息/Info

Title:
Analysis on Transverse Crack Detection of SAWL Pipe
文章编号:
1001-3938(2012)07-0053-05
作者:
吕育栋李志华付彦宏
(渤海装备巨龙钢管有限公司,河北 青县 062658)
Author(s):
LV Yu-dong LI Zhi-hua FU Yan-hong
(CNPC Bohai Equipment Manufacturing Co., Ltd., Julong Steel Pipe Co., Ltd.,Qingxian 062658, Hebei, China)
关键词:
关键词:直缝埋弧焊管焊缝横向裂纹无损探伤金相分析
Keywords:
Key words: SAWL pipe weld transverse crack nondestructive detection metallographic analysis
分类号:
TE973
DOI:
1001-3938(2012)07-0053-05
文献标志码:
B
摘要:
简要介绍了水柱式(射流)超声波探伤的工作方式及原理。分别采用手动超声波探伤、X射线拍片、荧光磁粉检查及金相分析等方法,对X65级?准 660 mm×12.7 mm直缝埋弧焊管生产过程中发现的焊缝横向裂纹进行了分析及识别。分析了横向裂纹的形成机理,并通过控制焊缝中S和P等有害杂质元素的含量,优化焊接工艺,做好焊接前原料(如板边坡口)的除锈等,改善焊接环境等措施,可有效防止和消除焊缝横向裂纹的产生,保证焊管焊缝质量。
Abstract:
In this article, it briefly introduced working method and principle of water column type(jet stream) ultrasonic inspection. For X65 ?准 660 mm×12.7 mm transverse cracks occurred in SAWL pipe production course, adopting manual ultrasonic detection, X-ray detection, magnetic particle detection and metallographic analysis to analyze and identify cracks. It analyzed formation mechanism of transverse crack, through controlling the content of harmful elements, such as S and P, optimized welding process, conducted descaling to raw material well before welding, such as plate edge groove, and improved welding environment, it can effectively prevent and eliminate weld transverse crack, to ensure weld quality.

参考文献/References:

[1] 强天鹏.全国特种设备无损检测人员资格考核统编教材[M] .北京:中国劳动社会保障出版社,2007.
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[3] 张文钺,周振丰.焊接冶金与金属焊接性[M] .2版.北京:机械工业出版社,1994.
[4] 张文钺.焊接冶金学[M] .北京:机械工业出版社,2004.
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备注/Memo

备注/Memo:
作者简介:吕育栋(1974—),男,河北青县人,工程师,主要从事直缝埋弧焊钢管的无损检测技术管理工作,持有中国无损检测学会UT,RT,MT高级资格证书。
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