[1]张志明,潘小燕,何 勇,等.X80直缝埋弧焊管焊缝表面横向裂纹成因分析[J].焊管,2021,44(12):33-38.[doi:10.19291/j.cnki.1001-3938.2021.12.006]
 ZHANG Zhiming,PAN Xiaoyan,HE Yong,et al.Cause Analysis of Transverse Cracks on the Weld Surface of X80 SAWL Pipe[J].,2021,44(12):33-38.[doi:10.19291/j.cnki.1001-3938.2021.12.006]
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X80直缝埋弧焊管焊缝表面横向裂纹成因分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
第44卷
期数:
2021年第12期
页码:
33-38
栏目:
失效分析
出版日期:
2021-12-28

文章信息/Info

Title:
Cause Analysis of Transverse Cracks on the Weld Surface of X80 SAWL Pipe
文章编号:
10.19291/j.cnki.1001-3938.2021.12.006
作者:
张志明潘小燕何 勇李芳芳南 海汪 超
1. 渤海装备江苏钢管公司,南京 210001; 2. 河北华油一机图博涂层有限公司,河北 青县062658;3. 中国石油大庆炼化公司,黑龙江 大庆 163411; 4. 辽阳石化分公司,辽宁 辽阳 111003
Author(s):
ZHANG Zhiming PAN Xiaoyan HE Yong LI Fangfang NAN Hai WANG Chao
1. Bohai Equipment Jiangsu Steel Pipe Company, Nanjing 210001, China; 2. Hebei Huayouyiji Tuboscope Coating Co., Ltd., Qingxian 062658, Hebei, China; 3. Petrochina Daqing Refining & Petrochemical Company, Daqing 163411, Heilongjiang, China; 4. Liaoyang Petrochemical Company, Liaoyang 111003, Liaoning, China
关键词:
X80钢级直缝埋弧焊管焊缝横向裂纹热裂纹
Keywords:
X80 steel grade SAWL welded seam transverse crack hot crack
分类号:
TG445
DOI:
10.19291/j.cnki.1001-3938.2021.12.006
文献标志码:
B
摘要:
为了分析X80钢级Φ1 219 mm×22 mm直缝埋弧焊管焊缝表面横向裂纹的形成原因,通过无损检测、力学性能检测及显微组织观察,对裂纹附近焊缝及母材进行了分析。结果表明,直缝埋弧焊管焊缝横向裂纹是结晶热裂纹,在Ar3~Ar1温度区间焊缝冷却过程中因先共析铁素体和奥氏体在冷却过程中不同程度的变形而产生拉应力,此时低熔点单质铜在晶界仍以液态存在,是造成焊缝开裂的直接原因;焊丝镀铜厚度不均匀以及导电嘴、导电杆耐磨性差,共同产生铜或者铜合金粉末,经送丝机构进入焊接熔池,是造成焊缝裂纹的根本原因。焊接规程应提高自检清理频次,确保焊丝输送系统长时间工作产生的污染物无法造成实质危害。
Abstract:
In order to analyze the causes of transverse cracks on the weld surface of X80 steel grade Φ 1 219 mm × 22 mm SAWL pipe, weld and base metal near crack were analyzed by nondestructive testing, mechanical property testing and microstructure observation. The results show that the transverse crack of SAWL is a crystalline thermal crack. During the cooling process of weld in the temperature range from Ar3 to Ar1, tensile stress is generated due to the different cooling shrinkage deformation of eutectoid ferrite and austenite. The low melting point elemental Cu still exists in liquid at the grain boundary, which is the direct cause of weld cracking. Uneven copper plating thickness of welding wire and poor wear resistance of current contact nozzle and conductive rod produce Cu or copper alloy powder, which enters the welding pool through the wire feeder, which is the root cause of weld crack. The welding procedure shall improve the self inspection and cleaning frequency to ensure that the pollutants generated by the long-time operation of the welding wire conveying system can not cause any harm.

参考文献/References:

[1] 高惠临. 管线钢与管线钢管[M]. 北京:中国石化出版社,2012.[2] 李亚江. 焊接组织性能与质量控制[M]. 北京:化学工业出版社,2004.[3] 张淮,王成飞. 螺旋缝埋弧焊钢管内焊缝结晶裂纹分析[J]. 浙江冶金,2010(1):29-30.[4] 谷国华. Q235B焊管横裂原因分析[J]. 中国重型装备,2013(3):31-33,36.[5] 美国石油学会. 管线钢管规范(第46版):API SPEC 5L[S]. 华盛顿,美国:美国石油学会出版业务部,2018.[6] 中国石油天然气集团公司管材研究所. 天然气管道工程钢管技术规格书:CDP-S-NGP-PL-006-2019-4[S]. 北京:中石油管道有限责任公司,2019.[7] 全国石油天然气标准化技术委员会. 石油天然气工业管线输送系统用钢管:GB/T 9711—2017[S]. 北京:石油工业出版社,2017.[8] 美国材料与试验协会. 焊缝导向弯曲试验标准试验方法:ASTM E190—2014[S]. 西康舍霍肯,美国:美国材料与试验协会出版业务部,2014.[9] 郑辉,林树青. 超声检测[M]. 北京:中国劳动社会保障出版社,2008.[10] 宋志哲. 磁粉检测[M]. 北京:中国劳动社会保障出版社,2007.[11] 李晓旭,孙礼,杜健,等. X系列管线钢的力学性能和显微组织比较[J]. 管道技术与设备,2015(5):48-51.[12] 王斌,周翠,杨笠,等. L415M管线钢热煨弯管裂纹分析[J]. 金属热处理,2013,38(8):123-127.[13] 娄军魁,邓君,孙广辉,等. X65管线钢性能不合的原因分析及改进[J]. 企业技术开发,2015,34(5):89-90.[14] 张伟,刘雅政,宋仁伯,等. X65管线钢奥氏体动态再结晶规律研究[J]. 热加工工艺,2009(10): 55-57.[15] 张克修,吴金辉,王树人. X80螺旋埋弧焊管焊缝横向裂纹产生原因及预防措施[J]. 焊管,2010,33(8):10-13.

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备注/Memo

备注/Memo:
作者简介:张志明(1980—),硕士,高级工程师,现主要从事石油天然气输送管产品研发、制造以及质量控制工作。收稿日期:2021-07-12
更新日期/Last Update: 2022-01-04