[1]蔡文利,赵红波,张君,等.螺旋埋弧焊管焊接接头导向弯曲不合格原因分析[J].焊管,2023,46(12):72-76.[doi:10.19291/j.cnki.1001-3938.2023.12.012]
　CAI Wenli,ZHAO Hongbo,ZHANG Jun,et al.Discussion and Analysis on the Reasons for Unqualified Guiding Bending of SAWH Welding Joints[J].,2023,46(12):72-76.[doi:10.19291/j.cnki.1001-3938.2023.12.012]
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螺旋埋弧焊管焊接接头导向弯曲不合格原因分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第12期
页码:
72-76
栏目:
经验交流
出版日期:
2023-12-19

文章信息/Info

Title:
Discussion and Analysis on the Reasons for Unqualified Guiding Bending of SAWH Welding Joints
文章编号:
10.19291/j.cnki.1001-3938.2023.12.012
作者:
蔡文利; 赵红波; 张君; 张德瑞
1. 中国石油宝鸡石油钢管有限责任公司，陕西 宝鸡 721008； 2. 中油国家石油天然气管材工程技术研究中心有限公司，西安 710018
Author(s):
CAI Wenli;  ZHAO Hongbo;  ZHANG Jun;  ZHANG Derui
1. CNPC Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China; 2. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods Co., Ltd., Xi’an 710018, China
关键词:
螺旋埋弧焊管; 导向弯曲试验; 夹渣; 咬边; 热影响区软化; 过渡角
Keywords:
submerged?rc welded helical pipe;  guided bending test;  slag inclusion;  undercut;  heat affected zone softening;  transition angle
分类号:
TG441.7
DOI:
10.19291/j.cnki.1001-3938.2023.12.012
文献标志码:
B
摘要:
为了研究螺旋埋弧焊管导向弯曲不合格的原因，统计并分析了不同规格的螺旋埋弧焊管导向弯曲试验样本。统计分析结果表明，采集样本中存在不合格的原因主要与焊趾处存在缺欠、焊缝形貌控制不良、焊接工艺出现异常因素相关。进而从焊接缺欠、热影响区性能、焊缝形貌等方面对导向弯曲不合格的原因进行了研究，发现导致此次采集样本导向弯曲试验不合格的主要诱因为焊趾处存在缺欠、热影响区过度软化及过渡角控制不佳，并提出了相应的改进建议。
Abstract:
In order to study the causes of the unqualified guided bending of SAWH, different specifications of guided bending of SAWH test samples were statistically analyzed. The statistical results indicate that the main reasons for non conformities in the samples are defects at the weld toe, poor control of weld morphology, and abnormal welding process factors. Furthermore, a study was conducted on the reasons for the unqualified guided bending test from the aspects of welding defects, heat affected zone performance, and weld morphology. It was found that the main reasons for the unqualified guided bending test of the samples were defects at the weld toe, excessive softening of the heat affected zone, and poor control of the transition angle, and suggestions were proposed.

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备注/Memo

备注/Memo:
收稿日期：2022-08-25作者简介：蔡文利（1979—），女，工学学士，高级工程师，主要从事螺旋焊管焊接工艺与设备管理等方面工作。
更新日期/Last Update: 2023-12-26