[1]孙 宏,田 鹏,宗秋丽,等.低热输入多丝埋弧焊工艺研究[J].焊管,2016,39(4):65-68.[doi:10.19291/j.cnki.1001-3938.2016.04.014]
 Translated by SUN Hong,TIAN Peng,ZONG Qiuli,et al.Research for Multiple-electrode Submerged Arc Welding Process with Low Heat Input[J].,2016,39(4):65-68.[doi:10.19291/j.cnki.1001-3938.2016.04.014]
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低热输入多丝埋弧焊工艺研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第4期
页码:
65-68
栏目:
国外焊管
出版日期:
2016-04-28

文章信息/Info

Title:
Research for Multiple-electrode Submerged Arc Welding Process with Low Heat Input
文章编号:
10.19291/j.cnki.1001-3938.2016.04.014
作者:
孙 宏1田 鹏1宗秋丽1刘振伟1纪鹏蕊2 编译
1. 渤海装备华油钢管公司, 河北 青县 062658; 
2. 渤海装备巨龙钢管公司, 河北 青县 062658
Author(s):
Translated by SUN Hong1 TIAN Peng1 ZONG Qiuli1 LIU Zhenwei1 JI Pengrui2
1. North China Petroleum Steel Pipe Company of CNPC Bohai Equipment Manufacturing Co., Ltd., Qingxian 062658, Hebei, China;
2. Julong Steel Pipe Company of CNPC Bohai Equipment Manufacturing Co., Ltd., Qingxian 062658, Hebei, China
关键词:
管线钢管UOE低热输入埋弧焊焊丝
Keywords:
line pipe UOE low heat input submerged arc welding welding wire
分类号:
TG445
DOI:
10.19291/j.cnki.1001-3938.2016.04.014
文献标志码:
B
摘要:
研究开发出了一种新型高强度、大壁厚UOE钢管埋弧焊工艺。该工艺采用小直径焊丝作为多丝焊的前丝(第1丝),将焊接热输入降低25%,细化了热影响区原始奥氏体的晶粒尺寸,从而提高了API X65钢级大壁厚管线钢管焊缝热影响区的韧性。试验结果表明,该工艺可以实现焊接接头完全焊透,同时具有充足的熔敷金属,达到了与传统方法相同的熔深。通过超声波和射线检测,焊缝均未发现未焊透、夹渣等焊接缺陷,焊缝形貌良好。
Abstract:
It developed a new submerged arc welding(SAW) process for high-strength and heavy wall thickness UOE pipes.
A new SAW process which can reduce heat input of 25% due to its high deposition rate and deep penetration is performed with multiple electrode SAW using small diameter welding wire on lead electrode. The results show that improvement of heat affected zone(HAZ) toughness in seam welding on API X65 heavy wall linepipe and refinement of prior austenite grain size in HAZ was achieved in order to reduce its heat input by the new process. This process can achieve full penetration of welded joint, has plenty of deposited metal, which can obtain the same penetration as the traditional method. By ultrasonic and X-ray testing, not found defects in weld such as lack of penetration, slag and so on, the weld appearance is good.

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备注/Memo

备注/Memo:
作收稿日期: 2016-01-20
者简介: 孙   宏(1974—), 男, 高级工程师, 工程硕士, 主要从事石油输送钢管材料与试验技术工作。
更新日期/Last Update: