[1]陈小伟,王 旭,王立柱,等.X80管线钢焊接热影响区软化问题研究[J].焊管,2017,40(6):1-8.[doi:10.19291/j.cnki.1001-3938.2017.06.001]
　CHEN Xiaowei,WANG Xu,WANG Lizhu,et al.X80 Pipeline Steel Welding Heat Affected Zone Softening Research[J].,2017,40(6):1-8.[doi:10.19291/j.cnki.1001-3938.2017.06.001]
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X80管线钢焊接热影响区软化问题研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
40
期数:
2017年第6期
页码:
1-8
栏目:
试验与研究
出版日期:
2017-06-28

文章信息/Info

Title:
X80 Pipeline Steel Welding Heat Affected Zone Softening Research
文章编号:
10.19291/j.cnki.1001-3938.2017.06.001
作者:
陈小伟1; 王 旭1; 王立柱1; 刘鉴卫1; 杨 魁1; 李国鹏2
1. 渤海装备巨龙钢管公司， 河北 青县 062658；
2. 渤海装备钢管设计研究院， 河北 青县 062658
Author(s):
CHEN Xiaowei1;  WANG Xu1;  WANG Lizhu1;  LIU Jianwei1;  YANG Kui1;  LI Guopeng2
1. Bohai Equipment Julong Steel Pipe Co., Ltd., Qingxian 062658, Hebei, China;
2. Bohai Equipment Steel Pipe Research Institute, Qingxian 062658, Hebei, China
关键词:
X80管线钢; HAZ软化; 合金设计; 焊接热输入
Keywords:
X80 pipeline steel;  welding HAZ softening;  alloy design;  welding heat input
分类号:
TG406
DOI:
10.19291/j.cnki.1001-3938.2017.06.001
文献标志码:
A
摘要:
为了提高管线钢焊接热影响区组织性能，控制热影响区软化问题，分析了当前超低碳微合金X80直缝埋弧焊管焊接热影响区的软化现象，以及热影响区软化导致的弯曲开裂等质量问题。采用焊接热模拟及批量生产检验数据统计分析等方法，研究了影响X80管线钢焊接热影响区软化的因素。研究结果表明，母材合金元素、焊接热输入、母材强度以及三者之间的匹配是影响焊接热影响区软化的关键因素。指出，母材合金设计应考虑焊后热影响区的强度，母材强度应与热影响区强度相匹配。
Abstract:
In order to improve the structure performance of pipeline steel welding heat affected zone, control the softening of problem of heat affected zone, in this article, it analyzed the softening phenomenon of current ultra-low carbon microalloy X80 pipeline steel straight seam submerged arc welded pipe welding heat affected zone, as well as bending cracking caused by HAZ softening, and other quality problems. It adopted the methods of welding thermal simulation and mass production test data analysis to study the factors affecting HAZ softening. The results showed that the base metal alloy elements, welding heat input, base metal strength and the matching of the above three factors are the key factors of affecting HAZ softening. The improvement method was proposed, which is that the base metal alloy design should consider the strength of HAZ after welding, and the strength of base metal should match the strength of HAZ. At the same time, It should accelerate the development of low heat input welding technology.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2017－03－28
作者简介： 陈小伟（1977—）， 男， 工学博士， 高级工程师， 中石油高级技术专家， 主要从事高钢级管线钢及直缝埋弧焊管的研发和制造工作。
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