[1]周 岩.中俄东线用大壁厚螺旋埋弧焊管预精焊工艺研究[J].焊管,2017,40(10):31-35.[doi:10.19291/j.cnki.1001-3938.2017.10.005]
 ZHOU Yan.Research on Two-step Welding Process of Thick Wall SAWH Pipe Used for Russia-China Eastern Route[J].,2017,40(10):31-35.[doi:10.19291/j.cnki.1001-3938.2017.10.005]
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中俄东线用大壁厚螺旋埋弧焊管
预精焊工艺研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
40
期数:
2017年第10期
页码:
31-35
栏目:
应用与开发
出版日期:
2017-10-28

文章信息/Info

Title:
Research on Two-step Welding Process of Thick Wall SAWH Pipe Used for
Russia-China Eastern Route
文章编号:
10.19291/j.cnki.1001-3938.2017.10.005
作者:
周 岩
 中油宝世顺(秦皇岛)钢管有限公司, 河北 秦皇岛 066206
Author(s):
ZHOU Yan
 Zhongyou BSS(Qinhuangdao) Petroleum Steel Pipe Co., Ltd., Qinhuangdao 066206, Hebei, China
关键词:
X80螺旋埋弧焊管预精焊焊缝
Keywords:
X80 SAWH pipe two-step welding weld
分类号:
TE973
DOI:
10.19291/j.cnki.1001-3938.2017.10.005
文献标志码:
A
摘要:
为了保证中俄东线天然气管道的正常生产,采用预精焊工艺试制了X80钢级Φ1 422 mm×21.4 mm大壁厚螺旋埋弧焊管,并对其焊缝力学性能、冲击韧性、显微硬度、化学成分和微观组织特征进行了分析。结果表明,预焊焊缝微观组织为板条马氏体,精焊内、外焊缝微观组织为针状铁素体+少量珠光体,焊缝边缘整齐美观,脱渣良好,能够消除内焊“马鞍形”焊缝。试验结果表明,试制的螺旋埋弧焊管各项性能指标完全满足中俄东线大壁厚天然气管道的生产技术条件,为X80钢级Φ1 422 mm×21.4 mm大壁厚螺旋埋弧焊管的生产提供参考。
Abstract:
In order to ensure normal production of Russia-China eastern route natural gas pipeline,X80 grade Φ1 422 mm×21.4 mm thick wall SAWH pipe was trial-produced by two-step welding process,and the mechanical property,impact toughness,microhardness, chemical composition and microstructure of weld were analyzed. The results showed that,the microstructure of prewelding weld was lath martensite,the microstructure of inside and outside weld were acicular ferrite and a little pearlite,the weld edge was smooth with good slag detachability,and the saddle-shape weld was eliminated. According to the results the performance index of trial-produced SAWH pipe could completely meet the production specifications of Russia-China eastern route thick wall natural gas pipeline,which could provide the reference for X80 grade Φ1 422 mm×
21.4 mm thick wall SAWH pipe production.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期:2017-07-19

作者简介:周  岩(1984—),男,焊接工程师,研究方向为油气管材开焊接工艺及生产,发表论文3篇。

更新日期/Last Update: 2017-12-11