[1]常永乐,等.高钢级螺旋埋弧焊管补焊工艺研究[J].焊管,2016,39(7):52-56.[doi:10.19291/j.cnki.1001-3938.2016.07.012]
 CHANG Yongle,YANG Jun,et al.Investigation on the Repair Welding Process of High Grade SAWH Pipe[J].,2016,39(7):52-56.[doi:10.19291/j.cnki.1001-3938.2016.07.012]
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高钢级螺旋埋弧焊管补焊工艺研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第7期
页码:
52-56
栏目:
工艺与设备
出版日期:
2016-07-28

文章信息/Info

Title:
Investigation on the Repair Welding Process of High Grade SAWH Pipe
文章编号:
10.19291/j.cnki.1001-3938.2016.07.012
作者:
常永乐1 3杨 军2 3权 勇3
1. 西安石油大学 材料科学与工程学院, 西安 710065;
2. 国家石油天然气管材工程技术研究中心, 陕西 宝鸡721008;
3. 宝鸡石油钢管有限责任公司, 陕西 宝鸡 721008
Author(s):
CHANG Yongle1 3 YANG Jun2 3 QUAN Yong3
1. School of Materials Science and Engineering, Xi’an Shiyou University, Xi’an 710065, China;
2. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;
3. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China
关键词:
螺旋埋弧焊管高钢级补焊微观组织
Keywords:
SAWH pipe high grade steel repair welding process microstructure
分类号:
TG407
DOI:
10.19291/j.cnki.1001-3938.2016.07.012
文献标志码:
B
摘要:
为了分析L555M钢级Φ1 219 mm×16 mm螺旋埋弧焊管补焊焊缝的性能,采用夏比冲击试验、显微硬度分析、焊缝全壁厚弯曲和拉伸试验对补焊焊缝的性能进行了对比研究。结果表明,J557低合金钢焊条和开发的补焊工艺完全适合于L555M钢级螺旋埋弧焊管焊缝缺陷的手工修补,且补焊焊缝各项性能均达到标准要求。补焊焊缝表层熔敷金属微观组织为先共析铁素体(PEF)+针状铁素体(AF)+少量珠光体(P),随着熔深的增加,组织转变为粗大PF+少量P。
Abstract:
The performance of repair welding seam of L555M steel grade Φ1 219 mm×16 mm SAWH pipe were comparatively investigated by V-notch Charpy impact toughness test, microhardness test, full thickness bending and tensile test. The results indicated that the low alloy steel welding rod with J557 brand and the developed repair welding process are completely suitable for weld defects manual repair of L555M steel grade SAWH pipe, and all the performance of the repair welding seam can meet the standard requirements. The microstructure of weld surface of deposited metal consist of proeutectoid ferrite(acronym PEF)+acicular ferrite(acronym AF)+a small amount of pearlite(acronym P), with increasing weld penetration,microstructure transformation for coarse PF + a small amount of P.

参考文献/References:

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备注/Memo

备注/Memo:
作收稿日期: 2016-04-12
者简介: 常永乐(1984—),男,工程师,在读西安石油大学材料科学与工程专业硕士,主要从事SSAW钢管质量管理工作,主要研究方向为SSAW钢管的工艺控制与技术管理。
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