[1]吕燕青,李东,熊培培,等.海上浮吊用Q690E直缝埋弧焊钢管工艺研究[J].焊管,2010,33(4):45-49.[doi:1001-3938(2010)04-0045-05]
 Lu Yan-qing,LI Dong,XIONG Pei-pei,et al.The Technical Study on Q690E SAWL Steel Pipe Used in Marine Floating Crane[J].,2010,33(4):45-49.[doi:1001-3938(2010)04-0045-05]
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海上浮吊用Q690E直缝埋弧焊钢管工艺研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
33
期数:
2010年第4期
页码:
45-49
栏目:
工艺与设备
出版日期:
2010-04-28

文章信息/Info

Title:
The Technical Study on Q690E SAWL Steel Pipe Used in Marine Floating Crane
文章编号:
1001-3938(2010)04-0045-05
作者:
吕燕青李东熊培培高国梁任虎刘分社韦再生鲍邦兴
(江苏玉龙钢管股份有限公司,江苏 无锡 214183)
Author(s):
Lu Yan-qingLI DongXIONG Pei-peiGAO Guo-liangREN HuLIU Fen-sheWEI Zai-shengBAO Bang-xing
(Jiangsu Yulong Steel Pipe Co.,Ltd.,Wuxi 214183,Jiangsu,China)
关键词:
直缝埋弧焊钢管Q690E调质钢焊接工艺成型工艺整形工艺
Keywords:
SAWL steel pipeQ690E quenched and tempered steelwelding processforming processshaping process
分类号:
TE973
DOI:
1001-3938(2010)04-0045-05
文献标志码:
A
摘要:
对海上浮吊用Q690E调质钢直缝埋弧焊钢管的生产工艺进行了试验研究,结果表明,钢板的化学成分、组织及热处理状态对钢管的焊接性影响较大。采用单丝多层多道埋弧焊,严格控制线能量,并采取焊前预热、控制层间温度、焊后保温缓冷等工艺措施,可获得良好的性能。钢管反复整圆对焊接接头性能有较大影响,使焊缝强度升高,韧性下降。通过优化预弯和折弯工艺,提高成型管的圆度,减少整圆量,可有效地减小整圆对钢管性能的影响。
Abstract:
The manufacturing technique of Q690E SAWL steel pipe used in marine floating crane was experimented in this paper.The results showed that the chemical composition,microstructure and heat treatment condition of steel plate greatly influenced welding performance.Good performance has been obtained by using single wire multi-layer multi-pass submerged arc welding,strictly controlling the energy input,preheating before welding,controlling interpass temperature and holding temperature after welding.The properties of welding joint was affected by repeated completing circle which enhance weld strength and reduce toughness.By means of optimizing prebending and bending process to enhance the roundness of the shaped pipe,decrease complete circle, and the influence on steel pipe properties could be effectively reduced.

参考文献/References:

[1]陈祝年.焊接工程师手册[M].北京:机械工业出版社,2008.
[2]中国机械工程学会焊接学会. 焊接手册第2卷[M].北京:机械工业出版社,2008.
[3]王勇.低合金调质高强钢焊接工艺研究进展[J].应用能源技术,2009(8):11-13.

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备注/Memo

备注/Memo:
作者简介:吕燕青(1975-),男,毕业于上海交通大学,工程师,现为江苏玉龙钢管股份有限公司副总经理。
收稿日期:2009-12-21
更新日期/Last Update: