[1]刘 斌,韦 奉,赵 勇,等.X80 钢级Ф1 422 mm×38.5 mm大壁厚直缝埋弧焊管的开发及性能研究[J].焊管,2021,44(1):1-8.[doi:10.19291/j.cnki.1001-3938.2021.01.001]
 LIU Bin,WEI Feng,ZHAO Yong,et al.Development and Performance Study of X80 Φ1 422 mm×38.5 mm Thick Wall SAWL Pipe[J].,2021,44(1):1-8.[doi:10.19291/j.cnki.1001-3938.2021.01.001]
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X80 钢级Ф1 422 mm×38.5 mm大壁厚直缝埋弧焊管的开发及性能研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
第44卷
期数:
2021年第1期
页码:
1-8
栏目:
试验与研究
出版日期:
2021-01-28

文章信息/Info

Title:
Development and Performance Study of X80 Φ1 422 mm×38.5 mm Thick Wall SAWL Pipe
文章编号:
10.19291/j.cnki.1001-3938.2021.01.001
作者:
刘 斌韦 奉赵 勇牛 辉王 琴
1. 宝鸡石油钢管有限责任公司 钢管研究院,陕西 宝鸡 721008;
2. 国家石油天然气管材工程技术研究中心,陕西 宝鸡721008;
3. 中国石油西部管道公司,乌鲁木齐830000
Author(s):
LIU Bin WEI Feng ZHAO Yong NIU Hui WANG Qin
1. Steel Pipe Research Institute, Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China;
2. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;
3. Petrochina West Pipeline Company, Urumchi 830000, China
关键词:
X80大壁厚大直径直缝埋弧焊管
Keywords:
X80 thick wall large diameter SAWL pipe
分类号:
TG445
DOI:
10.19291/j.cnki.1001-3938.2021.01.001
文献标志码:
A
摘要:
针对大壁厚直缝焊管的技术要求,通过对焊接、扩径等制造工艺的研究,开发出了X80钢级 Φ1 422 mm×38.5 mm直缝埋弧焊管,并掌握了“钢板-钢管”的性能变化规律。对焊管进行性能检验,结果表明,焊管管体屈服强度平均值为619~643 MPa,抗拉强度平均值为692~701 MPa,屈强比平均值为0.89~0.92,-22 ℃时DWTT剪切面积平均值为90%~94%;-10 ℃时管体冲击功平均值为401 J,焊缝冲击功平均值为165 J,热影响区冲击功平均值为294 J。其各项性能均满足Q/SY XG 0120.4—2019《西气东输四线天然气管道工程用X80级直缝埋弧焊管技术条件》和《D1 422 mm×38.5 mm管材单炉试制程序及要求》的要求。这将为该焊管产品后续工业化生产提供技术支撑。
Abstract:
According to the technical requirements of thick wall submerged arc welded longitudinal (SAWL) pipe, the X80 Φ1 422 mm×38.5 mm SAWL pipe was developed through the research on the welding, expansion and other manufacturing processes. Moreover, changing rules of mechanical performance of plate-pipe have been mastered. Through the performance test of welding pipe, results showed that the average yield strength of welded pipe is between 619~643 MPa, the average tensile strength is between 692~701 MPa, the average yield ratio is between 0.89~0.92, and the average DWTT shear area is between 90%~94% at -22 ℃. The average impact energy of welded pipe is 401 J at -10 ℃, the average impact energy of weld is 165 J, and the average impact energy of HAZ is 294 J. Various performance indicators can meet requirements of Q/SY XG 0120.4—2019 Technical Specifications for X80 SAWL Line Pipes Used in Fourth West-east Gas Pipeline Project and Single Furnace Trial Production Procedures and Requirements of D1 422 mm×38.5 mm Line Pipe. It can provide technical support for the subsequent industrial production of the welded pipe.

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备注/Memo

备注/Memo:
基金项目: 国家重点研发计划项目“特宽幅X80低温管线钢钢板制造技术”(项目编号2017YFB0304902)
作者简介:刘 斌(1984—),男,硕士,主要从事高钢级大直径埋弧焊管焊接工艺研究及产品开发工作。
收稿时间:2020-10-22
更新日期/Last Update: 2021-03-16