[1]韩秀林,李国鹏,张丽娜,等.X80直缝埋弧焊管制管前后拉伸性能的变化[J].焊管,2012,35(3):19-23.[doi:1001-3938(2012)03-0019-05]
 HAN Xiu-lin,LI Guo-peng,ZHANG li-na,et al.Study on the Tensile Property Before and After Forming of X80 SAWL Pipe[J].,2012,35(3):19-23.[doi:1001-3938(2012)03-0019-05]
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X80直缝埋弧焊管制管前后拉伸性能的变化
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第3期
页码:
19-23
栏目:
会议专辑
出版日期:
2012-03-28

文章信息/Info

Title:
Study on the Tensile Property Before and After Forming of X80 SAWL Pipe
文章编号:
1001-3938(2012)03-0019-05
作者:
韩秀林李国鹏张丽娜徐 斌
(渤海装备研究院钢管研究所,河北 青县 062658)
Author(s):
HAN Xiu-linLI Guo-pengZHANG li-na XU Bin
( Bohai Eguipment Research Institute Steel Pipe Research Institute,Qingxian 062658,Hebei,China)
关键词:
X80管线钢直缝埋弧焊管拉伸性能加工硬化
Keywords:
X80 pipeline steel SAWL pipe tensile property work hardening
分类号:
TG335.75
DOI:
1001-3938(2012)03-0019-05
文献标志码:
A
摘要:
通过对X80 级?准1 016 mm × 18.4 mm直缝埋弧焊管制管前后拉伸性能变化的研究,得出了其制管前后拉伸性能变化的一般规律。结合直缝埋弧焊管的制管过程分析认为,成型和扩径是制管前后拉伸性能变化的主要原因。对于X80直缝埋弧焊管,当扩径率为0.8%~1.2%时,既保证了钢管外观尺寸精度,又很好地控制了扩径后钢管的屈服强度和屈强比的上升幅度。扩径工艺后,钢管的屈服强度和抗拉强度都有所增加,且屈服强度的增加幅度要大于抗拉强度的增加幅度。
Abstract:
The general change rule of the tensile property of X80 ?准 1 016 mm×18.4 mm SAWL pipe before and after forming was studied. In combination with SAWL pipe manufacture, it considered that the forming and expansion are the main reasons caused tensile property change before and after forming. For X80 SAWL pipe, when the expansion rate is within 0.8%~1.2%, not only the dimensional precision of steel pipe is ensured, but also the increase range of yield strength and Y/T ratio of pipe after expansion is properly controlled. Moreover, both yield strength and tensile strength are increased after expansion, and the increase range of yield strength is greater than that of tensile strength.

参考文献/References:

[1] KNAUF G. Pipeline Safety Full Scale Behavior of High Strength Steels[C]∥Proceedings of Symposium on X80 Grade Steel and Linepipes. Beijing:[s.n.],2004:229-243.
[2] 吉玲康,谢丽华,杨肃,等.高钢级管线管试样形状对拉伸性能试验结果的影响[J].石油机械,2006,34(01):11-15.
[3] 孔君华,郭斌,刘昌明,等.高钢级管线钢X80的研制与发展[J].材料导板,2004,18(04):23-25.
[4] KNAUF G, HOHL G, KNOOP F M. The Effect of Specimen Type on Tensile Test Results and Its Implications for Linepipe Testing[J]. 3R International, 2001(S):655-661.
[5] 肖曙红.管线用直缝焊管机械扩径及其影响因素研究[J].石油机械,2007,35(03):1-4.

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备注/Memo

备注/Memo:
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作者简介:韩秀林(1971—),男,高级工程师,毕业于河北理工学院机械设计及制造专业,多年来一直从事焊管产品、技术、工艺的研发工作。
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