[1]杜 伟,张京兵,魏亚秋,等.大壁厚海底管道用X65钢管性能均匀性研究[J].焊管,2013,36(2):32-34.[doi:1001-3938(2013)02-0032-03]
 DU Wei,ZHANG Jingbing,WEI Yaqiu,et al.Research on Inhomogeneity of X65 Steel Pipes Used for Submarine Pipeline with Heavy Wall Thickness[J].,2013,36(2):32-34.[doi:1001-3938(2013)02-0032-03]
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大壁厚海底管道用X65钢管性能均匀性研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第2期
页码:
32-34
栏目:
应用与开发
出版日期:
2013-02-28

文章信息/Info

Title:
Research on Inhomogeneity of X65 Steel Pipes Used for Submarine Pipeline with Heavy Wall Thickness
文章编号:
1001-3938(2013)02-0032-03
作者:
杜 伟12张京兵3魏亚秋12王耀光12
(1.中国石油集团石油管工程技术研究院,西安 710065;
2.北京隆盛泰科石油管科技有限公司,北京 100101;
3.中石油西南管道公司规划计划处,成都 610000)
Author(s):
DU Wei12 ZHANG Jingbing3 WEI Yaqiu12 WANG Yaoguang12
(1. CNPC Tubular Goods Research Institute, Xi’an 710065, China;
2. Beijing Longshine Oil Tubular Technology Co., Lcd., Beijing 100101, China;
3.CNPC Southwest Pipeline Company Planning Department, Chengdu 610000, China)
关键词:
关键词:大壁厚钢管海底管道均匀性厚度方向横向纵向
Keywords:
Key words: steel pipe with heavy wall thickness submarine pipeline inhomogeneity thickness direction transverse longitudinal
分类号:
TG142
DOI:
1001-3938(2013)02-0032-03
文献标志码:
A
摘要:
研究分析了大壁厚海底管道用X65钢管组织及性能的均匀性。结果表明:钢管表面及壁厚中心组织基本相同;壁厚中心处的母材强度、冲击韧性及硬度均低于表面,其中屈服强度低4 MPa,冲击韧性低70 J,硬度低10 HV10;不同方向上,钢管横向屈服强度及抗拉强度均高于纵向;冲击韧性比较,在-20 ℃以上横向与纵向冲击功十分相近,而在-60 ℃以下纵向冲击功高于横向冲击功。
Abstract:
The microstructure and performance inhomogeneity of X65 steel pipes used for submarine pipeline with heavy wall thickness were studied.The results showed that the pipe microstructure of surface and thickness center is similar, the strength, impact toughness and hardness of thickness center are lower than those of surface, in which yield strength is lower 4 MPa, impact toughness lower 70 J, and hardness lower 10 HV10 . The comparison results in different direction showed that transverse yield strength and tensile strength are higher than those of the longitudinal. The transverse and longitudinal impact toughness are close at -20 ℃ and above, and the longitudinal impact toughness is higher than that of transverse below -60 ℃ .

参考文献/References:

[1] DNV-OS-F101:2007,海底管线系统[S].
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[3] 杜则裕,张德勤,田志凌.低碳低合金钢焊缝金属的显微组织及其影响因素[J].钢铁,1999,34(12):67-71.
[4] 杜百平,李年,朱维斗.油(气)管用钢板的包辛格效应[J].机械工程材料,2006,30(02):13-15.
[5] 吕佐明,郑晓明.连铸板坯中心偏析对钢板组织和性能的影响[J].金属世界,2009(01):20 -24.
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[7] 李代钟. 钢中的非金属夹杂物[M].北京:科学出版社,1983.

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备注/Memo

备注/Memo:
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作者简介:杜伟(1982—), 男,毕业于北京科技大学,硕士研究生,主要从事石油管工程技术服务工作。
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