[1]牛 辉,等.深海用X70高强度厚壁管线钢及焊管的开发[J].焊管,2018,41(2):1-6.[doi:10.19291/j.cnki.1001-3938.2018.02.001]
 NIU Hui,NIU Aijun,LIU Haizhang,et al.Development of X70 High Strength Thick Wall Pipeline Steel and Welded Pipe for Deep Sea[J].,2018,41(2):1-6.[doi:10.19291/j.cnki.1001-3938.2018.02.001]
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深海用X70高强度厚壁管线钢
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
41
期数:
2018年第2期
页码:
1-6
栏目:
试验与研究
出版日期:
2018-02-28

文章信息/Info

Title:
Development of X70 High Strength Thick Wall Pipeline Steel and Welded
Pipe for Deep Sea
文章编号:
10.19291/j.cnki.1001-3938.2018.02.001
作者:
牛 辉1 2牛爱军1 2刘海璋1 2黄晓辉1 2
1.国家石油天然气管材工程技术研究中心, 陕西 宝鸡 721008;
2. 宝鸡石油钢管有限责任公司 钢管研究院, 陕西 宝鸡 721008
Author(s):
NIU Hui12 NIU Aijun12 LIU Haizhang12 HUANG Xiaohui12
1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods,Baoji 721008,Shaanxi,China;
2. Research Institute of Steel Pipe,Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China
关键词:
管线钢焊管深海管线高强度厚壁
Keywords:
pipeline steel welded pipe deep-sea pipeline high strength heavy wall thickness
分类号:
TG115
DOI:
10.19291/j.cnki.1001-3938.2018.02.001
文献标志码:
A
摘要:
为了保证深海油气管线钢管的可靠运行,针对深海用管线钢及钢管性能的要求,通过采用低C、Nb、Ti微合金化和复合添加Ni、Mo等合金元素的成分设计和合理的管线钢热机械控制工艺(TMCP),开发出具有高强度、强低温韧性及良好焊接性能的X70钢级壁厚40.5 mm高强度深海用管线钢和小径厚比(D/t)的Φ762 mm×40.5 mm管线钢管。试验检测结果表明,钢管的强度、韧性、硬度等性能满足相关技术指标要求,具有良好的塑性变形能力和低温韧性。
Abstract:
In order to ensure the reliability service of deep-sea oil and gas pipeline steel pipe, aiming at the requirement of deep-sea pipeline performance,the X70 grade wall thickness 40.5 mm high strength deep-sea pipeline steel with high strength,strong toughness at low temperature and good welding performance was developed through composition design with low C,Nb,Ti micro alloying and composite additions of Ni,Mo and other alloy elements and pipeline steel reasonable thermal mechanical control process(TMCP). The X70 grade Φ762 mm×40.5 mm deep sea pipeline steel pipe with high strength,large wall thickness and small diameter to thickness ratio(D/t) was developed. The test results show that the strength,toughness and hardness of the test steel pipe meet the relevant technical requirements,and had good plastic deformation ability and low temperature toughness.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017-10-26
基金项目: 国家高技术研究发展计划(863)项目“深海高压油气输运高强厚壁管材关键技术研究”(项目编号2013AA09A219)。
作者简介: 牛 辉(1969—), 女, 汉, 高级工程师, 主要从事油气管材的新技术、 新产品、 新工艺、 新材料的研发工作。
更新日期/Last Update: 2018-03-22