[1]刘刚伟,毕宗岳,牛 辉,等.X90高强度螺旋埋弧焊管组织性能研究[J].焊管,2015,38(10 ):9-13.[doi:1001-3938(2015)10-0009-05]
 LIU Gangwei,BI Zongyue,NIU Hui,et al.Study on Microstructure and Properties of High Strength X90 Grade SAWH Pipe[J].,2015,38(10 ):9-13.[doi:1001-3938(2015)10-0009-05]
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X90高强度螺旋埋弧焊管组织性能研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第10期
页码:
9-13
栏目:
试验与研究
出版日期:
2015-10-28

文章信息/Info

Title:
Study on Microstructure and Properties of High Strength X90 Grade SAWH Pipe
文章编号:
1001-3938(2015)10-0009-05
作者:
刘刚伟12毕宗岳12牛 辉12刘 斌12刘海璋12赵红波12杨耀彬12马 璇12
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):
LIU Gangwei 12 BI Zongyue12 NIU Hui12 LIU Bin12 LIU Haizhang12 ZHAO Hongbo12 YANG Yaobin12 MA Xuan12
1.Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;
2. Steel Pipe Research Institute, Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China
关键词:
螺旋埋弧焊管X90力学性能屈服强度显微组织硬度
Keywords:
SAWH pipe X90 mechanical properties yield strength microscopic structure hardness
分类号:
TG113
DOI:
1001-3938(2015)10-0009-05
文献标志码:
A
摘要:
对工业生产的X90管线钢及X90钢级1 219 mm×16.3 mm钢管成型、水压后的组织和力学性能进行了研究。结果表明,工业生产的X90管线钢微观组织主要以粒状贝氏体(GB)/贝氏体铁素体(BF)为主,并且心部组织中粒状贝氏体含量较高,而1/4处多以贝氏体铁素体为主;力学性能方面,卷板屈服强度Rp 0.2为623~651 MPa,钢管成型后Rp 0.2为542~568 MPa,钢管水压后Rp 0.2为635~657 MPa;另外,试验材料在厚度方向的硬度呈V形变化趋势。该试验结果为工业化生产X90钢管积累了一定的试验数据。
Abstract:
The mechanical properties and microstructure of industrially trial-produced X90 pipeline steel and two states (postforming, after-hydrostatic) of 1 219 mm×16.3 mm specification steel pipe, were investigated. The results showed that the microstructure of X90 pipeline steels consist of granular bainite(GB) and bainitic ferrite(BF),in addition the central part contains more GB, a quarter of position contains more BF. In the aspect of mechanical properties, the plate yield strength Rp0.2 was in range of 623~651 MPa, the yield strength Rp0.2 was in range of 542~568 MPa postforming, and was 635~657 MPa after hydrostatic testing. In addition, the hardness of experimental material in the thickness direction showed a trend of "V" type change. The results accumulated a certain amount of test data for X90 steel pipe industrialized production.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-02-05
基金项目:中国石油天然气股份有限公司科技项目“X90/X100 焊管开发及综合评价技术研究”(项目号2012E-2801-04)。
作者简介:刘刚伟(1986―), 男,工程师,硕士,主要从事油气输送管材研发工作。
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