[1]吴金辉,杨 超,荆松龙,等.Rp0.2代替Rt0.5进行管线钢屈服强度测量的可行性研究[J].焊管,2012,35(9):25-28.[doi:1001-3938(2012)09-0025-04]
 WU Jinhui,YANG Chao,JING Songlong,et al.Study on the Feasibility of Using Rp0.2 Instead of Rt0.5 to Measure the Yield Strength of Pipeline Steel[J].,2012,35(9):25-28.[doi:1001-3938(2012)09-0025-04]
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Rp0.2代替Rt0.5进行管线钢屈服强度测量的可行性研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第9期
页码:
25-28
栏目:
试验与研究
出版日期:
2012-09-28

文章信息/Info

Title:
Study on the Feasibility of Using Rp0.2 Instead of Rt0.5 to Measure the Yield Strength of Pipeline Steel
文章编号:
1001-3938(2012)09-0025-04
作者:
吴金辉12杨 超3荆松龙4朱玉莲5王树人6王高峰12李富强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.中国石油化工股份有限公司天然气分公司物资装备部,北京 100120;
4.中国石油物资上海公司,上海 201103;
5.鞍钢股份有限公司质量检验中心,辽宁 鞍山114021;
6.宝鸡钢管辽阳钢管厂,辽宁 辽阳 111000)
Author(s):
WU Jinhui12YANG Chao3JING Songlong4ZHU Yulian5WANG Shuren6WANG Gaofeng12LI Fuqiang12
(1.CNPC Tubular Goods Research Institute, Xi’an 710065, China;
2. Beijing Longshine Oil Tubular Technology Co., Ltd., Beijing 100101, China;
3. SINOPEC Gas Company Procurement Management Dept., Beijing 100120, China;
4.CNPC Materials Company Shanghai Branch, Shanghai 201103, China;
5.Angang Steel Company Limited Quality Inspection Center, Anshan 114021, Liaoning, China;
6. Baoji Petroleum Steel Pipe Co., Ltd. Liaoyang Pipe Mill, Liaoyang 111000, Liaoning, China)
关键词:
管线钢Rp0.2Rt0.5弹性模量
Keywords:
pipeline steel Rp0.2 Rt0.5 elastic modulus
分类号:
TG115.5
DOI:
1001-3938(2012)09-0025-04
文献标志码:
A
摘要:
API SPEC 5L《管线钢管规范》和ISO/DIS 3183《石油天然气工业管线输送系统用钢管》明确提出了在钢级不高于X90时,使用Rt0.5作为材料的屈服强度;而当钢级高于X90时,Rp0.2则更适用于材料的屈服强度。但在管线钢及管线钢管实际的生产检验过程中,对于X65,X70和X80钢级的厚壁管线钢材料,由于受外在因素的影响,其测试结果有很大离散性,甚至已经严重影响到对结果的判定。探讨了采用Rp0.2代替 Rt0.5进行管线钢屈服强度测量的可行性,为有效消除外在因素对屈服强度试验结果的影响提供理论依据。
Abstract:
In API SPEC 5L Specification for Line Pipe and ISO/DIS3183 Petroleum and Natural Gas Industries—Steel Pipe for Pipeline Transportation Systems, it put forward Rt0.5 can be used as yield strength while pipeline steel grades ≤X90, and for grades>X90, Rp0.2 can be applied. However, the yield strength test results of X65, X70 and X80 grades pipeline steel with heavy thickness are seriously scattered due to the external factors; even it greatly affects judging result. In this paper, the feasibility of using Rp0.2 instead of Rt0.5 to measure the yield strength of pipeline steel was studied, which provides a theoretical basis for eliminating the influence of external factors on the yield strength test results.

参考文献/References:

[1] API SPEC 5L,Specification for Line Pipe(44th Edition)[S].
[2] ISO/DIS 3183,Petroleum and Natural Gas Industries—Steel Pipe for Pipeline Transportation Systems:2007(E)[S].
[3] 郑茂盛,周根树,赵新伟,等.现役油气管道安全性评价研究现状[J].石油工程建设,2004,30(01):1-6.
[4] 陈宏达,申昭熙,董保胜,等.管线钢管屈服强度测试试样的选择[J].焊管,2010,33(07):11-16.
[5] 田冀锋,刘小蛮,张永健.测试方法对测定金属材料屈服强度的影响及分析[J].实验室科学,2010(04):114-116.
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备注/Memo

备注/Memo:
作者简介:吴金辉(1983—),男,硕士,毕业于西安交通大学,主要从事油气输送管驻厂监造工作。
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