[1]王长安,高建忠,谢勇,等.试样制备过程对高钢级输送管管体拉伸性能的影响[J].焊管,2009,32(8):59-62.[doi:1001－3938（2009）08－0059－04]
　WANG Chang-an,GAO Jian-zhong,XIE Yong,et al.Influence of Specimen Preparation on Tensile Test of High Grade Line Pipe Body[J].,2009,32(8):59-62.[doi:1001－3938（2009）08－0059－04]
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试样制备过程对高钢级输送管管体拉伸性能的影响
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
32
期数:
2009年第8期
页码:
59-62
栏目:
经验交流
出版日期:
2009-08-28

文章信息/Info

Title:
Influence of Specimen Preparation on Tensile Test of High Grade Line Pipe Body
文章编号:
1001－3938（2009）08－0059－04
作者:
王长安1; 高建忠1; 谢勇1; 牛虎乾2
（1.中国石油天然气集团公司管材研究所，西安 710065;2.宝鸡石油钢管有限责任公司，陕西 宝鸡 721008）
Author(s):
WANG Chang-an1; GAO Jian-zhong1; XIE Yong1; NIU Hu-qian2
(1.Tubular Goods Research Center of CNPC,Xi’an 710065,China;2.Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China)
关键词:
直缝埋弧焊管; 屈服强度; 屈强比; 应变时效
Keywords:
LSAW pipe; yield strength; yield/tensile ratio; strain aging
分类号:
TG113.25
DOI:
1001－3938（2009）08－0059－04
文献标志码:
B
摘要:
针对高钢级输送管管体拉伸性能试验中发现的异常值和异常曲线，分析了试样制备过程对试验结果的影响，认为应变时效是造成管体拉伸试验结果异常的主要原因。对X80钢级直缝埋弧焊管管体的应变时效行为进行了试验模拟，结果与分析相吻合。最后，通过严格控制试样制备程序和加工条件，消除了应变时效对试验结果的不利影响。
Abstract:
Focusing on the doubtable results and abnormal stress-strain curves in the tensile test of high grade line pipe body,the effect on test results of sample preparation process was analyzed,and it is considered that strain aging was the main reason caused pipe body tensile test result abnormal.Then the strain aging behavior of X80 grade LSAW pipe body was conducted a test simulation and the result coincide with the former analysis.Finally,the procedure and conditions during the specimen preparation were strictly controlled and the strain aging effect on tensile test results was obviously eliminated.

参考文献/References:

［1］API SPEC 5L:44th Edition，Specification for Line Pipe［S］.
［2］Q/SY GJX 0104—2007，西气东输二线管道工程用直缝埋弧焊管技术条件［S］.
［3］黄志潜.X80管线钢在高压大流量输气管道上的应用与发展前景［J］.焊管,2005,28(2):1-10.
［4］王树人,崔志新.管线钢Rt 0.5的测量误差分析［J］.焊管,2005,28(1):54-56.
［5］刘栋池,张晨鹏,王晓香,等.内外涂层防腐工艺对高钢级管线钢钢管力学性能的影响［J］.焊管,2007,30(1):38-41.
［6］N0BUYUKI.Development of High Strength Linepipes with ExceHent Deformability［C］∥Seminar of X100/X120 Grade High Performance Pipe Stee1.Beijing:［s.n.］,2005.
［7］周泽华.金属切削原理［M］.上海:上海科学技术出版社,1984:77-78.

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备注/Memo

备注/Memo:
作者简介：王长安（1966-），男，高级工程师，西安交通大学材料科学与工程专业硕士研究生，现在中国石油天然气集团公司管材研究所从事油气输送管驻厂监造与技术服务工作。
收稿日期：2009－01－15
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