[1]许晓锋,秦长毅,李 娜,等.X80高强度管线钢拉伸试验伸长率变化规律研究[J].焊管,2016,39(9):6-12.[doi:10.19291/j.cnki.1001-3938.2016.09.002]
 XU Xiaofeng,QIN Changyi,LI Na,et al.Study on Tensile Test Elongation Variation Law for X80 High Strength Pipeline Steel[J].,2016,39(9):6-12.[doi:10.19291/j.cnki.1001-3938.2016.09.002]
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X80高强度管线钢拉伸试验伸长率变化规律研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第9期
页码:
6-12
栏目:
试验与研究
出版日期:
2016-09-28

文章信息/Info

Title:
Study on Tensile Test Elongation Variation Law for X80 High Strength Pipeline Steel
文章编号:
10.19291/j.cnki.1001-3938.2016.09.002
作者:
许晓锋秦长毅李 娜蔺卫平梁明华李记科
中国石油集团石油管工程技术研究院, 西安 710077
Author(s):
XU Xiaofeng QIN Changyi LI Na LIN Weiping LIANG Minghua LI Jike
CNPC Tubular Goods Research Institute, Xi’an 710077, China
关键词:
X80管线钢伸长率变化规律Oliver公式
Keywords:
X80 pipeline steel elongation variation law Oliver formula
分类号:
TE113.25
DOI:
10.19291/j.cnki.1001-3938.2016.09.002
文献标志码:
A
摘要:
为了解决高强度管线钢拉伸试验伸长率换算遇到的问题,选用多种X80管线钢材料对其拉伸试验伸长率变化规律进行了研究。研究结果表明,基于碳素钢和低合金钢旧材料建立的Oliver公式仍适用于X80高强度管线钢,但材料系数不同。确立了X80管线钢拉伸试验伸长率变化公式,根据新的材料系数分析了对试验结果评判的影响,并提出了标准修订建议,提醒使用者注意该问题,避免可能产生的不良后果。
Abstract:
In view of the tensile test elongation conversion problems for high strength pipeline steel,several kinds of X80 pipeline steel materials were selected to conduct the study on the tensile test elongation variation law. The tests results showed that Oliver formula,which was established based on old carbon steel and low alloy steel material,is still applicable to X80 high strength pipeline steel but with different material coefficient. The tensile test elongation variation formula for X80 pipeline steel was established,the effect of the new material coefficient on the test result judgment was analyzed and revision suggestions for the standards were put forward. Reminded users pay attention to the problem, to avoid possible adverse consequences.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期:2016-04-19
基金项目:国家质检公益性行业科研专项经费资助(项目号201510205-03)。
作者简介: 许晓锋(1982—),男,硕士,高级工程师,2007年毕业于中国石油大学(华东)材料加工工程专业,现主要从事石油管材标准化工作。

 

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