[1]屈献永,胡松林,张曙华.X70M HFW焊管液压胀环法和平板拉伸法试验对比分析[J].焊管,2017,40(11):52-54.[doi:10.19291/j.cnki.1001-3938.2017.11.011]
 QU Xianyong,HU Songlin,ZHANG Shuhua.Contrastive Analysis on Hydraulic Ring Expansion Test Method and Flat Tensile Test Method for X70M HFW Pipe[J].,2017,40(11):52-54.[doi:10.19291/j.cnki.1001-3938.2017.11.011]
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X70M HFW焊管液压胀环法和平板拉伸法试验对比分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
40
期数:
2017年第11期
页码:
52-54
栏目:
经验交流
出版日期:
2017-11-28

文章信息/Info

Title:
Contrastive Analysis on Hydraulic Ring Expansion Test Method
 and Flat Tensile Test Method for X70M HFW Pipe
文章编号:
10.19291/j.cnki.1001-3938.2017.11.011
作者:
屈献永胡松林张曙华
 宝山钢铁股份有限公司, 上海 201900
Author(s):
QU Xianyong HU Songlin ZHANG Shuhua
关键词:
HFW焊管屈服强度液压胀环拉伸平板拉伸
Keywords:
HFW pipeyield strengthhydraulic ring expansion testflatten bar test
分类号:
TG115.5
DOI:
10.19291/j.cnki.1001-3938.2017.11.011
文献标志码:
B
摘要:
为了准确测量HFW焊管全管体真实屈服强度,设计并制造了液压胀环试验设备,测量了4种不同规格X70M HFW焊管的屈服强度,并与平板拉伸法测量的结果进行了对比。结果表明,无论用哪种测量方法,径厚比越大,HFW焊管的屈服强度越大,对应的屈强比也越大;液压胀环法测量的屈服强度比平板拉伸法测量的屈服强度高15~30 MPa;当应变<1%时,液压胀环法测得的应力比平板拉伸法测得的应力高
Abstract:
In order to accurately measure the true yield strength of full body of HFW pipe, hydraulic ring expansion equipment was designed and manufactured, and yield strength of 4 specifications X70M HFW welded pipe was measured and compared with the results measured by Flatten  Bar  test  method(FB). The results showed that no matter using which methods, the higher the diameter-thickness ratio, the higher the yield strength of HFW pipe and the yield ratio; the yield strength measured by Hydraulic Ring Expansion test method(RE) was 15~30 MPa higher than these measured by FB; when the strain was less than 1%, stress measured by RE was higher than these measured by FB.

参考文献/References:

[1] API SPEC 5L(第45版),管线钢管规范[S].
[2] GB/T 9711—2011,石油天然气工业管线输送系统用钢管[S].
[3] AS 2885.1—2012,Pipelines-gas and Liquid Petroleum Part 1:Design and Construction[S].
[4] 孙宏. 管线钢管拉伸试验的研究[J]. 钢管,2009,38(3):56-58.
[5] ASTM A370-12,钢产品力学性能试验方法和定义[S].
[6] GB/T 20568—2006/ISO 15363—2000,金属材料管环液压试验方法[S].
[7] AS 1855—2008,Methods for the Determination of Transverse Tensile Properties of Round Steel Pipe[S].
[8] AS 2193—2005,Calibration and Classification of Force-measuring Systems[S].
[9] 刘建红. 管道用胀环试样试验台主密封圈的设计[J]. 润滑与密封,2009,34(4):93-95.
[10] 王啸修. 一种检测钢管屈服强度的液压胀环试验装置:中国,CN201420188628.4[P]. 2014-10-29.

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备注/Memo

备注/Memo:
收稿日期:2017-08-23
作者简介: 屈献永(1981— ),男,工程师,现从事HFW焊管工艺技术研究工作。
更新日期/Last Update: 2017-12-11