[1]田小江,罗卓辉,马佼佼,等.N80膨胀管热处理工艺研究[J].焊管,2014,37(11):47-51.[doi:1001-3938(2014)11-0047-05]
 TIAN Xiaojiang,LUO Zhuohui,MA Jiaojiao,et al.Research on Heat Treatment Process of N80 Expandable Tube[J].,2014,37(11):47-51.[doi:1001-3938(2014)11-0047-05]
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N80膨胀管热处理工艺研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第11期
页码:
47-51
栏目:
工艺与设备
出版日期:
2014-11-28

文章信息/Info

Title:
Research on Heat Treatment Process of N80 Expandable Tube
文章编号:
1001-3938(2014)11-0047-05
作者:
田小江123罗卓辉4马佼佼23梁 航23
(1. 西安石油大学 材料科学与工程学院,西安 710065;
2. 国家石油天然气管材工程技术研究中心,陕西 宝鸡 721008;
3. 宝鸡石油钢管有限责任公司,陕西 宝鸡721008;
4. 中国石油天然气集团公司,北京 100007)
Author(s):
TIAN Xiaojiang123LUO Zhuohui4 MA Jiaojiao23 LIANG Hang23
(1. School of Materials Science and Engineering,Xi’an Shiyou University,Xi’an 710065,China;
2. National Petroleum and Gas Tubular Goods Engineering Research Center,Baoji 721008,Shaanxi,China;
3. Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China;
4. China National Petroleum Corporation, Beijing 100007, China)
关键词:
焊管N80膨胀管热处理显微组织力学性能
Keywords:
welded pipeN80 expandable tubeheat treatmentmicrostructuremechanical properties
分类号:
TG162.8
DOI:
1001-3938(2014)11-0047-05
文献标志码:
A
摘要:
对N80膨胀管坯在不同淬火、回火温度下通过光学显微镜,扫描电镜和力学性能试验研究了热处理工艺对N80膨胀管坯显微组织及力学性能的影响。结果表明:淬火、回火的温度及其保温时间的选择对材料的组织性能均有较大的影响。通过“淬火温度(略高于材料的Ac3转变点)+回火温度(略低于A1转变点)”热处理工艺可使得钢管在满足基本强度性能要求的同时,均匀延伸率还能稳定保持在9%以上的水平,实现良好的强塑性匹配。
Abstract:
The influence of heat treatment process on microstructure and mechanical properties of N80 expandable tube billet was studied, through optical microscope, scanning electron microscopy and mechanical properties tests under different quenching and tempering temperature. The results indicated that the temperature of quenching and tempering and the selection of holding time have a great influence on microstructure and properties of the material. By “quenching temperature (slightly above Ac3 transition point) + tempering temperature (slightly lower than A1 transition point)” heat treatment process can make steel pipe meet the basic strength properties requirement, meanwhile, the uniform elongation can keep more than 9% level stably, to achieve a good strong plastic matching.

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备注/Memo

备注/Memo:
收稿日期:2014-08-26
作者简介:田小江(1978—)男,工程师,主要从事石油管材工程试验与检测评价工作。
更新日期/Last Update: