焊管2011，Vol.34Issue(10)：20-23,4.
X70抗大变形直缝埋弧焊管研制
Research on X70 SAWL Pipe with Great Deformation Resistance
张志明 1武占芳 1钱勇1
作者信息
- 1. 渤海石油装备巨龙钢管南京公司,南京210061
- 折叠
摘要
Abstract
The imported X80 SAWL pipe with great deformation resistance were partly applied in the 2nd West to East Gas Pipeline Project, and the relevant execution standards were also be established, but the application and standards establishment for X70 and the above grades line pipe with great deformation resistance are still blank in China The trial-production X70 steel with great deformation resistance possess the representative characteristics, such as the round house-shaped stress-strain curve, lower yield ratio, high strain index, high and uniform deformation elongation, and hard and soft phase dual-phase structure, so each performance index is better than that in present concerned standards.关键词
X70/抗大变形直缝管线钢管/延伸率/拱顶形拉伸曲线Key words
X70/SAWL pipes with great deformation resistance/elongation/round house-shaped tensile curve分类
矿业与冶金引用本文复制引用
张志明,武占芳,钱勇..X70抗大变形直缝埋弧焊管研制[J].焊管,2011,34(10):20-23,4.
