Research and development of deepwater offshore linepipe of Baosteel UOE SAWL X70 of heavy wall thickness and large diameter  

作　　者：XIE Shiqiang HUANG Weifeng ZHANG Bei ZHENG Lei 

机构地区：[1]Tube,Pipe and Bar Business Unit,Baoshan Iron & Steel Co.,Ltd. [2]Products & Technique Management Baoshan Iron & Steel Co.,Ltd. [3]Tube & Pipe Technology Center,Research Institute,Baoshan Iron & Steel Co.,Ltd.

出　　处：《Baosteel Technical Research》2013年第2期49-59,共11页宝钢技术研究（英文版）

摘　　要：Baoshan Iron ＆ Steel Co.,Ltd., （referred to as Baosteel） in China first succeeded in developing the U-ing-O- ing-Expanding （UOE） longitudinal submerged arc welded pipes （SAWLs） offshore linepipe of a maximum thickness/ outside diameter （T/D） 0.042 in 2011. Described in this paper is the research and development of the X70 UOE SAWL pipes by the company. The result shows that the said X70 linepipe has been in compliance with relevant requirements as specified in Specifications DNV-OS-F101 ,and has been successfully used in the South China Sea deepwater gas pipeline project.Baoshan Iron ＆ Steel Co.,Ltd., （referred to as Baosteel） in China first succeeded in developing the U-ing-O- ing-Expanding （UOE） longitudinal submerged arc welded pipes （SAWLs） offshore linepipe of a maximum thickness/ outside diameter （T/D） 0.042 in 2011. Described in this paper is the research and development of the X70 UOE SAWL pipes by the company. The result shows that the said X70 linepipe has been in compliance with relevant requirements as specified in Specifications DNV-OS-F101 ,and has been successfully used in the South China Sea deepwater gas pipeline project.

关 键 词：X70 UOE SAWL offshore linepipe T/D research and development 

分 类 号：F426.31[经济管理—产业经济] F273.1