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

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 (SAWL) offshore linepipe of a maximum thickness/outside diameter 0.042 in 2011. Described in this paper is the research and devel...

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Published inBaosteel Technical Research Vol. 7; no. 2; p. 49
Main Authors Shiqiang, Xie, Weifeng, Huang, Bei, Zhang, Lei, Zheng
Format Journal Article
LanguageEnglish
Published Tube, Pipe and Bar Business Unit, Baoshan Iron & Steel Co., Ltd., Shanghai 201900, China%Products & Technique Management, Baoshan Iron & Steel Co., Ltd., Shanghai 201900 ,China%Tube & Pipe Technology Center, Research Institute, Baoshan Iron & Steel Co., Ltd., Shanghai 201900, China 01.06.2013
Subjects
China
High strength low alloy steels
Iron and steel industry
Offshore
Offshore engineering
Pipe
Research and development
Steels
X70
T/D
research and development
UOE
SAWL
offshore linepipe
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Summary: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 (SAWL) offshore linepipe of a maximum thickness/outside diameter 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 the relevant requirements as specified in Specifications DNV-OS-F101, and has been successfully used in the South China Sea deepwater gas pipeline project.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1674-3458
DOI:10.3969/j.issn.1674-3458.2013.02.009