Development and Application of High Performance X80 Line Pipe for the 2nd West-East Gas Pipeline

摘要：

It is the development tendency of gas pipeline to improve strength of line pipe and transmission pressure, which is an important symbol of the progress of gas pipeline technology. The 2nd West-East Gas Pipeline (the 2nd WEGP) is the largest-scale X80 high pressure gas pipeline project in the world. Through the joint development project by Pipeline Company, research institute, and steel company, a series of achievements of technology have been obtained, which makes it possible to apply pressure of 12 MPa and X80 LSAW and HSAW pipe for the 2nd WEGP. Specifications of X80 steel and pipe have been issued based on API 5L. High performance X80 steel and pipe have been developed and meets the Specification. General design conception of applying HSAW pipe and LSAW pipe on gas transmission trunk line with large diameter and high pressure has been established. Failure control of the 2nd WEGP has been carried out to avoid failure and reduce the lost which based on analysis of pipeline failure mode. In this paper, research and development of high performance X80 welded pipe, establishment of technical route of joint application of HSAW and LSAW steel pipe and key technology of failure control are emphatically discussed.

关键词： 2nd WEGP Acicular Ferrite Failure Control Arrest Toughness Strain-based Design

作者: LI He-lin HUO Chun-yong JI Ling-kang LI Yang

作者单位: CNPC Tubular Goods Research Institute,Xi’an 710065,China CNPC Tubular Goods Research Institute,Xi’an 710065,China;School of Material Science and Engineering, CNPC Tubular Goods Research Institute,Xi’an 710065,China;School of Material Science and Engineering,

会议类型: 国际会议

会议名称: The 6th International Conference on High Strength Low Alloy Steels(第六届高强度低合金钢国际会议HSLA Steels2011)

会议地点: 北京

会议语种:英文

页码: 14-23

在线出版日期: 2011-05-31（万方平台首次上网日期，不代表论文的发表时间）