我国高钢级、大直径油气输送直缝埋弧焊管研究进展

Development of Domestic High-grade Large-sized SAWL Pipes for Oil & Gas Pipeline Service

摘要: 简要回顾了我国X80钢级管线钢及其Ф1 219 mm直缝埋弧焊管的研制历程及成就，介绍了X90/ X100高强度直缝埋弧焊管以及X80钢级Φ1 422 mm直缝埋弧焊管等的研制进展情况，分析了X90/X100直缝埋弧焊管和X80钢级Φ1 422 mm直缝埋弧焊管的技术成熟度及存在的问题等。

Abstract: Summarized in the essay are the development course and achievements of X80 linepipe-purpose steel and Ф1 219 mm SAWL pipe.Elaborated is the progress of R & D of X90/X100 high-strength SAWL pipe and X80 Φ1 422 mm SAWL pipe.Also analyzed are the maturity of the technology of X90/X100 and X80 Φ1 422 mm SAWL pipe and the existing problems etc.