The technical condition of steel used in high-pressure natural gas transmission pipeline and the productive technique and feature of the weldedpipe used in the pipeline is discussed.
对国外高压输送天然气管线用钢的技术条件,管线用焊管的生产工艺和生产特点作了论述。
2
The service conditions of the international high-pressure natural gas transmission pipeline, pipeline steel and weldedpipe at present are introduced.