管道焊接技术的发展及对未来的展望

Development of pipeline's welding technology and prospect of future

焊接是长输管道安装的主要技术,介绍了在近几年特别是在西气东输工程中长输管道手工焊、半自动焊、全自动焊焊接技术的发展及未来的长输管道焊接技术发展趋势。

Welding is the main technology in crosscountry pipeline construcion.This article tntroduced the development of SMAW、FCAW(SELFSHIELDED)、AUTOMATIC WELDING PROCESS in recent years especially in WEPP project and the prospect in the future。