API Spec 5L的發(fā)展過程及最新進展（下）

Development Course and Latest Development of API Spec 5L（PartⅡ）

摘要: 油氣管道建設從最初的工業(yè)管道至今已經歷了一個多世紀的發(fā)展。APISpec5L管線鋼管規(guī)范自1928年發(fā)布第1版起至2007年發(fā)布第44版也經歷了近80年的發(fā)展進程。該規(guī)范經分、合、再整合的不斷修改與完善,已成為油氣管道輸送用鋼管的國際通行標準。APISpec5L第44版于2007年10月1日出版,2008年10月1日生效,第一次與ISO3183:2007(第2版)等同合版發(fā)布。介紹了APISpec5L的發(fā)展歷程,APISpec5L第44版的最新進展和變化。

Abstract: Since the construction of early industrial pipelines, construction of the oil/gas pipelines has been developed for more than one century. And from 1928 the first edition of the specification of API Spec 5L for Linepipe was issued up to 2007 the 44th edition came to be publicized, it has been nearly eight decades for development thereof. Thanks to continual amendments and revisions, the specification has been a prevailing international standard as used for steel linepipes for oil/gas transport pipeline service. The 44th edition of API Spec 5L was issued on October 1, 2007, and became effective on October 1, 2008, being jointly publicized with ISO 3183: 2007 (the 2nd edition) as the equivalent thereto for the first time. Described in the paper is the development course of API Spec 5L as well as the latest development and changes of it.