摘要
本文对新颁发的石油天然气行业标准SY4065-93《石油天然气钢质管道对接焊缝超声波探伤及质量分级》的编制背景、指导原则和主要内容予以简要介绍的同时，对标准中一些主要条款的编制依据和特点作了阐述。
This paper introduces the editorial background,guidance and main contents of the new professional stardard: Grades in the Ultrasonic Inspction Quality of Butt Weld Joints on Oil and Gas Pipelines,and also describes the editorial bases and features of some main contents in this standard
出处
《石油工程建设》
北大核心
1994年第2期25-29,共5页
Petroleum Engineering Construction
