Petreoleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes for pressure purposes—Ultrasonic testing of the area adjacent to the weld seam oof welded steel tubs for the detection of laminar imperfections
基本信息
标准号:
SY/T 6423.4-1999
名称:
石油天然气工业用承压焊接钢管无损检测方法 焊接钢管焊缝附近分层缺欠的超声波检测
英文名称:
Petreoleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes for pressure purposes—Ultrasonic testing of the area adjacent to the weld seam oof welded steel tubs for the detection of laminar imperfections