标准编号:SY/T 6423.1-2013 中文名称:石油天然气工业 钢管无损检测方法 第1部分:焊接钢管焊缝缺欠的射线检测 英文名称:Petroleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes—Part1:Radiographic testing of weld seam of welded steel tubes for detection of imperfections