SY/T 6423.2-1999 石油天然气工业承压钢管无损检测方法电阻焊和感应焊钢管焊缝纵向缺欠...

标准编号：SY/T 6423.2-1999

中文名称：石油天然气工业承压钢管无损检测方法电阻焊和感应焊钢管焊缝纵向缺欠...

英文名称：Petroleum and natural gas industries-Non-destructive testing (NDT) methods of steel tubes for pressure purposes-Uitrasonic testing of the weld seam of electric resistance and induction welded steel tu