Non - destructive testing of steel tubes - part 15 : automatic ultrasonic testing of strip plate used in the manufacure of welded steel tubes for the detection of laminar imperfections 钢管的无损检验.第15部分:层状缺陷检验用制造焊接钢管用带材板材的自动超声波检验
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Non - destructive testing of steel tubes - part 15 : automatic ultrasonic testing of strip plate used in the manufacture of welded steel tubes for the detection of laminar imperfections ; german version en 10246 - 15 : 2000 钢管的无损检验.第15部分:生产焊接钢管用带材板材的
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Petroleum and natural gas industries - non - destructive testing methods of steel tubers for pressure purposes . ultrasonic testing of strips plates used in the manufacture of welded tubes for the detection of laminar imperfections 石油天然气工业.承压钢管无损检测方法.焊接钢管制造用钢带钢板分层缺欠的超声波检测