Describes requirements for the ultrasonic testing of strips/plates used in the manufacture of welded tubes for the detection of laminar imperfections according to three different acceptance levels. This inspection shall be carried out in the pipe mill before or during pipe production, in the flat form.
Текущий статус : WithdrawnДата публикации : 1994-12
Версия : 1
Технический комитет:Technical delivery conditions for steel tubes for pressure purposes