For what maximum outside diameter may a radiographic technique be used in which the radiation passes through two walls and the weld in both walls is viewed for acceptance?
How much should each pass of the transducer overlap the previous path during a weld scan?
Hot tapping and in-service welding should be carried out only with:
To reduce exposure to moisture of low-hydrogen electrodes after they have been removed from the manufacturer’s packaging, they should be stored:
TESTED 28 Dec 2024
