... A,B,C 1.pipeline Ultrasonic test standard / UT of low carbon tubes2.testing: NDT Ultrasonic testing flaw detector3.Scan mode: A ... oil pipelines, nonferrous metals, ferrous metals and some non-metallic pipes, rods, plates and railway rails and other shaped workpieces. ... oil pipelines, nonferrous metals, ferrous metals and some non-metallic pipes, rods, plates and other profiles, and the rail, automatic ...