... 3. ultrasonic flaw detect 1. Big Oil and Gas Pipe and tube detection---Ultrasound 2.reach the demands of 128 ... be widely used for titanium tube, zirconium tubes, book-walled pipe, seamless steel tubes, welded gas and oil pipelines, nonferrous metals ... -destructive ultrasonic testing.Features of Ultrasound machineIndependence of the channel type, switching to receive, can work in free circulation and ...