ultrasonic flaw detecting machine ultrasonic flaw detecting machine116- Channel Ultrasonic Flow Detecting Line for Steel Cylinder5Test channel: 16 channel Range: 0 to ... ,35CrMo,34CrMo4,37Mn5. Cylinder wall thickness; 4mm-14mm6. Weight≤300Kg 7.Tested flaw; the flaws like crack, fold, interlayer, etc. of ... (take the length of the cylinder as 2000mm) ultrasonic flaw detecting machine