Pipe cutting

Pipe cutting (1) with a special cutting machine sawing or cutting tubes and other equipment, and definitely not with Fusing (eg flame cutting) or grinding wheel cutting; (2) cut to be smooth,  Hydraulic adapters  cross section plane is not greater than 1 mm, and the vertical axis of the tube is not greater than 1 degree; (3) with a rasp, scraper, etc. to remove swarf and burrs; (4) with clean compressed air or other method to clear tube attached to floating debris and rust;