... pipe cutting machine 1 Air operated,hydraulic. 2 Has the circulating coolong system 3 Burr free,no dusty CNC Metal pipe cutting machine1 Air ... life and the section quality.4 Burr free,no dusty. Technical parameter TypeYJ-275YJ-315YJ-350YJ-455Aluminum Cutting Machine The saw cuts the ... ,300250,275,300,315300,315,350350,400,455 YJ-350YNC Automatic Metal pipe cutting machine