tube mill (1)welding pipe diameter: 8-150,. (2)Thickness 0.2-1.2mm (3)Speed: 1.5-3m/ min (4)Accessories welding unit:Panasonic TIG150. (5)Welding pipe diameter:50-300mm. (6)Thickness 0.2-1.5mm (7)Speed: 1.5-3m/ min (8)Accessories welding unit:Panasonic TIG150.