... AL alloy Wall thickness:0.3~1.5mm TIG welding Min.dia.:250mm We supply seam welder,flanging machine,automatic folding machine, automatic ... and make all kinds of complete set automatic welding machines,includ TIG,MAG,MIG machine ... .1.Applicable material:stainless steel,carbon steel, AL alloy2. welding thickness:0.3-3mm3. Welding ... /m8. Cylinder diameter:≥ID180mm Automatic longitudinal seam welding machine