... site simple and easy. An Auto Darkening Welding Helmet is essential for this kind of welding as it would be for ... in Thermal and Overload Protection.It can not welding aluminum.DC STICK Material Maximum Thickness:6mm Weldable ... Mechanical Contractors, Shipboard Installation/Repair, Dairy Industry, Construction, Ferrous Welding Industry, Portable Requirement, Boat service/repair, HVAC, Light ...