... Darkening Welding Helmet is essential for this kind of welding as it would be for all welding and ... welding aluminum.DC STICK Material Maximum Thickness:6mm Weldable Metals Stick (ARC):"All Ferrous Metal Including Steel, Stainless Steel And Copper"Electrode ... , Shipboard Installation/Repair, Dairy Industry, Construction, Ferrous Welding Industry, Portable Requirement, Boat service/repair, HVAC, ...