UNIMIG 5356 Aluminium TIG Welding Rods are a triple shaved TIG wire for the purpose of welding cats and wrought aluminium and specifically the 3000, 5000 & 6000 series. 5356 is sometimes referred to as “marine grade” because it is widely used in the marine industry and it’s very commonly found in general fabrication applications as well. The major element in 5356 wire is 5% magnesium. The wire has excellent weldability and corrosion resistance. The wire is packaged in 1kg & 5kg tubes.