Sif: Sifalumin 27 1.6MM Aluminium Welding Rods 2.5KG SIFALUMIN No.27 - 5% Magnesium BS 2901 : Part 4 : 1990 5356. (Tig rods). NG6. AWS A/SFA 5-10-92: ER 5356. Suitable for welding a wide range of cast and wrought aluminium alloys containing…View more