Bossweld 4043 Aluminium Alloy TIG Welding Rod is a 5% silicon aluminium filler rod for fusion welding of aluminium castings and general alloy joins. It delivers smooth fluidity and reliable weld quality for automotive and structural aluminium repairs.

Key Features:

• Classification AWS A5.10 ER4043
• 5% silicon aluminium alloy filler improving fluidity and bead wetting
• Reduced crack sensitivity for reliable fusion on cast and fabricated aluminium
• Well suited for repair of automotive components including cylinder heads, inlet manifolds and housings
• Ideal for fusion welding of aluminium castings and defect repairs
• Available  in 0.45 kg and 5 kg packs in 1.6 mm, 2.4 mm and 3.2 mm diameters