AWS A5.3 : E4047


Aluminium electrode with 12%Si for welding and repairing aluminium or aluminium alloy pieces (AlSi,
AlCuSiMn, AlSiMg). Specially designed for welding cast or extruded aluminium alloys with Si-levels
higher than 7%. Dissimilar joints between aluminium and aluminium alloys.

Main applications: Engine blocks, cylinder heads, tanks, containers, frames, lorry tipper.

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