Aluminum type 4043 is a 5% silicon aluminum filler metal ideal for welding aluminum types 3003, 3004, 5052, 6061, and 6063.

Typical chemistry ranges from maximum 4.5-6.0% Silicon, 0.80% Iron, 0.30% Copper, 0.05% Manganese, 0.05% Magnesium, 0.10% Zinc, 0.20% Titanium, 0.0008% Beryllium.

Available in sizes 0.023″ to 1/4″.

Conforms to AWS A5.10, ASME SFA5.10, AMS 4190.

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