Esab Christmas Special - Give the Gift of Quality Welding
Posted on 26-11-2025

An Aluminium alloy with 5% silicon giving excellent flow characteristics and penetration. Suitable for welding duraalumin, cast and wrought alloys 6063 (H9), 6061 (H20) and 6082 (H30). Weld will discolour if anodised.
EN ISO 18273 S Al 4043A (AlSi5)
BS: 2901 4043A, (NG21)
% Metal Composition: 5 Si Bal Al
Melting °C: 635
U.T.S N/mm2: 120
Hardness BHN: 40
Aluminium Mig Wire 4043 0.8MM X 2KG
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