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SifMig 4043 1.6mmAn aluminium alloy with 5% silicon giving excellent flow characteristics and penetration. Suitable for welding duralumin, cast and wrought allows 6063 (H9), 6061 (H20) and 6082 (H30). Weld will discolour if anodised.Metal Composition
(%)Melting Point
(Degrees C)U.T.S.
(N/mm2)Hardness
(BHN)5 Si Bal Al63512040EN ISO 18273 S Al 4043A (AlSi5)
BS: 2901 4043A, (NG21)
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