ALUMINIUM WELDING
WIRE
ER 4043
Description
Aluminium wires and rods for welding alloys with maximum 2%
alloying elements and for aluminium alloys containing upto
7% of Si. Excellent flow ability and penetration
characteristics. Applications in the construction sector and
in the automotive industry.
Chemical composition :
Si 4.5 – 5.5, Fe <0.40, Cu <0.05, Mn <0.05, Mg <0.05, Zn
<0.10, Ti < 0.15, Al remainder
Minimal Values of the Mechanical
Properties (Welded Metal)
Tensile strength :
Rm:120 N/mm2
Yield Strength :
Rp 0, 2 : 40 N/mm2
Elongation :
L=5d : 8%
Shielding Gases for GMAW/GTAW
Ar 99, 95% min
Materials to be welded
Al Si 5, Al Mg Si 0, 5, Al Mg Si 0, 8
Al Mg Si 1, Al Zn Mg, Al cu Mg.
(After anodizing welding will be of a dark grey colour)
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