Brochure

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8
COATED ELECTRODES
ALUMINUM 4043 (AlSi5)
Aluminum electrode with 5% silicon studied for the assembly and repair of
parts in aluminum or aluminum alloys. It exhibits excellent corrosion resistance,
low porosity as well as good mechanical properties.
Application
• Foundry alloys,
• Engine blocks,
• Cylinder heads,
• Tanks,
• Tanks,
• Containers,
• Maritime and chemical industry.
Products
• Good mechanical properties.
• Excellent corrosion resistance.
Classification
ISO 18273: Al 4043A
AWS A 5.3: E4043
DIN 1732: El-AlSi5
Positions and polarity
• Starting from 60V - Direct current.
• Polarity () at the electrode.
Recommendations
Ø electrode
(mm)
3.2
- Preheat the part to be welded so thick.
Thickness (mm)
3
Welding current (A) 90
Mechanical properties the Chemical properties
Rm Rp0.2 A 5 d Hardness Al% Mn% Yes % Fe%
110 160 MPa 70,100 MPa
> 15% ~ 50 HB based <0.50 5.00 <0.50
MMA WELDING
ALUMINUM ALLOYS
Conditioning
Ref. Ø (mm) length (mm)
x ...
084803 Ø 3.2 350 5
Ref. Ø (mm) length (mm)
x ...
081949 Ø 3.2 350 147