Features
- General-purpose aluminium MIG/GMAW welding wire suitable for a wide range of fabrication and repair applications
- Aluminium alloy 4043 contains approximately 5% silicon for improved fluidity and wetting action
- Produces bright, almost smut-free weld beads with high crack resistance
- Non-heat-treatable filler not recommended for anodizing
- ESAB’s aluminum NT wire formulation reduces aluminium shavings by up to 99%, minimizing liner clogs and maintenance downtime
- Optimized chemistry delivers excellent weld appearance and high productivity
- Compatible with I1 and I3 shielding gases per EN ISO 14175
- Designed for DC(+) welding current
Specifications
Last Modified | 28/06/2025, 08:25:35 |
Weight | 7 kg |
Data Sheet | https://www.rapidwelding.com/files/1804109870.pdf |
Classification | SFA/AWS A5.10 – ER4043; EN ISO 18273 – S Al 4043 (AlSi5); JIS Z 3232 – A4043 |
Approvals | CE EN 13479; CWB ER4043; DB 61.039.05; JIS Z 3232; VdTÜV 12187 |
Alloy Type | AlSi (4043) |
Shielding Gas | I1, I3 per EN ISO 14175 |
As-welded Yield Strength | 55 MPa |
As-welded Tensile Strength | 124 MPa |
As-welded Elongation | 18 % |
Wire Composition (typical) | Mn 0.01%; Si 5.00%; Al balance; Cu 0.02%; Ti 0.01%; Zn 0.01%; Fe 0.14% |
Recommended Welding Parameters | See full parameter ranges by wire diameter in description |
Description
4043 is one of the most widely used welding and brazing alloys and can be classed as A general purpose filler alloy
The silicon addition results in improved fluidity (wetting action), making the alloy the preferred
The alloy is not sensitive to weld cracking and produces bright, almost smut-free welds
Not recommended for anodising
Non-heat treatable
Welding current: DC(+)
Documentation
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