ER4043 Aluminum MIG Spool
ER4043 is a 5% Silicon aluminum alloy filler metal that is one of the most widely used aluminum welding alloys for fabrication and general repairs.
ER4043 conforms to: AWS A5.10, CWB
Features:
- Primarily alloyed with silicon and magnesium
- Great fluidity of weld puddle
- Strong corrosion resistance
- Intended for heat-treatable alloys 6061 and 6063
- Does work with non heat treatable alloy 3003
- Commonly used for welding aluminum sheet metal
- Preferred choice for long single pass welds
- Popular for auto body repair, trailer building, and general fabrication
Available Spool Sizes:
- 1 Pound for spool gun
- 5 Pound for suitcase welder
- 16 Pound for commercial welder
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