ER4043 Aluminum MIG Welding Wire

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
• High deposition rates
• 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