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WARNING: This product can expose you to chemicals including Titanium dioxide (airborne, unbound particles of respirable size), which is known to the State of California to cause cancer, and Nitrous oxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

0.035" ER4043 Hobart® MaxalMig® 4043 Aluminum MIG Wire 16 lb 12" Plastic Spool

Airgas Part #:HOB404303512P

Manufacturer Part #:404303512P

$9.91 /US Pound
Package Size Options
$158.56 Spool 16 US pound / Spool
$12,843.36 Pallet 1,296 US pound / Pallet
US pound
Enter multiples of 16 US pound

Item Details

  • 4043 filler metal is a popular aluminum/silicon filler alloy for general purpose welding applications. Features/Benefits: Moderate strength (28 ksi typical). Low melting temperature/high fluidity. Low welding smut and discoloration. Low ductility, formability, and lower toughness. Moderate electrical conductivity and thermal conductivity. Excellent corrosion resistance. Low shrinkage rate/reduced distortion. Low hot cracking sensitivity in most applications.


  • AWS A5.10
  • ASME/SFA 5.10


  • Welding 6xxx alloys
  • Automotive/motorcycle frames
  • Sports products - scooters/bicycles
  • General Repair and Maintenance

Product Attributes


» 0.035"


» 16 lb

AWS Classification

» ER4043

Trade Name

» Hobart® MaxalMig® 4043

Spool Diameter

» 12"


» Plastic Spool