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4043 Aluminum Stick Electrodes 5lb Sleeve

CanArc
|
MWCA404325
  • 3/32 inch (2.5mm)
  • 1/8 inch (3.2mm)
$143.00 $0.00( / )
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10+ 5%
20+ 7%
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4043 Aluminum Stick Electrodes 5lb Sleeve

AWS CLASS
E4043
PROCESS
SMAW (Stick)
BASE ALLOYS
Al (Cu/Si/Mn)
DIAMETERS
3/32"–1/8"
PACKAGE
5 lb Sleeve

E4043 Aluminum Stick Electrode for general-purpose arc welding of aluminum alloys containing copper, silicon, or manganese. Maintains stable arc at low temperatures, significantly reducing spatter and fuming. Suitable for production and maintenance welding.

Key Features

  • General-purpose arc welding of aluminum alloys (Cu/Si/Mn content)
  • Maintains stable arc at low temperatures
  • Significantly reduces spatter and fuming
  • Suitable for both production and maintenance welding
  • Available in 3/32" and 1/8" diameters, 5 lb sleeve

Technical Specifications

AWS ClassificationE4043
Welding ProcessSMAW (Stick)
Base AlloysAluminum alloys containing copper, silicon, or manganese
Available Diameters3/32" (MWCA404325), 1/8" (MWCA404332)
Package5 lb sleeve

Part Number & Size Reference

MWCA404325 — 3/32"
MWCA404332 — 1/8"

Related Products

5356 Aluminum TIG Rods 10lbs. | 4043 Aluminum TIG Rods 10lbs. | 5554 Aluminum TIG Rods 10lbs. | 5356 Aluminum MIG Welding Wire | 4043 Aluminum MIG Welding Wire | 5554 Aluminum MIG Welding Wire

Frequently Asked Questions

E4043 stick electrode is a general-purpose SMAW filler for aluminum alloys containing copper, silicon, or manganese, suited to both production welding and field repair where a MIG or TIG setup isn't practical.

It's a stick (SMAW) electrode, run off an arc welder rather than fed through a MIG gun or TIG torch — useful when you need to weld aluminum without setting up wire-feed or shielding gas equipment.

Yes — it holds a stable arc at low temperatures, which noticeably cuts down on spatter and fuming compared to less stable aluminum stick electrodes.

It's built for general-purpose arc welding on aluminum alloys containing copper, silicon, or manganese.

It's available in 3/32" and 1/8" diameters, packaged in a 5 lb sleeve.

Yes — it's specifically suited to both production welding and maintenance/repair work, making it a practical option when you need to stick weld aluminum on the spot rather than switch to MIG or TIG.

Yes — that's exactly what an electrode like 4043 is for. Stick welding aluminum is less common than MIG or TIG, but it's a workable option for field repairs or maintenance work where wire-feed equipment isn't available.

Yes — arc stability at low temperatures is one of its defining features, which is why it produces less spatter and fuming than many other aluminum stick electrodes on the market.

Yes, it's built for both production welding and maintenance repair, so it holds up whether you're running it repeatedly on a shop floor or occasionally for field fixes.

The 3/32" size is generally the better starting point for thinner material, while the 1/8" diameter suits heavier sections — the right choice depends on your material thickness and amperage range.