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4043 Aluminum MIG Welding Wire
4043 Aluminum MIG Welding Wire
4043 Aluminum MIG Welding Wire
4043 Aluminum MIG Welding Wire

4043 Aluminum MIG Welding Wire

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Nexalloy
|
MW404303501
  • .030 inch (0.8mm) 1lbs.
  • .035 inch (0.9mm) 1lbs.
  • .045 inch (1.2mm) 1lbs.
  • .030 inch (0.8mm) 5lbs.
  • .035 inch (0.9mm) 5lbs.
  • .045 inch (1.2mm) 5lbs.
  • .035 inch (0.9mm) 16lbs.
  • .045 inch (1.2mm) 20lbs.
  • 1/16 inch (1.6mm) 20lbs.
$14.29 $0.00( / )
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4043 Aluminum MIG Welding Wire

AWS CLASS
ER4043
PROCESS
MIG (GMAW)
BASE ALLOYS
6000 Series
SILICON
5%
DIAMETERS
.030"–1/16"

ER4043 Aluminum MIG Welding Wire known for versatility and forgiving nature. Excellent for welding 6000 series aluminum alloys. Silicon additions improve fluidity and produce smooth, clean welds with minimal spatter. Less prone to cracking.

Key Features

  • Versatile and forgiving — reliable for professionals and hobbyists
  • Excellent for 6000 series aluminum alloys
  • Silicon additions improve fluidity and reduce spatter
  • Smooth, aesthetically pleasing welds less prone to cracking
  • Available in multiple diameters and spool weights

Technical Specifications

AWS ClassificationER4043
Welding ProcessMIG (GMAW)
Base Alloys6000 series aluminum
Silicon Content5%
Available Diameters.030", .035", .045", 3/64", 1/16"
Available Spool Weights1 lb, 5 lb, 16 lb, 20 lb

Part Number & Size Reference

MW404303001 — 0.030" / 1 lb spool
MW404303501 — 0.035" / 1 lb spool
MW404304501 — 0.045" / 1 lb spool
MW404303005 — 0.030" / 5 lb spool
MW404303505 — 0.035" / 5 lb spool
MW404304505 — 0.045" / 5 lb spool
MW404303516 — 0.035" / 16 lb spool
MW404336420 — 3/64" / 20 lb spool
MW404311620 — 1/16" / 20 lb spool

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