ER4043 Aluminum Welding Wire For MIG.035 Inch Diameter 1 Pound Spool AlSi5 Filler Metal Smooth Arc And Easy Welds Stable Arc Characteristics For Aluminum Great For Cast And Sheet Welding ARCCAPTAIN

ER4043 Aluminum MIG welding wire 0.035 in, 1 lb spool
✔️ Smooth arc and stable welds with AlSi5 filler, 1 lb spool

ER4043 aluminum welding wire is a MIG filler metal with about 5% silicon (AlSi5) designed for aluminum welding. It's ideal for joining sheet and cast aluminum, including grades 3003, 3004, 5052, 6061, 6063, and casings 43, 355, 356, 214. This wire delivers a clean, gray-tinged bead and is a solid choice for automotive, marine, and fabrication projects where easy arc control matters.

✅ Diameter: 0.035 in (0.89 mm); Weight: 1 lb (0.45 kg) per spool; Filler metal: AlSi5 (~5% Si); Melting range: 1065-1170 °F (575-630 °C); Compatible alloys: 3003, 3004, 5052, 6061, 6063, casings 43, 355, 356, 214; Post anodizing color: gray

💡 What is aluminum welding wire used for in MIG welding? This handy filler supports strong, clean welds on common aluminum alloys.
- Handy for aluminum sheet and casting welds
- Good on 3003, 3004, 5052, 6061, 6063 alloys
- Helps produce smooth beads with AlSi5 filler