Description
ER4047 Aluminum MIG Wire – .047" (1.2 mm) diameter on a 5 lb spool – is the dedicated collision repair welding wire specified by many vehicle manufacturers for aluminum body work. The 12% silicon (AlSi12) formula delivers the exact fluidity, crack resistance, and bright finish that certified body shops demand when welding thin 6xxx-series hoods, doors, bumpers, rockers, and structural sections.
Key Features & Compatibility:
- .047" (1.2 mm) diameter, 5 lb spool
- AWS A5.10 ER4047 (AlSi12) classification
- Collision-repair-optimized silicon level for thin 6xxx panels
- Ideal for hoods, doors, bumpers, rockers & structural aluminum
- Larger 5 lb roll for busy professional shops
Perfect for:
- High-volume certified collision repair aluminum welding
- OEM-compliant structural & cosmetic aluminum repairs
- Body shops working on modern aluminum-intensive vehicles daily
- Clean, factory-quality welds with fewer spool changes
Also available in 1lb spools for spool gun welders (here)
