ER4047 Aluminum Welding Wire 3/64" .047" 1.2mm, 5lb Spool

Product 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)