MIG WIRE 4043 ALUMINIUM 1.2MM 6KG

MIG Welding Wire – ER4043 Aluminium Alloy, 1.2mm, 6kg Spool

Product Overview

This 1.2mm ER4043 aluminium MIG welding wire is engineered for high-quality, low-spatter welds on aluminium alloys. Supplied on a convenient 6kg spool, it's ideal for professional fabricators, workshops, and DIY welders working on automotive, marine, structural, and general aluminium fabrication projects.

Key Features

• Alloy Type: ER4043 – a silicon-based aluminium filler wire known for excellent flow characteristics and crack resistance
• Diameter: 1.2mm – suited to a wide range of MIG welders and material thicknesses
• Spool Weight: 6kg – fewer spool changes, less downtime, better value for medium-to-large jobs
• Low Spatter, Smooth Arc: Produces clean, consistent beads with minimal post-weld cleanup
• High Ductility: Offers good resistance to weld cracking, especially in higher-silicon base alloys
• Wide Compatibility: Suitable for welding 6061, 6063, and cast aluminium alloys (356, 319, A356, etc.)

Typical Applications

• Automotive and truck aluminium body repair
• Marine and boat fabrication
• Aluminium castings and general repair welding
• Structural aluminium fabrication
• Bicycle frames and outdoor equipment manufacturing

Why Choose ER4043 Wire? ER4043 is one of the most versatile and widely used aluminium filler wires due to its excellent weldability, reduced hot-cracking tendency, and smooth, stable arc performance — making it a reliable choice for both beginner and experienced welders.

Specifications Summary

This product is priced “per KG”. The minimum quantity available to purchase is shown in the "Pack Qty".