ESAB 404315030 WIRE, .030″ ER4043 ALUMINUM 14LB

The ESAB 404315030 ER4043 Aluminum MIG Welding Wire is a .030″ (0.8mm) aluminum filler wire designed for precision welding and metallizing applications. Manufactured from 4043 aluminum alloy, this wire contains silicon as the primary alloying element, improving weld fluidity and reducing the risk of cracking. It is non-heat treatable and has a melting range of 1065 to 1170°F, making it ideal for automotive, aerospace, marine, and general aluminum fabrication. The wire produces bright, smut-free welds with minimal oxidation and forms a gray finish when anodized, ensuring high-quality results in both structural and aesthetic applications.

This 14 lb spool is optimized for consistent, uninterrupted welding operations, minimizing downtime for spool changes. Meeting ANSI/AWS A5.10 and AMS 4190 standards, this wire guarantees high-quality, crack-resistant welds for aluminum fabrication, automotive repair, marine construction, and aerospace applications. Additionally, it is commonly used in spray and flame metallizing, providing durable aluminum coatings for corrosion and wear protection.

Features:

• ER4043 Aluminum Alloy: Contains silicon for improved fluidity, reducing hot cracking and ensuring smooth welds.
• Non-Heat Treatable: Offers consistent performance without requiring post-weld heat treatment.
• Bright, Smut-Free Welds: Produces clean, aesthetic welds with minimal oxidation and reduced spatter.
• Gray Anodized Finish: Develops a uniform gray tone when anodized, ideal for structural applications.
• Excellent Corrosion Resistance: Designed for marine, aerospace, and outdoor applications.
• Versatile Applications: Suitable for MIG welding, spray metallizing, and flame metallizing.
• 14 lb Spool: Offers reliable performance with fewer spool changes, improving productivity.

Markets:

• Metal Fabrication: Used in welding aluminum components for industrial and structural applications.
• Automotive Repair & Manufacturing: Ideal for aluminum body panels, structural repairs, and lightweight frame welding.
• Marine & Shipbuilding: Provides corrosion-resistant welds for boats, docks, and offshore structures.
• Aerospace Manufacturing: Essential for aircraft aluminum components requiring precision and durability.
• Trailer & Truck Manufacturing: Ensures strong, durable welds in aluminum truck bodies and trailers.
• General Welding Shops: A go-to wire for welders working on various aluminum fabrication projects.
• Spray & Flame Metallizing: Used for coating applications, improving wear resistance and corrosion protection.

Specifications:

• Material: Aluminum (4043 alloy)
• Wire Diameter: .030″ (0.8mm)
• Weight: 14 lbs (6.35 kg)
• AWS Classification: ER4043
• Melting Range: 1065 – 1170°F (575 – 632°C)
• Density: 0.097 lb/cu.in
• ISO Designation: AlSi5
• Standards: ANSI/AWS A5.10, AMS 4190

The ESAB ER4043 aluminum MIG welding wire is a trusted choice for professionals needing fluid, crack-resistant filler metal for aluminum fabrication, repairs, and coating applications. Whether used in MIG welding, flame spraying, or metallizing, this wire ensures high-quality, corrosion-resistant results for marine, aerospace, automotive, and industrial applications. Its consistent welding characteristics and clean finish make it an essential wire for precision aluminum welding projects.