The ESAB ALMIGWeld® ALTIGWeld® 4043 1/16″ x 36″ Aluminum TIG Rod is a general-purpose aluminum filler metal widely used for TIG (GTAW) and MIG (GMAW) welding of aluminum alloys. With its silicon-enhanced composition, this rod provides superior fluidity (wetting action), reduced crack sensitivity, and bright, smut-free welds, making it an excellent choice for automotive, aerospace, marine, and structural aluminum applications.
Designed for welding aluminum-silicon (AlSi) and aluminum-magnesium-silicon (AlMgSi) alloys with up to 7% silicon, this R4043 aluminum TIG rod delivers clean, smooth welds with minimal post-weld cleanup. However, it is not recommended for anodizing due to its differing color properties after the anodizing process.
Features:
- Silicon-enhanced composition: Improves fluidity and wetting action, making welding smoother and easier.
- Lower sensitivity to weld cracking: Ensures strong, defect-free welds, even in high-stress applications.
- Produces bright, smut-free welds: Delivers clean, aesthetically pleasing welds with minimal oxidation.
- Ideal for thin-gauge aluminum welding: Optimized for precision welding on aluminum sheet metal and delicate components.
- Not recommended for anodizing: Due to color mismatch after anodization, it is best suited for structural and non-decorative welding.
- Packaged in a 10 lb box: Provides convenient handling and storage for professional and industrial use.
Common Markets:
- Automotive & Transportation: Used for repairing and fabricating aluminum vehicle frames, body panels, and engine components.
- Aerospace & Aviation: Ideal for welding aircraft fuselages, lightweight aluminum components, and aerospace structures.
- Marine & Shipbuilding: Suitable for boat hulls, aluminum docks, and marine-grade aluminum components due to good corrosion resistance.
- Manufacturing & Metalworking: Applied in custom aluminum fabrication, thin-gauge welding, and sheet metal work.
- Construction & Infrastructure: Used in architectural aluminum frames, walkways, and support structures.
- Heavy Equipment & Fabrication: Reliable for industrial equipment repairs and structural aluminum welding.
- General Welding & Repairs: Trusted for on-site aluminum welding, maintenance, and thin material applications.
Specifications:
- AWS Classification: R4043
- Diameter: 1/16″ (1.6 mm)
- Length: 36″ (914 mm)
- Weight: 10 lb box
- Material Type: Aluminum-Silicon Alloy
- Welding Process: TIG (GTAW), MIG (GMAW)
- Welding Current: AC
- Standards: AWS A5.10 (ER and R)
The ESAB ALMIGWeld® ALTIGWeld® 4043 1/16″ aluminum TIG rod is a top choice for welders handling thin-gauge aluminum welding in automotive, aerospace, and industrial applications. With its superior weldability, excellent crack resistance, and bright, clean finish, this filler metal ensures high-quality results in precision aluminum fabrication and repair projects.
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