The ESAB 4043 3/32″ x 36″ Aluminum TIG Rod is a widely used aluminum filler metal designed for TIG (GTAW) and MIG (GMAW) welding of aluminum alloys. Known for its silicon-enhanced composition, this rod offers improved fluidity and wetting action, making it a preferred choice for clean, smooth, and crack-resistant aluminum welds. It is commonly used for welding aluminum-silicon (AlSi) and aluminum-magnesium-silicon (AlMgSi) alloys with up to 7% silicon.
With excellent arc stability and reduced smut formation, this R4043 aluminum TIG rod is ideal for automotive, aerospace, marine, and structural aluminum fabrication. It is less prone to weld cracking compared to other aluminum filler metals, ensuring strong, bright welds with minimal post-weld cleanup.
Features:
- Silicon-enhanced composition: Improves fluidity (wetting action) for smooth, controlled welds.
- Lower sensitivity to weld cracking: Ensures strong, defect-free joints, even in high-stress applications.
- Produces bright, smut-free welds: Delivers clean, visually appealing welds with minimal oxidation.
- General-purpose aluminum filler metal: Suitable for a wide range of applications in welding and metallizing.
- Not recommended for anodizing: Due to color mismatch after anodization, it is best used for structural and non-decorative welding.
- Packaged in a 10 lb box: Provides convenient storage and handling for industrial and professional welding.
Common Markets:
- Automotive & Transportation: Used for repairing and fabricating aluminum vehicle frames, body panels, and engine components.
- Aerospace & Aviation: Ideal for welding aircraft fuselages, structural components, and lightweight aluminum parts.
- Marine & Shipbuilding: Suitable for boat hulls, docks, and aluminum marine structures, offering good corrosion resistance.
- Manufacturing & Metalworking: Applied in custom aluminum fabrication, sheet metal work, and industrial aluminum welding.
- Construction & Infrastructure: Used in architectural aluminum structures, frames, and walkways.
- Heavy Equipment & Fabrication: Reliable for industrial equipment repairs and aluminum structural applications.
- General Welding & Repairs: Trusted for on-site aluminum welding, maintenance, and structural reinforcement projects.
Specifications:
- AWS Classification: R4043
- Diameter: 3/32″ (2.4 mm)
- Length: 36″ (914 mm)
- Weight: 10 lb box
- Material Type: Aluminum-Silicon Alloy
- Welding Process: TIG (GTAW), MIG (GMAW)
- Standards: AWS A5.10 (ER and R)
The ESAB 4043 3/32″ aluminum TIG rod is a go-to choice for welders needing clean, smooth, and crack-resistant aluminum welds in automotive, aerospace, marine, and industrial applications. With its excellent wetting action, bright finish, and minimal smut formation, this filler metal ensures high-quality welds with strong mechanical properties in demanding aluminum
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