E4043 Welding Rods
AWS: A5.3
Features: Strong thermal crack resistance, good fluidity, low smoke, etc.
Payment Term: 30% TT prepayment, 70% TT before delivery
Packing: 5kg/Inner box, 20kg/Carton, 1000kgs/Pallet
Production Time: Within 25 days after receiving prepayment
Why Choose E4043 Aluminum Welding Wire?
E4043 is a premium aluminum-silicon (Al-Si) welding wire designed for joining 6000-series aluminum alloys (e.g., 6061, 6063) and repairing cast aluminum components. With a 5% silicon content, it delivers exceptional fluidity, low cracking sensitivity, and strong weld joints-making it the top choice for automotive, aerospace, and industrial manufacturing.
Core Advantages & Technical Benefits
Superior Weld Strength & Ductility
E4043's optimized Si content ensures weld joints with tensile strength up to 180 MPa,exceeding industry standards for 6000-series aluminum, The ductile weld metal resistsfatigue, ideal for high-stress applications like automotive frames and structural parts.
Excellent Fluidity & Wetting
The alloy's low melting point (=577°) enhances molten pool fluidity, ensuring smoothpenetration even on thick aluminum sheets, Reduces porosity and ensures uniform beadappearance-critical for decorative or high-precision projects (e.g, bike frames, marineparts).
Crack-Resistant & Versatile
Specifically formulated to minimize hot cracking, a common issue in aluminum welding.Compatible with GTAW (TlG) and GAW (lG) processes, and works with both bare andflux-cored setups.
Consistent Quality & Longevity
Manufactured via continuous casting and rolling, ensuring diameter tolerance (±0.02mm)and clean surface (free of oil/oxidation), Packaged in moisture-resistant spools (1 0kg/25kg)to prevent degradation, with a 24-month shelf life.
Technical Specifications
| Parameter | E4043 Specification | Industry Benchmark (Advantage) |
|---|---|---|
| Alloy Composition | Al + 5% Si (balance Al) | Higher Si than E4041 for better fluidity |
| Diameter Options | 0.8mm, 1.0mm, 1.2mm, 1.6mm | Covers 90% of industrial welding needs |
| Tensile Strength | ≥180 MPa | 10% higher than standard Al-Si wires |
| Melting Range | 577°C – 621°C | Lower than 6000-series base metals |
| Welding Processes | GTAW (TIG), GMAW (MIG) | Compatible with mainstream equipment |
| Spool Weight | 10kg, 25kg, 50kg | Flexible for small/bulk orders |
Ideal Applications
- Automotive Industry: Welding 6061 chassis, engine brackets, and aluminum body panels.
- Aerospace & Defense: Joining structural components in aircraft and drones (lightweight + high strength).
- Industrial Manufacturing: Fabricating aluminum pipes, heat exchangers, and machinery frames.
- DIY & Fabrication: Repairing cast aluminum parts (e.g., lawnmower engines, tool housings) or custom projects (e.g., aluminum furniture).
Buy E4043 Welding
Payment Terms
• 30% TT prepayment upon order confirmation.
• 70% TT balance to be settled before delivery (with copy of B/L or delivery note provided for verification).
• Bank details available upon request-secure transaction guaranteed.
Packing & Shipping Details
• Inner Packaging: 5kg per inner box (sealed with moisture-proof film to prevent oxidation).
• Outer Carton: 20kg per carton (corrugated cardboard, reinforced with straps for durability).
• Pallet Option: 1000kgs per pallet (customizable for full-container loads; shrink-wrapped for stability during sea/air transport).
• Labeling: Each package includes batch number, production date, and handling instructions (compliant with international shipping standards).
Production Lead Time
• 25 days from receipt of 30% prepayment (for standard diameters: 0.8mm–1.6mm).
• For custom specifications (e.g., special diameters), lead time extends to 35–40 days (contact us for details).
Hot Tags: e4043 welding rods, China, manufacturers, suppliers, factory, company, wholesale, discount, buy, low price, high quality, products
You Might Also Like
Send Inquiry