Key Features: – Excellent Fluidity: Silicon content of 4.5-6.0% ensures good weld pool fluidity and beautiful weld formation – Low Hot Cracking Sensitivity: Effectively suppresses hot cracking for stable and reliable welding quality – All-Position Welding: Suitable for flat, vertical, horizontal, and overhead welding positions – Superior Surface Treatment: Clean wire surface ensures smooth feeding and excellent arc stability – Ideal for Casting Welding: Particularly suitable for welding and repairing aluminum alloy forgings and castings
Technical Specifications: – Designation: ER4043 – Compliance Standards: ISO 18273, AWS A5.10 – Chemical Composition: Si: 4.5-6.0%, Fe: ≤0.80%, Cu: ≤0.30%, Mn: ≤0.05%, Mg: ≤0.05% – Mechanical Properties: – Tensile Strength: ≥165 MPa – Yield Strength: ≥70 MPa – Elongation: ≥4% – Melting Point: 573-625°C – Density: 2.68 g/cm³
Available Specifications: – Wire Diameter: 0.8mm | 1.0mm | 1.2mm | 1.6mm – Package Options: – Small Spool: 5-10kg/spool – Medium Spool: 15-20kg/spool – Large Drum: 80-100kg/drum – Extra Large Drum: 250-300kg/drum – Straight Rod: 1.6mm | 2.4mm | 3.2mm | 4.0mm | 5.0mm | 6.0mm (Length: 1000mm)
Applications: – Welding of 6XXX series aluminum alloy structural components – Welding and repair of aluminum bicycle frames – Aluminum alloy component welding in automotive manufacturing – Welding connections or defect repair of aluminum die-castings – Connection and processing of architectural aluminum profiles
Welding Process Recommendations: – Shielding Gas: Pure argon or argon mixture – Welding Current: Select appropriate current based on wire diameter – Pre-welding Preparation: Remove oil and oxide layer from base metal surface – Welding Speed: Maintain stable speed, avoid too fast or too slow
Packaging & Storage: – Packaging: Each spool individually packaged in carton with desiccant – Storage Conditions: Temperature <40°C, Humidity <60%RH – Recommended Usage Period: Within 6 months after purchase for optimal performance
