Key Features: – Superior Fluidity: Silicon content of 11-13%, melting point as low as 575-585°C, excellent weld pool fluidity – Exceptional Crack Resistance: High silicon content effectively suppresses hot cracking for high reliability – Outstanding Shear Strength: Significantly improves shear strength of fillet welds, suitable for load-bearing structures – All-Position Capability: TIG/MIG all-position welding, flexible and convenient operation – Beautiful Weld Formation: Smooth weld bead with excellent surface quality
Technical Specifications: – Designation: ER4047 – Compliance Standards: ISO 18273, AWS A5.10 – Chemical Composition: Si: 11.0-13.0%, Fe: ≤0.80%, Cu: ≤0.30%, Mn: ≤0.15%, Mg: ≤0.10% – Mechanical Properties: – Tensile Strength: ≥170 MPa – Yield Strength: ≥80 MPa – Elongation: ≥4% – Melting Point: 575-585°C – Density: 2.65 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: – High-strength welding of 6XXX series aluminum alloy structural components – Welding and repair of aluminum bicycle frames – Aluminum alloy component manufacturing in automotive industry – Connection or defect repair of aluminum die-castings – Fillet weld applications requiring high shear strength
Welding Process Recommendations: – Shielding Gas: Pure argon (99.99%) – Gas Flow Rate: 10-15 L/min – Welding Current: Select based on diameter and plate thickness – Welding Angle: Maintain proper torch angle for adequate protection
Packaging & Storage: – Packaging: Each spool individually packaged in carton with desiccant – Storage Conditions: Temperature <40°C, Humidity <60%RH – Moisture Protection: Use promptly after opening to avoid moisture absorption and oxidation


