4147 Aluminum alloy,Aluminum 4147 alloy,E FORU

### **Product Introduction: Aluminum 4147 Alloy** **Overview** Aluminum 4147 Alloy is a specialized aluminum-silicon welding filler metal designed for brazing and welding applications requiring a specific silicon content. This alloy provides good fluidity and controlled melting characteristics, making it suitable for various industrial applications where precise control over the welding or brazing process is essential. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 11.0 - 13.0 | | **Iron (Fe)** | ≤ 0.8 | | **Copper (Cu)** | ≤ 0.30 | | **Manganese (Mn)** | ≤ 0.15 | | **Magnesium (Mg)** | ≤ 0.10 | | **Zinc (Zn)** | ≤ 0.20 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.66 g/cm³ | | **Melting Range** | 577 - 580 °C | | **Solidus Temperature** | 577 °C | | **Liquidus Temperature** | 580 °C | | **Electrical Conductivity** | 33-38% IACS | | **Thermal Conductivity** | 130-150 W/m·K | | **Coefficient of Thermal Expansion** | 20.5 × 10⁻⁶/°C | | **Modulus of Elasticity** | 74 GPa | --- ### **3. Mechanical Properties (As-Welded/Brazed Condition)** | Property | Value Range | |----------|-------------| | **Tensile Strength** | 150-190 MPa | | **Yield Strength (0.2% Offset)** | 70-110 MPa | | **Elongation (in 50mm)** | 5-12% | | **Hardness (Brinell)** | 50-65 HB | | **Shear Strength** | 130-160 MPa | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 4147 | | **European Standard (EN)** | EN AW-4147 | | **ISO** | AlSi12 (ISO 18273) | | **UNS** | A94147 | | **AWS** | A5.8 BAlSi-4 | --- ### **5. Product Applications** **Welding Applications:** - TIG and MIG welding of aluminum alloys - Repair and maintenance welding - General aluminum fabrication - Automotive aluminum components - Structural aluminum welding **Brazing Applications:** - Heat exchanger components - Automotive radiator assemblies - Air conditioning system parts - Electrical connections - General brazing applications **Industrial Applications:** - Heat transfer equipment manufacturing - Cooling system components - Electrical industry applications - Plumbing and piping systems - Repair and maintenance work --- ### **6. Key Characteristics & Advantages** - **Good Fluidity**: Effective flow characteristics in welding and brazing operations - **Controlled Melting**: Narrow melting range for precise process control - **Corrosion Resistance**: Suitable for various service environments - **Good Wettability**: Effective spreading on aluminum surfaces - **Process Versatility**: Adaptable to different welding and brazing methods - **Reliable Performance**: Consistent results in production environments - **Economic Efficiency**: Cost-effective solution for many applications --- ### **7. Special Features** **Welding Performance:** - Stable arc characteristics - Minimal spatter generation - Good bead appearance - Easy slag removal - Consistent deposition rates **Brazing Characteristics:** - Good capillary action - Effective joint filling - Compatible with standard brazing fluxes - Good fillet formation - Reliable in production environments --- ### **8. Processing Guidelines** **Welding Parameters:** - Suitable for TIG and MIG processes - Recommended shielding gas: Argon or Argon/Helium mixtures - Standard welding techniques applicable - Preheating recommended for thick sections **Brazing Parameters:** - Recommended brazing temperature: 580-590°C - Suitable for torch, furnace, and induction brazing - Works with conventional aluminum brazing fluxes - Optimal for joint clearances of 0.05-0.20 mm **Quality Control:** - Visual inspection for complete fusion/flow - Leak testing for sealed assemblies - Mechanical testing for critical applications - Microstructural examination when required **Disclaimer:** The information provided is for reference purposes only. Performance may vary depending on specific application requirements, base materials, and process parameters. Users should conduct appropriate testing and procedure qualifications for their specific applications. Always follow manufacturer recommendations for materials and equipment, and adhere to applicable safety standards and regulations.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1765 gallon liquid totes Special package is available on request.