6103 Aluminum alloy,Aluminum 6103 alloy,E FORU

### **Aluminum 6103 Alloy: Product Introduction** **Overview** Aluminum 6103 is a heat-treatable aluminum-magnesium-silicon alloy specifically designed for **excellent extrudability** and **good mechanical properties**. This alloy is part of the 6xxx series and is known for its **good corrosion resistance**, **high electrical conductivity**, and **superior surface finish** capabilities. It is particularly suitable for applications requiring complex profiles and good overall performance in various environmental conditions. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | |---------|-------------|-------------| | Silicon (Si) | 0.30 | 0.7 | | Iron (Fe) | - | 0.35 | | Copper (Cu) | - | 0.10 | | Manganese (Mn) | - | 0.10 | | Magnesium (Mg) | 0.40 | 0.9 | | Chromium (Cr) | - | 0.10 | | Zinc (Zn) | - | 0.10 | | Titanium (Ti) | - | 0.10 | | Other (Each) | - | 0.05 | | Other (Total) | - | 0.15 | | **Aluminum (Al)** | **Balance** | | --- #### **2. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 615-655 °C | 1140-1210 °F | | **Electrical Conductivity** | 54-58% IACS | 54-58% IACS | | **Thermal Conductivity** | 190-205 W/m·K | 1100-1190 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/°C | 13.0 × 10⁻⁶/°F | | **Modulus of Elasticity** | 68.9 GPa | 10,000 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties by Temper:** | Property | T4 Temper | T6 Temper | |----------|-----------|-----------| | **Tensile Strength** | 170-210 MPa | 240-280 MPa | | **Yield Strength (0.2% Offset)** | 90-120 MPa | 210-240 MPa | | **Elongation (in 50mm)** | 16-20% | 12-16% | | **Hardness (Brinell)** | 50-60 HB | 75-85 HB | | **Shear Strength** | 115-145 MPa | 155-185 MPa | | **Fatigue Strength** | 75-95 MPa | 100-120 MPa | --- #### **4. International Standards** * **European Standards (EN):** * EN 573-3: Chemical composition (Designation: EN AW-6103) * EN 755-2: Mechanical properties for extruded products * EN 12020-2: Precision profiles for general engineering * **ISO Standards:** * ISO 6361-2: Wrought aluminum and aluminum alloy sheets, strips and plates * ISO 6362-2: Wrought aluminum and aluminum alloy extruded rods/bars, tubes and profiles * **ASTM Standards:** * ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes --- #### **5. Product Applications** **Electrical Applications:** - Electrical bus bars - Heat sinks for electronics - Electrical conductor rails - Power distribution components **Architectural Applications:** - Window and door frames - Architectural trim and moldings - Curtain wall components - Decorative architectural elements **Transportation Industry:** - Automotive trim components - Rail vehicle interior parts - Truck and trailer components - Vehicle structural elements **General Engineering:** - Machinery frames and supports - Material handling equipment - Industrial automation components - General purpose fixtures --- #### **6. Key Characteristics & Advantages** * **Excellent Extrudability:** Capable of producing complex, thin-walled profiles * **Good Electrical Conductivity:** Suitable for electrical applications * **Superior Surface Finish:** Excellent for anodizing and other surface treatments * **Good Corrosion Resistance:** Performs well in various environments * **High Thermal Conductivity:** Effective for heat dissipation applications * **Good Weldability:** All common welding methods can be employed * **Heat Treatable:** Can be strengthened through solution treatment and aging --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 520-530°C (968-986°F) - Time: 30-45 minutes depending on thickness - Quenching: Rapid water quenching **Artificial Aging (T6):** - Temperature: 165-175°C (329-347°F) - Time: 6-10 hours - Cooling: Air cooling to room temperature --- #### **8. Processing and Fabrication** **Extrusion Characteristics:** - Excellent for complex cross-sections - Suitable for thin-walled profiles - Good surface quality with minimal die lines - High extrusion speeds achievable **Machining Properties:** - Good machinability in all tempers - Suitable for precision components - Good surface finish obtainable - Standard tooling applicable **Forming Operations:** - Excellent formability in T4 temper - Suitable for bending and shaping - Moderate springback characteristics - Good for roll forming applications **Joining Methods:** - Excellent weldability using TIG and MIG - Good for brazing and soldering - Mechanical fastening easily accomplished - Adhesive bonding suitable --- #### **9. Quality Assurance** **Testing Requirements:** - Mechanical property testing - Chemical composition analysis - Surface quality inspection - Dimensional accuracy checks **Certification:** - Mill test certificates per international standards - Quality documentation available - Traceability maintained - Third-party inspection possible --- **Technical Note:** Aluminum 6103 offers a well-balanced combination of properties that make it suitable for a wide range of applications, particularly where good extrudability and surface finish are important. The alloy's chemical composition is optimized to provide good mechanical properties while maintaining excellent corrosion resistance and electrical conductivity. This makes 6103 particularly valuable for architectural applications, electrical components, and general engineering uses where both aesthetic appeal and functional performance are required. The alloy's versatility and good overall characteristics make it a reliable choice for manufacturers across multiple industries.

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 2038 gallon liquid totes Special package is available on request.