6065 Aluminum alloy,Aluminum 6065 alloy,E FORU

### **Aluminum 6065 Alloy: Product Introduction** **Overview** Aluminum 6065 is a heat-treatable aluminum-magnesium-silicon alloy that shares similarities with the 6061 alloy but features specific chemical modifications to achieve particular performance characteristics. This alloy is designed to provide a balanced combination of **medium strength, good corrosion resistance, and excellent extrudability**. While less commonly specified than some other 6xxx series alloys, 6065 offers reliable performance for general engineering applications where its specific property profile meets design requirements. --- #### **1. Chemical Composition (Weight %)** | Element | Typical / Target (%) | Notes | |---------|---------------------|-------| | Silicon (Si) | 0.4 - 0.9 | Primary alloying element for Mg₂Si precipitation | | Iron (Fe) | ≤ 0.50 | Impurity control | | Copper (Cu) | 0.10 - 0.30 | Moderate copper for strength enhancement | | Manganese (Mn) | ≤ 0.15 | Grain structure control | | Magnesium (Mg) | 0.5 - 0.9 | Balanced for strength and extrudability | | Chromium (Cr) | ≤ 0.20 | Corrosion resistance improvement | | Zinc (Zn) | ≤ 0.15 | Impurity control | | Titanium (Ti) | ≤ 0.10 | Grain refiner | | Other (Each) | ≤ 0.05 | - | | Other (Total) | ≤ 0.15 | - | | **Aluminum (Al)** | **Balance** | | --- #### **2. Physical Properties** | Property | Typical Metric Value | Imperial Value | |----------|---------------------|----------------| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 580 - 650 °C | 1076 - 1202 °F | | **Electrical Conductivity** | 48-52% IACS | 48-52% IACS | | **Thermal Conductivity** | 170-190 W/m·K | 985-1100 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C | 13.1 × 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** | 190-230 MPa | 240-280 MPa | | **Yield Strength (0.2% Offset)** | 100-130 MPa | 210-250 MPa | | **Elongation (in 50mm)** | 16-20% | 9-13% | | **Hardness (Brinell)** | 55-65 HB | 80-90 HB | | **Shear Strength** | 120-150 MPa | 160-190 MPa | | **Fatigue Strength** | 75-95 MPa | 95-115 MPa | --- #### **4. International Standards** * **ASTM Standards:** * May be covered under general specifications like **ASTM B221** for extruded products * **ASTM B210** for drawn seamless tubes * **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 * **European Standards:** * **EN 573-3**: Chemical composition * **EN 755-2**: Mechanical properties for extruded products * **Other National Standards:** * **GB/T 3190** (China) * **JIS H4040** (Japan) --- #### **5. Product Applications** **General Engineering:** - Medium-strength structural components - Machinery parts and equipment frames - General-purpose fixtures and supports - Industrial hardware components **Transportation Components:** - Automotive trim and structural parts - Truck and trailer components - Railway interior elements - Vehicle framing members **Architectural Applications:** - Window and door components - Architectural framing systems - Building trim and moldings - Interior structural elements **Consumer Products:** - Furniture components - Appliance parts - Sporting goods - General hardware items --- #### **6. Key Characteristics & Advantages** * **Good Strength-to-Weight Ratio**: Favorable mechanical properties with lightweight characteristics * **Excellent Corrosion Resistance**: Good performance in various environments * **Good Extrudability**: Suitable for producing standard profiles and sections * **Heat Treatable**: Can be strengthened through solution treatment and aging * **Good Weldability**: Compatible with common welding methods * **Adequate Machinability**: Can be machined using standard techniques * **Reasonable Cost**: Economical choice for many applications --- #### **7. Heat Treatment Process** **Solution Heat Treatment:** - Temperature: 520-530°C (968-986°F) - Time: 30-60 minutes - Quenching: Water quenching **Artificial Aging (T6):** - Temperature: 170-180°C (338-356°F) - Time: 6-10 hours - Cooling: Air cooling --- #### **8. Processing Characteristics** **Extrusion Performance:** - Good for standard profile shapes - Reasonable extrusion speeds - Adequate surface quality - Suitable for general sections **Forming Operations:** - Good formability in T4 temper - Suitable for bending and shaping - Moderate springback characteristics - Adequate for most fabrication needs **Machining Properties:** - Fair to good machinability - Standard tooling applicable - Reasonable surface finish - Suitable for most operations **Joining Methods:** - Good TIG and MIG weldability - Suitable for brazing - Mechanical fastening easily accomplished - Adhesive bonding applicable --- #### **9. Quality and Standards Compliance** **Testing and Verification:** - Standard mechanical testing - Chemical composition verification - Surface quality inspection - Dimensional accuracy checks **Certification:** - Standard mill certification - Quality documentation available - Traceability maintained - Compliance with relevant standards --- **Technical Note:** Aluminum 6065 provides a reliable and cost-effective solution for applications requiring medium strength and good general performance characteristics. While it may not offer the highest strength levels available in the 6xxx series, its balanced properties make it suitable for a wide range of general engineering applications. The alloy's good extrudability and corrosion resistance, combined with its heat-treatable nature, make it a practical choice for many structural and non-structural applications across various 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 2011 gallon liquid totes Special package is available on request.