6082-T4 Aluminum alloy,Aluminum 6082-T4 alloy,E FORU

### **Aluminum 6082-T4 Alloy: Product Introduction** **Overview** Aluminum 6082-T4 is a heat-treatable aluminum-magnesium-silicon alloy in the solution heat-treated and naturally aged condition. This temper provides an optimal balance between **high strength and good formability**, offering **enhanced mechanical properties** while maintaining adequate ductility for subsequent forming operations. The T4 condition represents an ideal intermediate state for components that require fabrication after heat treatment before reaching their final strength through artificial aging. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | |---------|-------------|-------------| | Silicon (Si) | 0.7 | 1.3 | | Iron (Fe) | - | 0.50 | | Copper (Cu) | - | 0.10 | | Manganese (Mn) | 0.40 | 1.0 | | Magnesium (Mg) | 0.6 | 1.2 | | Chromium (Cr) | 0.25 | 0.35 | | Zinc (Zn) | - | 0.20 | | Titanium (Ti) | - | 0.10 | | Other (Each) | - | 0.05 | | Other (Total) | - | 0.15 | | **Aluminum (Al)** | **Balance** | | --- #### **2. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Density** | 2.71 g/cm³ | 0.0979 lb/in³ | | **Melting Range** | 555-650 °C | 1031-1202 °F | | **Electrical Conductivity** | 45-49% IACS | 45-49% IACS | | **Thermal Conductivity** | 170-185 W/m·K | 985-1070 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/°C | 13.05 × 10⁻⁶/°F | | **Modulus of Elasticity** | 69.0 GPa | 10,007 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties for 6082-T4:** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Tensile Strength** | 205-245 MPa | 30-36 ksi | | **Yield Strength (0.2% Offset)** | 110-140 MPa | 16-20 ksi | | **Elongation (in 50mm)** | 14-18% | 14-18% | | **Hardness (Brinell)** | 65-75 HB | 65-75 HB | | **Shear Strength** | 140-170 MPa | 20-25 ksi | | **Fatigue Strength** | 90-110 MPa | 13-16 ksi | --- #### **4. International Standards** * **European Standards (EN):** * EN 573-3: Chemical composition (Designation: EN AW-6082) * EN 755-2: Mechanical properties for extruded products * EN 485-2: Sheet and plate specifications * **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** **Transportation Industry:** - Automotive structural components - Truck and bus frame members - Railway vehicle structural elements - Marine structural components **Architectural Applications:** - Structural glazing system components - Curtain wall structural elements - Architectural framework members - Building structural components **Industrial Equipment:** - Machinery frames and supports - Material handling equipment components - Industrial automation structures - Equipment structural members **General Engineering:** - Structural brackets and fittings - Support frames and structures - Mechanical components requiring forming - General purpose structural elements --- #### **6. Key Characteristics & Advantages** * **Good Strength-to-Weight Ratio:** Enhanced mechanical properties with lightweight characteristics * **Excellent Formability:** Maintains good ductility for forming operations after solution treatment * **Age-Hardenable:** Can be artificially aged to T6 temper for maximum strength * **Good Corrosion Resistance:** Excellent resistance to atmospheric corrosion * **Excellent Weldability:** All common welding methods can be successfully employed * **Good Machinability:** Can be machined using standard techniques * **Stable Properties:** Natural aging provides consistent mechanical characteristics --- #### **7. Heat Treatment and Aging Characteristics** **Solution Heat Treatment:** - Temperature: 525-535°C (977-995°F) - Time: 30-45 minutes depending on thickness - Quenching: Rapid water quenching **Natural Aging:** - Occurs at room temperature - Reaches substantial stability in 4-10 days - Provides stable mechanical properties for fabrication **Artificial Aging Potential (to T6):** - Temperature: 160-170°C (320-338°F) - Time: 8-10 hours - Final Strength: 310-340 MPa tensile strength --- #### **8. Processing and Fabrication** **Forming Characteristics:** - Good for bending and moderate forming operations - Suitable for stretch forming applications - Adequate for roll forming processes - Moderate springback characteristics **Machining Properties:** - Good machinability in T4 condition - Better chip control than annealed temper - Good surface finish achievable - Suitable for precision machining operations **Joining Methods:** - Excellent weldability using TIG and MIG methods - Good for resistance welding applications - Suitable for adhesive bonding - Mechanical fastening easily accomplished **Surface Treatment Compatibility:** - Good for anodizing after final heat treatment - Suitable for various coating applications - Good surface preparation characteristics - Maintains integrity with proper treatment --- #### **9. Quality Assurance** **Testing and Verification:** - Mechanical property testing - Chemical composition analysis - Microstructural examination - Surface quality inspection **Certification:** - Mill test certificates per international standards - Process control documentation - Traceability records - Compliance with industry specifications --- **Technical Note:** Aluminum 6082-T4 offers an excellent combination of strength and formability, serving as an ideal intermediate condition for structural components that require fabrication after solution heat treatment. The natural aging process provides stable mechanical properties that are sufficient for most manufacturing operations while allowing for subsequent artificial aging to achieve maximum strength. This temper is particularly valuable for applications in transportation, architecture, and general engineering where components must be formed after heat treatment, with the final strength properties developed through controlled aging processes. The balanced characteristics of 6082-T4 make it suitable for applications where both good formability and high strength potential are required in structural components.

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 2026 gallon liquid totes Special package is available on request.