6082-O Aluminum alloy,Aluminum 6082-O alloy,E FORU

### **Aluminum 6082-O Alloy: Product Introduction** **Overview** Aluminum 6082-O is the annealed temper of the widely used 6082 aluminum-magnesium-silicon alloy. In the "O" (annealed) condition, the alloy is in its **softest state**, offering **maximum ductility and formability** while maintaining excellent corrosion resistance. This temper is specifically designed for applications requiring **severe forming operations** before the material undergoes final heat treatment to achieve its high-strength potential. 6082-O provides an ideal starting condition for manufacturing complex components that require significant deformation during fabrication. --- #### **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** | 47-51% IACS | 47-51% IACS | | **Thermal Conductivity** | 175-190 W/m·K | 1015-1100 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-O:** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Tensile Strength** | 130-170 MPa | 19-25 ksi | | **Yield Strength (0.2% Offset)** | 60-100 MPa | 9-15 ksi | | **Elongation (in 50mm)** | 18-25% | 18-25% | | **Hardness (Brinell)** | 40-50 HB | 40-50 HB | | **Shear Strength** | 85-115 MPa | 12-17 ksi | | **Fatigue Strength** | 65-85 MPa | 9-12 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** **Complex Forming Applications:** - Deep drawn components and housings - Complex stamped structural parts - Spin-formed cylindrical components - Heavy formed structural elements **Transportation Industry:** - Automotive structural pre-forms - Truck and bus frame components before heat treatment - Railway vehicle structural pre-forms - Marine component pre-forms **Architectural Applications:** - Complex architectural elements requiring forming - Custom structural shapes before final treatment - Decorative metalwork components - Special architectural features **Industrial Components:** - Machinery parts requiring severe forming - Equipment frames and supports before heat treatment - Specialized tooling components - Industrial fabrication pre-forms --- #### **6. Key Characteristics & Advantages** * **Excellent Formability:** Maximum ductility for severe forming operations * **High Strength Potential:** Can be heat treated to achieve tensile strength over 310 MPa (45 ksi) * **Good Corrosion Resistance:** Maintains excellent corrosion resistance characteristics * **Superior Workability:** Ideal for complex fabrication processes and machining * **Excellent Weldability:** All common welding methods can be successfully employed * **Outstanding Machinability:** Easy to machine with excellent surface finish * **Heat Treatable:** Can be solution treated and aged to T6 temper for high strength --- #### **7. Heat Treatment Potential** **After Forming Heat Treatment Sequence:** 1. **Solution Heat Treatment:** 525-535°C (977-995°F) 2. **Quenching:** Rapid water quenching 3. **Artificial Aging:** 160-170°C (320-338°F) for 8-10 hours **Final T6 Properties After Heat Treatment:** - Tensile Strength: 310-340 MPa (45-49 ksi) - Yield Strength: 260-280 MPa (38-41 ksi) - Elongation: 10-14% --- #### **8. Processing and Fabrication** **Forming Characteristics:** - Excellent for deep drawing operations - Suitable for severe bending and complex forming - Minimal springback characteristics - Good for stretch forming and spinning processes **Machining Properties:** - Excellent machinability in annealed condition - Good surface finish achievable - Easy chip formation and disposal - Suitable for high-speed machining operations **Joining Methods:** - Excellent weldability using TIG and MIG methods - Good for resistance welding applications - Suitable for brazing and soldering - Mechanical fastening easily accomplished **Surface Treatment Compatibility:** - Good for anodizing after final heat treatment - Suitable for various coating applications - Excellent surface preparation characteristics - Maintains integrity with proper treatment --- #### **9. Quality Assurance** **Testing and Verification:** - Mechanical property testing - Chemical composition analysis - Formability testing and verification - Surface quality inspection - Dimensional accuracy checks **Certification and Documentation:** - Mill test certificates per EN 10204 3.1/3.2 - Process control documentation - Full traceability records - Quality compliance certification - Third-party inspection reports available --- **Technical Note:** Aluminum 6082-O serves as the fundamental starting condition for manufacturing complex components that require severe forming operations before achieving final high-strength properties through heat treatment. The alloy's optimized chemistry provides an excellent foundation for developing high strength after T6 treatment while offering maximum workability in the annealed condition. This makes 6082-O particularly valuable for applications in transportation, architecture, and heavy industry where complex shapes must be formed first, then heat treated to achieve the strength levels required for structural applications. The combination of exceptional formability in the O temper and high strength potential after heat treatment makes this material highly versatile for demanding manufacturing processes.

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 2025 gallon liquid totes Special package is available on request.