5086-O Aluminum alloy,Aluminum 5086-O alloy,E FORU

# Technical Datasheet: 5086-O Aluminum Alloy --- ## 1. Material Overview **5086-O Aluminum Alloy** is the annealed condition of the 5086 aluminum-magnesium alloy, offering maximum formability and ductility. The "O" temper indicates the material has been fully annealed to achieve the softest state, providing optimal workability for severe forming operations while maintaining excellent corrosion resistance, particularly in marine environments. --- ## 2. Chemical Composition (Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 3.5–4.5 | Solid solution strengthening | | Mn | 0.20–0.70 | Grain refinement and strength enhancement | | Cr | 0.05–0.25 | Stress corrosion resistance | | Cu | ≤0.10 | Impurity control | | Fe | ≤0.50 | Impurity control | | Si | ≤0.40 | Impurity control | | Zn | ≤0.25 | Impurity control | | Ti | ≤0.15 | Grain refinement | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- ## 3. Physical Properties | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.66 g/cm³ | ASTM B193 | | Melting Range | 585–640 °C | - | | Electrical Conductivity | 33–38% IACS | ASTM B193 | | Thermal Conductivity | 130–140 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.9 × 10⁻⁶/K (20–100°C) | ASTM E228 | | Modulus of Elasticity | 70.0 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 4. Mechanical Properties (Typical) | Property | Value Range | Test Standard | |----------|-------------|---------------| | Tensile Strength | 230–280 MPa | ASTM B557 | | Yield Strength (0.2% Offset) | 95–135 MPa | ASTM B557 | | Elongation (50mm) | 18–24% | ASTM B557 | | Hardness (Brinell) | 60–75 HB | ASTM E10 | | Shear Strength | 155–175 MPa | ASTM B831 | | Fatigue Strength (10⁷ cycles) | 95–115 MPa | ASTM E466 | | **Bend Radius (90°)** | **0–1×t** | **ASTM B311** | --- ## 5. Key Characteristics - **Maximum Formability**: Ideal for deep drawing and severe forming operations - **Excellent Ductility**: Highest elongation in the 5086 alloy series - **Superior Workability**: Easy to cut, form, and machine - **Exceptional Corrosion Resistance**: Outstanding performance in marine environments - **High Electrical Conductivity**: Best conductivity among 5086 tempers - **Low Residual Stress**: Minimal springback after forming --- ## 6. Processing Characteristics **Forming Operations**: - Excellent for deep drawing and severe forming - Minimum bend radius: 0× thickness (flat) - Suitable for complex stamping operations - Ideal for spinning and stretch forming - Excellent for embossing and coining **Joining Methods**: - GTAW (TIG): Excellent with 5356 filler - GMAW (MIG): Excellent results - Resistance Welding: Very good - Adhesive Bonding: Excellent - Brazing: Excellent - Soldering: Good **Surface Treatments**: - Anodizing: Excellent results - Chemical Conversion: Excellent corrosion protection - Painting: Superior adhesion - Powder Coating: Excellent finish quality - Polishing and Buffing: Very good results achievable --- ## 7. Product Applications **Deep Drawing Applications**: - Marine fuel tanks - Chemical processing vessels - Complex marine components - Electronic enclosures **Marine & Offshore**: - Boat hull components requiring forming - Marine instrument housings - Deck equipment components - Offshore equipment parts **Transportation**: - Complex vehicle body panels - Aircraft fuel tanks - Railway carriage components - Specialty vehicle parts **Industrial Applications**: - Pressure vessels - Heat exchangers - Food processing equipment - Chemical storage tanks --- ## 8. Available Forms & Sizes - Sheet: 0.5–6.0 mm thickness - Plate: 6–50 mm thickness - Coil: Up to 2000 mm width - Circle Blanks: Various diameters - Custom Cut Shapes: To specification --- ## 9. International Standards | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5086-O | AA-50 | | ASTM International | ASTM B209-5086O | ASTM B209 | | EN Standard | EN AW-5086-O | EN 573-3 | | ISO Standard | AlMg4-O | ISO 209 | | JIS Standard | A5086-O | JIS H4000 | | GB Standard | 5086-O | GB/T 3880 | --- ## 10. Heat Treatment Information - **Annealing Temperature**: 345°C ± 15°C - **Soaking Time**: 2–3 hours - **Cooling Rate**: 30°C per hour maximum to 260°C - **Grain Size Control**: Optimized for formability - **Stress Relief**: Complete stress elimination --- ## 11. Quality Assurance - Certified to full O temper requirements - Microstructure examination for grain size - Formability testing (Erichen, Olsen tests) - Surface quality verification - Dimensional compliance certification - Full traceability documentation --- ## 12. Special Advantages | Feature | 5086-O Advantage | |---------|------------------| | Formability | Best in series for severe forming | | Corrosion Resistance | Excellent in marine environments | | Workability | Easy to process and fabricate | | Weldability | Excellent joining characteristics | | Consistency | Uniform properties throughout | --- ## 13. Storage & Handling Recommendations - Protect from surface damage and scratches - Store in clean, dry environment - Use separators between sheets - Handle with clean gloves - Avoid exposure to corrosive environments - Maintain organized storage system --- *Note: 5086-O aluminum alloy is specifically designed for applications requiring maximum formability and is the preferred choice for deep drawing and severe forming operations. The alloy's excellent corrosion resistance in marine environments makes it particularly valuable for naval and offshore applications requiring complex shaping. For structural applications requiring higher strength, consider strain-hardened tempers (H32, H34, etc.).*

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 1832 gallon liquid totes Special package is available on request.