5186 Aluminum alloy,Aluminum 5186 alloy,E FORU

### **5186 Aluminum Alloy Technical Datasheet** **Material Overview** 5186 Aluminum Alloy is a high-strength, non-heat-treatable aluminum-magnesium alloy from the 5xxx series, specifically designed for applications requiring excellent corrosion resistance combined with high mechanical strength. With its balanced composition of magnesium and manganese, this alloy offers superior performance in marine environments and structural applications where welding and formability are key considerations. --- ### **1. Chemical Composition (Weight %)** | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 4.5 - 5.5 | | Manganese (Mn) | 0.40 - 0.70 | | Silicon (Si) | ≤ 0.40 | | Iron (Fe) | ≤ 0.40 | | Chromium (Cr) | 0.10 - 0.20 | | Copper (Cu) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.20 | | Titanium (Ti) | ≤ 0.10 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value | |----------|-------| | Density | 2.66 g/cm³ | | Melting Range | 580 - 645 °C | | Electrical Conductivity | 30-34% IACS | | Thermal Conductivity | 122 - 132 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.8 × 10⁻⁶/°C | | Modulus of Elasticity | 70 GPa | | Specific Heat Capacity | 900 J/kg·K | --- ### **3. Mechanical Properties** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 280 - 330 | 130 - 170 | 18 - 22 | | H32 | 320 - 370 | 240 - 280 | 12 - 16 | | H34 | 340 - 390 | 260 - 300 | 10 - 14 | | H36 | 360 - 410 | 280 - 320 | 8 - 12 | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Marine & Offshore** - Ship hulls and superstructures - Offshore platform components - Marine fittings and hardware - Deck plating and structures - **Transportation** - Truck and trailer bodies - Railway carriage components - Automotive structural parts - Container manufacturing - **Pressure Vessels** - Storage tanks - Pressure containers - Cryogenic vessels - Chemical processing equipment - **General Engineering** - Structural frameworks - Industrial platforms - Bridge components - Heavy equipment parts --- ### **5. International Standards Compliance** | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5186 | | ASTM International | ASTM B209/B210 | | European Standards | EN AW-5186 | | Japanese Standards | JIS A5186 | | International Standards | ISO 6361-2 | --- ### **6. Material Characteristics** **Key Advantages:** - High strength-to-weight ratio - Excellent corrosion resistance in marine environments - Good weldability using conventional methods - Superior fatigue performance - Good formability in annealed condition - Excellent cryogenic properties **Special Features:** - **Corrosion Performance** - Outstanding seawater resistance - Good stress corrosion cracking resistance - Excellent performance in marine atmospheres - Suitable for splash zone applications - **Welding Characteristics** - Good weldability with standard processes - Compatible with 5356 and 5183 filler wires - Minimal strength loss in heat-affected zone - Good weld bead appearance --- ### **7. Processing Characteristics** **Manufacturing Considerations:** - **Forming Operations** - Good cold working capability - Best formability in O temper - Suitable for bending and stamping - Predictable springback characteristics - **Machining** - Good machinability with proper tools - Requires sharp cutting tools - Adequate chip clearance needed - Suitable for most machining operations - **Heat Treatment** - Non-heat-treatable alloy - Properties enhanced by strain hardening only - Can be annealed at 345°C for 2-3 hours --- ### **8. Quality Assurance** **Testing & Certification:** - Mechanical property testing - Chemical composition analysis - Corrosion resistance testing - Non-destructive testing - Dimensional inspection - Mill test certificates per EN 10204 3.1 --- **Technical Note:** 5186 Aluminum Alloy provides an excellent balance of high strength, superior corrosion resistance, and good manufacturability. Its optimized chemical composition makes it particularly suitable for marine applications and structural components where reliability and durability are essential. The alloy maintains consistent performance across various manufacturing processes and service conditions, making it a versatile choice for demanding engineering applications.

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 1861 gallon liquid totes Special package is available on request.