5283 Aluminum alloy,Aluminum 5283 alloy,E FORU

### **5283 Aluminum Alloy Technical Datasheet** **Material Overview** 5283 Aluminum Alloy is a high-strength, non-heat-treatable aluminum-magnesium alloy from the 5xxx series, specifically designed for applications requiring excellent corrosion resistance and superior mechanical properties in welded structures. This alloy is particularly noted for its high strength in both base metal and welded conditions, making it ideal for marine, offshore, and transportation applications where durability and reliability are critical. --- ### **1. Chemical Composition (Weight %)** | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 4.0 - 4.9 | | Manganese (Mn) | 0.40 - 1.0 | | Chromium (Cr) | 0.05 - 0.25 | | Iron (Fe) | ≤ 0.40 | | Silicon (Si) | ≤ 0.40 | | Copper (Cu) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.25 | | Titanium (Ti) | ≤ 0.15 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value | |----------|-------| | Density | 2.66 g/cm³ | | Melting Range | 575 - 640 °C | | Electrical Conductivity | 29-33% IACS | | Thermal Conductivity | 117 - 127 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 24.0 × 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 | 270 - 320 | 130 - 170 | 18 - 22 | | H32 | 310 - 360 | 240 - 280 | 12 - 16 | | H34 | 330 - 380 | 260 - 300 | 10 - 14 | | H112 | 270 - 320 | 130 - 170 | 16 - 20 | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Marine & Offshore** - Ship hulls and superstructures - Offshore platform components - Marine pressure hulls - Deck and hull plating - **Transportation** - Railway carriage bodies - Truck and trailer components - Heavy vehicle frames - Transportation structural members - **Pressure Vessels** - Cryogenic storage tanks - Pressure containers - Chemical storage vessels - Industrial gas containers - **Welded Structures** - Bridge components - Offshore constructions - Heavy equipment frames - Structural frameworks --- ### **5. International Standards Compliance** | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5283 | | ASTM International | ASTM B209/B210 | | European Standards | EN AW-5283 | | Japanese Standards | JIS A5283 | | International Standards | ISO 6361-2 | --- ### **6. Material Characteristics** **Key Advantages:** - High strength in both base metal and welded conditions - Excellent corrosion resistance, particularly in marine environments - Superior weldability with minimal strength loss - Good stress corrosion cracking resistance - Excellent fatigue performance - Good cryogenic properties **Special Features:** - **Welding Performance** - Minimal strength reduction in heat-affected zone - Excellent weld metal properties - Suitable for all common welding processes - Recommended filler: ER5183, ER5356 - **Corrosion Resistance** - Outstanding seawater corrosion resistance - Good performance in chemical environments - Excellent resistance to marine atmosphere - Suitable for splash zone applications --- ### **7. Processing Characteristics** **Manufacturing Considerations:** - **Forming Operations** - Good cold working capability - Best formability in O temper - Suitable for moderate bending and forming - Predictable springback characteristics - **Welding Technology** - Excellent for MIG and TIG welding - Suitable for automated welding processes - Good weld bead appearance - Minimal porosity in welds - **Machining** - Good machinability with proper tools - Requires sharp cutting tools - Adequate chip clearance needed - Suitable for most machining operations --- ### **8. Quality Assurance** **Testing & Certification:** - Mechanical property testing - Chemical composition analysis - Corrosion resistance testing - Weld procedure qualification - Non-destructive testing capability - Mill test certificates available --- **Technical Note:** 5283 Aluminum Alloy represents a premium high-strength aluminum-magnesium alloy specifically engineered for demanding applications in marine, offshore, and transportation industries. Its optimized chemical composition provides an excellent combination of high strength, superior corrosion resistance, and exceptional weldability, making it particularly suitable for critical welded structures operating in aggressive environments. The alloy maintains excellent mechanical properties at both cryogenic and elevated temperatures, ensuring reliable performance across a wide range of service conditions.

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 1883 gallon liquid totes Special package is available on request.