5059 Aluminum alloy,Aluminum 5059 alloy,E FORU

### **Technical Datasheet: 5059 Aluminum Alloy** --- #### **1. Material Overview** **5059 Aluminum Alloy** is an advanced aluminum-magnesium alloy specifically developed for high-performance applications requiring exceptional strength and superior corrosion resistance. As one of the modern alloys in the 5xxx series, it offers an excellent combination of mechanical properties, weldability, and resistance to stress corrosion cracking, making it particularly suitable for marine and aerospace applications. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 5.0-6.0 | Primary strengthening element | | Mn | 0.50-0.90 | Grain refinement and strength enhancement | | Cr | 0.05-0.25 | Stress corrosion resistance | | Zr | 0.05-0.25 | Grain structure control | | Cu | ≤0.10 | Impurity control | | Fe | ≤0.40 | Impurity control | | Si | ≤0.30 | Impurity control | | Zn | 0.50-1.20 | Strength enhancement | | Ti | ≤0.10 | 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 | 570-640 °C | - | | Electrical Conductivity | 22-27% IACS | ASTM B193 | | Thermal Conductivity | 100-110 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.9 × 10⁻⁶/K (20-100°C) | ASTM E228 | | Modulus of Elasticity | 70.5 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- #### **4. Mechanical Properties (Typical by Temper)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 280-330 | 130-170 | 20-26 | | H116 | 380-430 | 280-320 | 12-16 | | H321 | 360-410 | 260-300 | 14-18 | | H381 | 410-460 | 330-370 | 10-14 | --- #### **5. Key Characteristics** - **Exceptional Strength**: One of the strongest aluminum-magnesium alloys available - **Superior Corrosion Resistance**: Excellent performance in aggressive marine environments - **Excellent Weldability**: Maintains good properties in welded condition - **Stress Corrosion Cracking Resistance**: Specially designed to resist SCC - **Good Fatigue Performance**: Suitable for dynamic loading applications - **Cryogenic Toughness**: Maintains properties at low temperatures --- #### **6. Processing Characteristics** **Forming Operations:** - Good formability in annealed condition - Suitable for cold working operations - Moderate springback in strain-hardened tempers - Can be machined using standard methods **Joining Methods:** - GTAW (TIG) - Excellent with 5183 or 5356 filler - GMAW (MIG) - Excellent results - Friction stir welding - Very good - Laser welding - Suitable - Mechanical fastening - Excellent **Surface Treatments:** - Anodizing - Very good results - Chemical conversion coatings - Excellent - Painting - Good adhesion - Powder coating - Excellent finish --- #### **7. Product Applications** **Marine & Offshore:** - High-speed boat hulls - Ship superstructures - Offshore platform components - Submarine pressure hulls **Aerospace:** - Aircraft structural components - Spacecraft fuel tanks - Rocket components - Helicopter structures **Defense Applications:** - Armored vehicle components - Military bridge systems - Defense infrastructure - Naval vessel components **Specialized Industrial:** - Cryogenic storage tanks - Pressure vessels - Chemical processing equipment - High-performance sporting goods --- #### **8. Available Forms & Sizes** - Plate: 3mm to 150mm thickness - Sheet: 0.5mm to 6.0mm thickness - Extrusions: Various profiles - Forgings: Custom shapes - Welding wire: Various diameters --- #### **9. International Standards** | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5059 | AA-50 | | ASTM International | ASTM B209-5059 | ASTM B209 | | EN Standard | EN AW-5059 | EN 573-3 | | ISO Standard | AlMg5Zn | ISO 209 | | DIN Standard | AlMg5Mn1Zn | DIN 1725-1 | --- #### **10. Special Properties** - **Seawater Resistance**: Exceptional performance in saltwater environments - **Weld Strength Efficiency**: High joint efficiency in welded structures - **Impact Toughness**: Excellent energy absorption capacity - **Thermal Stability**: Good properties retention at elevated temperatures - **Recyclability**: Environmentally friendly and fully recyclable --- #### **11. Quality Assurance** - Stringent chemical composition control - Mechanical properties certification - Non-destructive testing capabilities - Microstructural examination - Corrosion testing per ASTM standards - Third-party quality verification --- #### **12. Design Advantages** - **Weight Reduction**: Significant savings compared to steel - **Life Cycle Cost**: Excellent durability reduces maintenance - **Design Flexibility**: Suitable for complex structures - **Safety Performance**: Good crash energy absorption - **Environmental Resistance**: Long service life in harsh conditions --- #### **13. Comparative Performance** | Property | 5059 vs 5083 Advantage | |----------|------------------------| | Strength | 15-20% higher strength | | Corrosion Resistance | Superior in marine environments | | Weldability | Comparable excellent performance | | SCC Resistance | Significantly improved | --- *Note: 5059 aluminum alloy represents the latest advancement in high-strength aluminum-magnesium alloys, offering exceptional performance for the most demanding applications. Its optimized chemical composition provides an excellent balance of strength, corrosion resistance, and weldability, making it particularly valuable for advanced marine, aerospace, and defense applications where reliability and performance are critical.*

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 1819 gallon liquid totes Special package is available on request.