5058 Aluminum alloy,Aluminum 5058 alloy,E FORU

### **Technical Datasheet: 5058 Aluminum Alloy** --- #### **1. Material Overview** **5058 Aluminum Alloy** is a high-strength non-heat-treatable aluminum-magnesium alloy known for its exceptional combination of mechanical properties and corrosion resistance. As part of the 5xxx series, it contains higher magnesium content compared to many standard alloys in this family, providing superior strength characteristics while maintaining excellent weldability and formability. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 4.8-5.8 | Primary strengthening element | | Mn | 0.20-0.50 | Grain refinement and strength | | Cr | 0.05-0.25 | Stress corrosion resistance | | Cu | ≤0.10 | Impurity control | | Fe | ≤0.40 | Impurity control | | Si | ≤0.30 | Impurity control | | Zn | ≤0.20 | Impurity control | | Ti | ≤0.10 | Grain refinement | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- #### **3. Physical Properties** | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.65 g/cm³ | ASTM B193 | | Melting Range | 570-640 °C | - | | Electrical Conductivity | 24-29% IACS | ASTM B193 | | Thermal Conductivity | 105-115 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 24.0 × 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 | 240-290 | 100-140 | 22-28 | | H32 | 310-360 | 240-280 | 12-16 | | H34 | 340-390 | 270-310 | 10-14 | | H38 | 380-430 | 330-370 | 8-12 | --- #### **5. Key Characteristics** - **High Strength-to-Weight Ratio**: Superior mechanical properties for weight-sensitive applications - **Excellent Corrosion Resistance**: Outstanding performance in marine and chemical environments - **Good Formability**: Suitable for various forming operations - **Excellent Weldability**: All standard welding methods produce good results - **Good Fatigue Resistance**: Reliable performance under cyclic loading - **Stress Corrosion Resistance**: Excellent resistance to stress corrosion cracking --- #### **6. Processing Characteristics** **Forming Operations:** - Good for bending and moderate forming (H32, H34) - Excellent for deep drawing (O temper) - Suitable for roll forming and stamping - Moderate springback in strain-hardened tempers **Joining Methods:** - GTAW (TIG) - Excellent with 5356 filler - GMAW (MIG) - Excellent results - Resistance welding - Very good - Adhesive bonding - Excellent - Mechanical fastening - Good **Surface Treatments:** - Anodizing - Very good results - Chemical conversion - Excellent corrosion protection - Painting - Good adhesion - Powder coating - Excellent finish - Electroplating - Suitable with preparation --- #### **7. Product Applications** **Marine & Offshore:** - Ship hull components - Offshore platform structures - Marine hardware and fasteners - Submarine pressure hulls **Aerospace & Defense:** - Aircraft structural components - Missile and rocket parts - Military vehicle armor - Defense equipment housings **Transportation:** - High-speed train components - Truck chassis parts - Bus structural members - Special vehicle frames **Industrial Applications:** - Pressure vessels - Chemical processing equipment - Cryogenic storage tanks - Heavy-duty structural components --- #### **8. Available Forms & Sizes** - Sheet: 0.8mm to 6.0mm thickness - Plate: 6mm to 80mm thickness - Extruded profiles: Various shapes and sizes - Forgings: Custom shapes - Wire and rod: Various diameters --- #### **9. International Standards** | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5058 | AA-50 | | ASTM International | ASTM B209-5058 | ASTM B209 | | EN Standard | EN AW-5058 | EN 573-3 | | ISO Standard | AlMg5 | ISO 209 | | JIS Standard | A5058 | JIS H4000 | --- #### **10. Special Properties** - **Cryogenic Performance**: Excellent properties at low temperatures - **High Pressure Resistance**: Suitable for pressure applications - **Impact Resistance**: Good energy absorption characteristics - **Thermal Stability**: Maintains properties at moderate temperatures - **Recyclability**: Fully recyclable without property degradation --- #### **11. Quality Assurance** - Certified chemical composition - Mechanical properties verification - Non-destructive testing - Surface quality inspection - Dimensional accuracy control - Third-party certification available --- #### **12. Design Considerations** - **Strength Utilization**: Optimized for high-stress applications - **Corrosion Design**: Excellent for harsh environments - **Welding Design**: Minimal strength reduction in HAZ - **Temperature Range**: -200°C to +150°C service range - **Weight Savings**: Significant compared to steel alternatives --- #### **13. Comparative Advantages** | Property | 5058 Advantage vs 5083 | |----------|------------------------| | Strength | 10-15% higher strength | | Corrosion Resistance | Comparable excellent performance | | Formability | Slightly reduced but still good | | Cost Effectiveness | Better for high-strength applications | --- *Note: 5058 aluminum alloy represents a high-performance option within the 5xxx series, offering enhanced strength characteristics while maintaining the excellent corrosion resistance typical of aluminum-magnesium alloys. Its combination of properties makes it particularly suitable for demanding applications in marine, aerospace, and heavy industrial sectors where both strength and corrosion resistance are critical requirements.*

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 1818 gallon liquid totes Special package is available on request.