5019 Aluminum alloy,Aluminum 5019 alloy,E FORU

### **Product Introduction: Aluminum 5019 Alloy** **Overview** Aluminum 5019 Alloy is a non-heat-treatable aluminum-magnesium alloy known for its excellent corrosion resistance, good strength, and superior formability. This alloy is particularly designed for applications requiring good performance in marine environments and offers excellent weldability, making it suitable for various structural and industrial applications. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Magnesium (Mg)** | 4.5 - 5.6 | | **Manganese (Mn)** | 0.50 - 1.0 | | **Iron (Fe)** | ≤ 0.50 | | **Silicon (Si)** | ≤ 0.40 | | **Copper (Cu)** | ≤ 0.10 | | **Zinc (Zn)** | ≤ 0.20 | | **Chromium (Cr)** | 0.05 - 0.20 | | **Titanium (Ti)** | ≤ 0.15 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.66 g/cm³ | | **Melting Range** | 575 - 640 °C | | **Electrical Conductivity** | 29-34% IACS | | **Thermal Conductivity** | 117-137 W/m·K | | **Coefficient of Thermal Expansion** | 23.9 × 10⁻⁶/°C | | **Modulus of Elasticity** | 71 GPa | | **Specific Heat Capacity** | 0.90 J/g·°C | --- ### **3. Mechanical Properties (by Temper Condition)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O** | 270-310 | 120-160 | 16-22 | | **H112** | 290-330 | 190-230 | 12-18 | | **H116** | 310-350 | 240-280 | 10-14 | | **H321** | 300-340 | 220-260 | 12-16 | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 5019 | | **European Standard (EN)** | EN AW-5019 | | **ISO** | AlMg5Mn0.4 (ISO 209) | | **UNS** | A95019 | | **JIS H** | A5019 | --- ### **5. Product Applications** **Marine and Offshore:** - Ship hulls and superstructures - Offshore platform components - Marine piping systems - Boat fittings and hardware - Coastal structural applications **Transportation Industry:** - Railway carriage bodies - Truck body panels and frames - Automotive structural components - Container bodies - Transportation equipment structures **Pressure Vessels:** - Storage tanks - Pressure containers - Cryogenic vessels - Gas cylinders - Chemical containers **Defense and Military:** - Military vehicle components - Armored vehicle parts - Naval vessel structures - Military infrastructure - Defense equipment housings --- ### **6. Key Characteristics & Advantages** - **Excellent Corrosion Resistance**: Superior performance in marine and harsh environments - **High Strength**: Good mechanical properties in strain-hardened conditions - **Excellent Weldability**: Suitable for various welding methods with minimal strength loss - **Good Cryogenic Properties**: Maintains toughness at low temperatures - **Stress Corrosion Resistance**: Good resistance to stress corrosion cracking - **Formability**: Can be formed using standard manufacturing methods - **Marine Grade Performance**: Specifically suitable for saltwater applications --- ### **7. Special Features** **Marine Environment Performance:** - Excellent resistance to seawater corrosion - Good performance in splash zones and submerged applications - Resists marine biological fouling - Suitable for coastal and offshore structures - Long service life in aggressive environments **Welding and Fabrication:** - Maintains good strength in welded condition - Excellent HAZ (Heat Affected Zone) properties - Suitable for thick section welding - Can be welded in all positions - Compatible with standard aluminum filler wires --- ### **8. Processing Guidelines** **Forming Operations:** - Good cold forming characteristics in annealed condition - Suitable for hot forming when required - Can be roll-formed effectively - Requires proper tooling for bending operations - Springback compensation necessary in harder tempers **Welding Procedures:** - Recommended filler wires: 5183, 5356 - Preheating: 65-95°C for thick sections (>25mm) - Interpass temperature control: <150°C - Post-weld heat treatment optional for stress relief - Proper joint preparation essential for quality welds **Heat Treatment:** - Annealing temperature: 345°C for 2-3 hours - Stabilization treatment available - Not heat-treatable for precipitation hardening - Controlled cooling recommended after annealing **Corrosion Protection:** - Suitable for various coating systems - Compatible with cathodic protection methods - Good performance with anodizing treatments - Can be chemically converted for additional protection - Regular maintenance recommended for marine applications **Disclaimer:** The information provided is for reference purposes only. Aluminum 5019 is a specialized marine-grade alloy that requires proper handling and fabrication techniques. For critical applications, particularly in marine, defense, and pressure vessel sectors, consult technical data sheets from material suppliers and conduct appropriate testing. The alloy's performance is highly dependent on proper fabrication procedures, environmental conditions, and maintenance practices. Always adhere to industry standards and best practices for aluminum applications in demanding service environments.

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 1785 gallon liquid totes Special package is available on request.