5019A Aluminum alloy,Aluminum 5019A alloy,E FORU

### **Product Introduction: Aluminum 5019A Alloy** **Overview** Aluminum 5019A Alloy is an enhanced version of the standard 5019 aluminum-magnesium alloy, featuring improved composition controls and superior consistency for high-performance applications. This marine-grade alloy maintains excellent corrosion resistance while offering enhanced mechanical properties and better manufacturing characteristics for demanding applications in marine, offshore, and defense sectors. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Magnesium (Mg)** | 4.8 - 5.5 | | **Manganese (Mn)** | 0.60 - 0.9 | | **Iron (Fe)** | ≤ 0.30 | | **Silicon (Si)** | ≤ 0.25 | | **Copper (Cu)** | ≤ 0.05 | | **Zinc (Zn)** | ≤ 0.15 | | **Chromium (Cr)** | 0.08 - 0.18 | | **Titanium (Ti)** | 0.05 - 0.12 | | **Other Elements** | ≤ 0.03 each | | **Total Others** | ≤ 0.10 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.66 g/cm³ | | **Melting Range** | 578 - 638 °C | | **Electrical Conductivity** | 30-35% IACS | | **Thermal Conductivity** | 120-140 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** | 280-320 | 130-170 | 17-24 | | **H112** | 300-340 | 200-240 | 13-19 | | **H116** | 320-360 | 250-290 | 11-16 | | **H321** | 310-350 | 230-270 | 13-17 | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 5019A | | **European Standard (EN)** | EN AW-5019A | | **ISO** | AlMg5Mn0.4 (ISO 209) | | **UNS** | A95019 | | **JIS H** | A5019A | --- ### **5. Product Applications** **High-Performance Marine:** - Naval vessel structures - Offshore platform critical components - High-speed boat hulls - Marine engine components - Submarine parts **Aerospace Marine Applications:** - Aircraft marine rescue equipment - Seaplane components - Coastal surveillance aircraft parts - Marine patrol aircraft structures - Floating aircraft components **Defense and Security:** - Military marine vehicles - Armored amphibious vehicles - Naval weapon systems - Military port structures - Defense marine infrastructure **Specialized Industrial:** - Nuclear marine components - Offshore wind turbine structures - Deep-sea exploration equipment - Marine research vessels - Specialized pressure vessels --- ### **6. Key Characteristics & Advantages** - **Enhanced Corrosion Resistance**: Superior performance in aggressive marine environments - **Improved Strength Consistency**: Tighter mechanical property controls - **Excellent Weldability**: Enhanced welding characteristics with reduced defects - **Superior Fatigue Performance**: Better resistance to dynamic loading in marine conditions - **Enhanced Stress Corrosion Resistance**: Improved performance in stressed conditions - **Better Cryogenic Toughness**: Maintains properties in low-temperature marine applications - **Quality Assurance**: Meets stringent marine and defense standards --- ### **7. Special Features of 5019A Variant** **Quality Enhancements:** - Optimized magnesium content for better corrosion resistance - Controlled manganese for improved strength - Reduced iron and silicon for enhanced ductility - Titanium addition for grain refinement - Tighter impurity controls **Performance Benefits:** - More consistent mechanical properties - Improved HAZ characteristics in welding - Better fatigue crack growth resistance - Enhanced resistance to marine biofouling - Superior performance in polarized conditions --- ### **8. Processing Guidelines** **Quality Control Requirements:** - Certified material traceability - Regular chemical analysis verification - Enhanced NDT requirements - Mechanical property certification - Strict dimensional tolerance control **Welding Excellence:** - Recommended premium filler wires: 5183A, 5356A - Enhanced preheating procedures - Strict interpass temperature control - Comprehensive weld procedure qualifications - Advanced NDT of welded joints **Advanced Fabrication:** - Precision forming capabilities - Enhanced machining characteristics - Superior surface finish requirements - Strict cleanliness protocols - Comprehensive documentation **Corrosion Management:** - Advanced coating compatibility - Enhanced cathodic protection design - Superior anodizing characteristics - Specialized chemical treatments - Comprehensive corrosion monitoring **Disclaimer:** The information provided is for reference purposes only. The 5019A variant represents a premium marine-grade aluminum alloy requiring the highest standards of quality control and fabrication expertise. For critical applications in marine, defense, and offshore sectors, consult certified technical data sheets and conduct extensive testing and qualification programs. The enhanced properties and consistent performance of this alloy make it particularly suitable for applications where reliability, safety, and long-term performance in aggressive environments are paramount considerations.

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 1786 gallon liquid totes Special package is available on request.