4019 Aluminum alloy,Aluminum 4019 alloy,E FORU

### **Product Introduction: Aluminum 4019 Alloy** **Overview** Aluminum 4019 Alloy is a high-performance aluminum-silicon casting alloy specifically engineered for applications requiring excellent strength, superior wear resistance, and good elevated temperature properties. This heat-treatable alloy is particularly valued in the automotive and aerospace industries for its outstanding combination of castability and mechanical performance in demanding service conditions. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 10.0 - 12.0 | | **Copper (Cu)** | 2.0 - 3.5 | | **Magnesium (Mg)** | 0.2 - 0.5 | | **Iron (Fe)** | ≤ 0.6 | | **Manganese (Mn)** | 0.2 - 0.5 | | **Nickel (Ni)** | 0.5 - 1.0 | | **Zinc (Zn)** | ≤ 0.5 | | **Titanium (Ti)** | 0.10 - 0.20 | | **Others (Each)** | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.74 g/cm³ | | **Melting Range** | 505 - 595 °C | | **Electrical Conductivity** | 30-35% IACS | | **Thermal Conductivity** | 120-140 W/m·K | | **Coefficient of Thermal Expansion** | 20.5 × 10⁻⁶/°C | | **Modulus of Elasticity** | 74 GPa | | **Specific Heat Capacity** | 0.92 J/g·°C | --- ### **3. Mechanical Properties (by Temper Condition)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **F (As-cast)** | 180-220 | 130-170 | 1-2 | | **T5** | 240-280 | 200-240 | 1-2 | | **T6** | 300-340 | 260-300 | 1-3 | | **T7** | 270-310 | 230-270 | 2-4 | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 4019 | | **European Standard (EN)** | EN AW-4019 | | **ISO** | AlSi11Cu3(Fe) | | **UNS** | A94019 | | **JIS H** | A4019 | --- ### **5. Product Applications** **Automotive Industry:** - Engine pistons - Cylinder heads - Engine blocks - Transmission cases - Turbocharger impellers **Aerospace Components:** - Aircraft engine parts - Missile components - Satellite structures - Landing gear components - Auxiliary power unit parts **Industrial Applications:** - High-pressure pump bodies - Compressor housings - Valve bodies for high-temperature service - Die-casting molds - Heavy-duty machinery components **Specialized Applications:** - Racing engine components - High-performance brake calipers - Industrial robot parts - Nuclear industry components - Defense equipment parts --- ### **6. Key Characteristics & Advantages** - **Excellent Castability**: Superior fluidity with minimal shrinkage porosity - **High Strength-to-Weight Ratio**: Outstanding mechanical properties with low density - **Superior Wear Resistance**: Excellent performance in abrasive environments - **Good Elevated Temperature Properties**: Maintains strength at temperatures up to 250°C - **Excellent Heat Treatability**: Responsive to solution treatment and aging processes - **Good Corrosion Resistance**: Adequate for most industrial environments - **Excellent Machinability**: Good machining characteristics after heat treatment --- ### **7. Special Features** **High-Temperature Performance:** - Stable microstructure at elevated temperatures - Good creep resistance - Excellent thermal fatigue properties - Minimal property degradation after thermal cycling **Enhanced Mechanical Properties:** - High hardness and wear resistance - Good fatigue strength under dynamic loading - Excellent pressure tightness - Superior dimensional stability **Manufacturing Advantages:** - Suitable for sand casting, permanent mold, and die-casting processes - Good response to grain refinement - Predictable solidification characteristics - Excellent surface finish in as-cast condition - Good weldability for repair purposes --- ### **8. Quality and Performance Standards** - Meets automotive and aerospace quality requirements - Suitable for high-integrity structural applications - Consistent performance in volume production - Good impact resistance at room temperature - Reliable for safety-critical components **Disclaimer:** The information provided is for reference purposes only. Specific properties may vary depending on casting methods, section thickness, heat treatment parameters, and foundry practices. For critical applications, consult technical data sheets from material suppliers and conduct appropriate testing. Mechanical properties are particularly dependent on solidification rates, modification treatments, and precise control of heat treatment processes.

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 1743 gallon liquid totes Special package is available on request.