4011 Aluminum alloy,Aluminum 4011 alloy,E FORU

### **Product Introduction: Aluminum 4011 Alloy** **Overview** Aluminum 4011 Alloy is a heat-treatable aluminum-silicon alloy specifically designed for high-strength casting applications. It offers an excellent combination of mechanical properties, corrosion resistance, and castability, making it suitable for demanding structural components in automotive, aerospace, and industrial sectors. The alloy responds well to heat treatment, achieving significant improvement in strength characteristics while maintaining good ductility. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 6.0 - 7.5 | | **Copper (Cu)** | 0.8 - 1.3 | | **Magnesium (Mg)** | 0.20 - 0.40 | | **Iron (Fe)** | ≤ 0.25 | | **Manganese (Mn)** | 0.10 - 0.30 | | **Zinc (Zn)** | ≤ 0.15 | | **Titanium (Ti)** | 0.05 - 0.15 | | **Others (Each)** | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.71 g/cm³ | | **Melting Range** | 555 - 610 °C | | **Electrical Conductivity** | 35-40% IACS | | **Thermal Conductivity** | 140-155 W/m·K | | **Coefficient of Thermal Expansion** | 21.8 × 10⁻⁶/°C | | **Modulus of Elasticity** | 72 GPa | --- ### **3. Mechanical Properties (Typical Values)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **F (As-cast)** | 180-220 | 120-160 | 1.5-3.0 | | **T5** | 250-290 | 200-240 | 2-4 | | **T6** | 310-350 | 260-300 | 2-5 | | **T7** | 280-320 | 230-270 | 3-6 | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 4011 | | **European Standard (EN)** | EN AW-4011 | | **ISO** | AlSi7Cu1Mg | | **UNS** | A94011 | | **JIS H** | A4011 | --- ### **5. Product Applications** **Automotive Applications:** - Engine blocks and cylinder heads - Transmission housings - Suspension components - Brake calipers - Turbocharger housings **Aerospace Applications:** - Aircraft structural brackets - Engine mounting components - Landing gear parts - Missile components **Industrial Applications:** - High-pressure valve bodies - Pump housings and impellers - Compressor components - Heavy machinery parts - Marine hardware components --- ### **6. Key Characteristics & Advantages** - **High Strength Characteristics**: Excellent mechanical properties after heat treatment - **Good Castability**: Superior fluidity with minimal shrinkage defects - **Excellent Heat Treatability**: Responsive to solution treatment and aging processes - **Good Machinability**: Performs well in machining operations after heat treatment - **Moderate Corrosion Resistance**: Suitable for most industrial environments - **Good Elevated Temperature Performance**: Maintains strength at moderately high temperatures --- ### **7. Special Features** **Metallurgical Properties:** - Fine-grained microstructure - Good pressure tightness - Reduced hot tearing tendency - Stable mechanical properties **Manufacturing Advantages:** - Suitable for sand casting and permanent mold processes - Predictable shrinkage characteristics - Good surface finish in cast condition - Responsive to grain refinement treatments --- ### **8. Quality and Performance Standards** - Meets automotive industry quality requirements - Suitable for high-integrity structural applications - Consistent performance in volume production - Good fatigue resistance for dynamic applications **Disclaimer:** The information provided is for reference purposes only. Specific properties may vary depending on foundry practices, heat treatment parameters, casting methods, and section thickness. For critical applications, consult technical data sheets from material suppliers and conduct appropriate testing. Mechanical properties are particularly dependent on solidification rates and modification practices.

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 1731 gallon liquid totes Special package is available on request.