4115 Aluminum alloy,Aluminum 4115 alloy,E FORU

### **Product Introduction: Aluminum 4115 Alloy** **Overview** Aluminum 4115 Alloy is a specialized aluminum-silicon casting alloy designed to provide an excellent combination of castability, mechanical properties, and corrosion resistance. This alloy is particularly suitable for applications requiring good strength and durability in as-cast condition, making it a popular choice in automotive, marine, and general engineering applications. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 6.5 - 7.5 | | **Iron (Fe)** | ≤ 0.6 | | **Copper (Cu)** | 0.10 - 0.25 | | **Manganese (Mn)** | 0.10 - 0.30 | | **Magnesium (Mg)** | 0.35 - 0.55 | | **Zinc (Zn)** | ≤ 0.15 | | **Titanium (Ti)** | 0.08 - 0.18 | | **Other Elements** | ≤ 0.05 each | | **Total Others** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.70 g/cm³ | | **Melting Range** | 555 - 615 °C | | **Electrical Conductivity** | 37-42% IACS | | **Thermal Conductivity** | 150-170 W/m·K | | **Coefficient of Thermal Expansion** | 21.8 × 10⁻⁶/°C | | **Modulus of Elasticity** | 72 GPa | | **Specific Heat Capacity** | 0.90 J/g·°C | --- ### **3. Mechanical Properties (As-Cast Condition)** | Property | Value Range | |----------|-------------| | **Tensile Strength** | 170-210 MPa | | **Yield Strength (0.2% Offset)** | 110-150 MPa | | **Elongation (in 50mm)** | 3-6% | | **Hardness (Brinell)** | 65-80 HB | | **Shear Strength** | 140-180 MPa | | **Fatigue Strength** | 75-95 MPa | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 4115 | | **European Standard (EN)** | EN AW-4115 | | **ISO** | AlSi7Mg | | **UNS** | A94115 | | **JIS H** | A4115 | --- ### **5. Product Applications** **Automotive Applications:** - Engine mounting brackets - Transmission cases - Oil pump housings - Intake manifolds - Suspension components **Marine Applications:** - Marine engine components - Pump bodies and housings - Valve bodies - Deck hardware - Marine fittings **Industrial Applications:** - Pump casings and impellers - Valve bodies - Compressor components - Machine tool parts - General engineering castings **Consumer Products:** - Appliance components - Power tool housings - Outdoor equipment parts - Furniture components - Recreational equipment --- ### **6. Key Characteristics & Advantages** - **Excellent Castability**: Good fluidity with minimal shrinkage porosity - **Good Mechanical Properties**: Balanced strength and ductility in as-cast condition - **Corrosion Resistance**: Suitable for various environmental conditions - **Pressure Tightness**: Good for pressure-containing applications - **Machinability**: Can be easily machined in as-cast condition - **Weldability**: Suitable for repair welding when needed - **Cost-Effective**: Economical solution for many casting applications --- ### **7. Special Features** **Casting Characteristics:** - Good mold filling capability - Reduced hot tearing tendency - Predictable solidification pattern - Good surface finish - Minimal gas porosity **Metallurgical Properties:** - Fine eutectic silicon structure - Controlled iron content - Stable intermetallic phases - Consistent microstructure - Good response to modification --- ### **8. Processing Guidelines** **Casting Parameters:** - Pouring temperature: 680-720°C - Suitable for sand and permanent mold casting - Good for both thin and thick sections - Responds well to grain refinement - Modification recommended for optimal properties **Heat Treatment:** - Can be heat treated to enhance properties - Solution treatment: 525-535°C - Aging treatment: 150-160°C - Improves mechanical properties when required **Quality Control:** - Visual inspection for surface defects - Dimensional verification - Mechanical testing for critical applications - Non-destructive testing when required **Disclaimer:** The information provided is for reference purposes only. Specific properties may vary depending on casting methods, section thickness, and foundry practices. For critical applications, consult technical data sheets from material suppliers and conduct appropriate testing. The alloy performs well in as-cast condition but can be further enhanced through heat treatment when required.

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 1761 gallon liquid totes Special package is available on request.