Aluminum Copper Silicon alloy granules are high-performance materials engineered for use in precision metallurgy, vacuum coating, and brazing applications. Known for their excellent strength, corrosion resistance, and thermal stability, these granules offer controlled compositions and high purity levels (≥99.5%), making them ideal for both industrial processes and advanced material research.
AlCuSi alloys combine the mechanical strength and fatigue resistance of copper, the casting and fluidity benefits of silicon, and the lightweight characteristics of aluminum. We offer customizable compositions and sizes to meet specific needs, along with comprehensive after-sales support—please feel free to contact us if you have any questions regarding its use.toolmaking sectors.
Purity: ≥99.5%
Available in standard and customized Al/Cu/Si ratios
Excellent castability, thermal stability, and wear resistance
Uniform granule size for consistent melting behavior
Low gas content and high cleanliness
Suitable for alloying, brazing, thermal spraying, and powder metallurgy
Vacuum Coating: Used as alloy sources for conductive or protective films
Alloying Additives: Enhances the mechanical properties, corrosion resistance, and thermal behavior of aluminum castings
Brazing: Functions as a filler material in aluminum-based brazing systems, offering good flow and bond strength
Powder Metallurgy: Suitable as a feedstock for spray forming, 3D printing, or composite alloy production
Automotive and Aerospace: Supports high-performance aluminum alloys for engine, heat sink, or structural components
Certificate of Analysis (COA)
Material Safety Data Sheet (MSDS)
RoHS compliance documentation (on request)
Third-party testing support available for validation
Chemical Formula: AlCuSi
Appearance: Silvery metallic
Melting Point: Approx. 525–640 °C
Thermal Conductivity: ~100–180 W/m·K
Electrical Conductivity: Moderate; Cu content improves performance
Specific Heat Capacity: ~0.85 J/g·K
Thermal Expansion Coefficient: ~21–24 × 10⁻⁶ /K
Magnetic Properties: Non-magnetic
Not classified as hazardous
Inner packaging: Vacuum-sealed bag to protect against contamination and moisture.
Outer packaging: Carton or wooden box, depending on size and weight.
Fragile targets: Special protective packaging is used to ensure safe transport.
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