Aluminum Silicon Master Alloy

Aluminum Silicon Master Alloy is a binary master alloy with aluminum (Al) as the matrix and silicon (Si) as the primary alloying element. Available in Si20 and Si50 grades with silicon contents of 20% and 50% respectively, the product is supplied in waffle ingot form for easy storage, transportation, and precise on-demand addition, while effectively resolving the difficult-melting and slow-dissolution challenges of pure silicon. Its core function is to adjust alloy composition and improve performance (Adjustment of alloy composition, improve performance), efficiently introducing silicon to improve casting fluidity, mold-filling ability, and mechanical properties; feed rate adjustable according to requirement.

[Key Advantages]
· Si20 (20%) and Si50 (50%) grades offer wide silicon content range for flexible selection, suitable for both fine adjustment of low-silicon alloys and substantial supplementation of high-silicon alloys.
· Introducing silicon via master alloy form offers lower melting temperature and faster dissolution, ensuring uniform dispersion and avoiding difficult-melting and segregation issues of pure silicon.
· Significantly improves casting fluidity, shrinkage, and mechanical properties — a key auxiliary material for cast aluminum alloy quality.
· Feed rate adjustable according to requirement; waffle ingot facilitates weighing and cutting; stable and uniform composition with high consistency.

[Product Uses]
· Core application: adjustment of alloy composition, improve performance — mainly for batching of Al-Si casting alloys (e.g., A356, ZL102, ADC12); feed rate according to requirement.
· Widely applied in automotive aluminum castings, aerospace cast aluminum structural components, and electronic heat sink alloy production.
· Suitable for die casting, low-pressure casting, gravity casting, and other processes.
· In the recycled aluminum industry, used to correct silicon content when scrap has insufficient silicon, improving quality consistency and market competitiveness.