Africa's Ferro Silicon — Mined Here. Made Here. Delivered to the World.
Silicon Alloy Industria LDA manufactures ferro silicon from its integrated production facility in
Biopio, Benguela Province, Angola, with an annual production capacity of 6,600 MT.
From quartz resources to finished ferro silicon, Silicon Alloy Industria LDA manages an integrated
production chain covering raw materials, smelting, quality testing, sizing and packaging.
Our focus is simple: controlled production, documented quality and
dependable supply.
From raw material to finished ferro silicon under one production operation.
In-house laboratory testing and chemical analysis documentation for shipped material.
A 12-hectare industrial site and USD 9.75 million investment supporting long-term ferro silicon production in Angola.
High-purity ferro silicon grades produced at our 9 MVA facility in Angola.
72% Si minimum
75% Si minimum
Available Sizes:
Fine Powder (0-1mm), Granules (1-3mm),
Granules (3-10mm), Lumps
(10-100mm)
Our Biopio facility is built around a 9 MVA Submerged Arc Furnace, supported by raw material handling, PLC-based automation, process monitoring, cooling systems and fume extraction and dedusting infrastructure.
Core ferro silicon production furnace.
Controlled production and real-time operating data.
Controlled feeding of raw materials into the production process.
Chemical analysis and product verification.
Used as a deoxidising and alloying material in steel production.
Used in the production of silicon steel for electrical applications.
Used as a reductant in the Pidgeon process.
Used as an inoculant in grey iron and ductile iron production.
Used across selected silicon, chemical and metallurgical processes.
Every shipment is supported by product documentation, including chemical analysis and weight certificates. Third-party inspection through SGS or Bureau Veritas can also be arranged upon buyer request.
Located in Benguela Province, Silicon Alloy Industria LDA is developing ferro silicon production capacity for regional and international industrial markets.
With direct access to quartz resources and an integrated production facility, the company is building an Angola-based ferroalloy operation focused on long-term supply.
Tell us your required grade, quantity, sizing and delivery destination.
Our team will review your requirement and provide the relevant product and commercial information.
