Metallurgical-Grade Silicon Market is Expected to Reach a Valuation of USD 11.2 billion by 2035 | FactMR Report

The global metallurgical-grade silicon market is entering a phase of strong expansion. Starting from an estimated USD 7.5 billion in 2025, industry analysts project it will climb to USD 11.2 billion by 2035, reflecting a CAGR of 4.1 % over the forecast period. This growth is being fueled chiefly by increasing demand in steel and aluminum alloy production, along with the ongoing rise of solar photovoltaic (PV) technologies, which rely on silicon as a key feedstock.

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Market Segmentation

By Purity Level

The market is divided into two primary purity levels: 98-99 % and greater than 99 %. The segment with more than 99 % purity commands the lion's share, as it is essential for high-purity applications such as semiconductors and solar PV manufacturing. The 98-99 % purity tier, however, is the fastest-growing category. This level balances cost with performance, making it particularly attractive for steel deoxidation, aluminum-silicon alloys, and general foundry applications, especially in developing industrial markets.

By Grade

Among the different grades, 553 is the most widely used, largely due to its affordability and versatility in aluminum casting and steel deoxidation processes. Its regulated composition and widespread availability make it a preferred choice across industries. At the same time, grade 441 is experiencing the fastest growth. With higher purity and improved mechanical strength, this grade is becoming increasingly popular in automotive and aerospace applications, where enhanced performance and corrosion resistance are critical.

By Form

Metallurgical-grade silicon is available in powder, granules, and blocks or sheets. Blocks and sheets currently dominate the market because they are easier to handle, store, and use in large-scale industrial processes, particularly in steel and aluminum production. The granules segment, however, is expanding rapidly. Granules offer consistent feedstock quality, minimize waste, and are highly valued in precision manufacturing operations such as powder metallurgy, specialty aluminum casting, and advanced industrial applications.

By Application

In terms of applications, aluminum casting holds the largest market share. Silicon plays a critical role in enhancing alloy fluidity, strength, and resistance to corrosion, which are essential for industries like construction, automotive, aerospace, and the fast-growing electric vehicle sector. Steel production is the fastest-growing application segment. Silicon is an effective deoxidizing agent and alloying element that improves the strength and magnetic properties of steel. These qualities are vital for infrastructure projects, shipbuilding, and other heavy industrial uses, making steel a major growth driver in the global market.

By Region

Geographically, Asia-Pacific dominates the metallurgical-grade silicon market, with China and India leading the way. The region's rapid industrialization, coupled with its role as a global hub for steel, aluminum, and solar panel manufacturing, ensures continued demand. North America is also expanding steadily, driven by needs in aerospace, automotive, solar, and semiconductor industries, along with efforts to strengthen domestic supply chains. Western Europe is seeing robust growth as well, thanks to rising investment in solar energy and electric vehicles, combined with strict environmental regulations that favor cleaner, lightweight materials.

Competitive Landscape & Recent Developments

The metallurgical-grade silicon market features strong competition among global leaders and regional players. Prominent companies such as Elkem ASA, Ferroglobe PLC, RIMA Group, and Dow Inc. play a central role, while Chinese producers maintain cost advantages and a strong export capacity. The competitive environment is increasingly defined by innovations in energy-efficient production methods, access to raw materials, and the ability to deliver higher purity levels.

Industry participants are pursuing capacity expansions, investments in cleaner smelting technologies, and strategic partnerships to address the rising demand from alloy and solar applications. A notable recent development came in June 2025, when Ferroglobe PLC was added to the Russell 2000 and Russell 3000 indices, highlighting the company's recognition in the broader investment community. Beyond the largest players, the industry also includes specialized producers and regional firms such as Baidao Silicon Powder Co., HPQ Silicon Resources, Silicor Materials, Mississippi Silicon, Canadian Metals, American Elements, Jiuzhou Silicon Industry, Ardevur, Amalgamet Canada, PyroGenesis Canada, Accrue Group Holdings, and Weden Metal.

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Strategic Outlook

Looking ahead, the metallurgical-grade silicon market is poised for sustained expansion. One of the most important growth levers will be the shift toward higher purity levels, especially in applications tied to solar and semiconductor technologies. The optimization of form factors, such as the growing role of granules for advanced manufacturing and blocks or sheets for traditional large-scale industries, will also shape the market's evolution.

Geographic diversification remains a key strategic priority. Expanding operations and partnerships in Asia-Pacific, North America, and Europe will be critical to meeting regional needs and complying with increasingly stringent environmental regulations. At the same time, sustainability initiatives are becoming central to competitive strategy. The industry faces ongoing challenges related to energy consumption and carbon emissions, and companies that invest in cleaner smelting technologies and renewable energy sources are likely to secure long-term advantages.

In conclusion, the metallurgical-grade silicon market is on a steady upward trajectory. Its growth will be supported by expanding industrial applications, technological innovations, and a growing emphasis on sustainability. For both established leaders and emerging players, the coming decade offers significant opportunities to strengthen market presence and create long-lasting value in this essential materials sector.

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