Silicon Carbon Alloy Lump

Silicon-Carbon Alloy is a high-performance composite material designed for steelmaking and foundry applications. It combines the functions of a deoxidizer, recarburizer, and slag conditioner in a single product, effectively replacing traditional materials like ferrosilicon, silicon carbide, and carbon raisers. In steelmaking, it provides stable deoxidation with minimal splashing and achieves a carbon recovery rate of approximately 80%, ensuring consistent and efficient carbon adjustment. Its high density allows thorough penetration into molten steel, reducing material loss.

Packaging Options:

• 1MT Jumbo Bags with liner
• 25kg bags on pallets
• Customized packaging on request

Sizes Available:

• Lump: 10–100 mm
• Granule: 1–10 mm
• Powder: -200 mesh

Core Advantage: Significant Cost Reduction

Direct Material Cost Savings: By replacing multiple materials (like Ferrosilicon 75#, Silicon Carbide, and Recarburizer) with one product, it reduces procurement variety and inventory. Compared to the traditional combination, alloy costs can be reduced by 7–12%. It also lowers the total amount of deoxidizer needed.

Indirect Cost Optimization: Beyond material savings, it reduces the burning loss rate of auxiliary materials (by 1.5–2.2 percentage points) and simplifies the operation process-no additional equipment is required.

Process Advantages: Improved Steel Quality & Smelting Efficiency

Excellent Deoxidation & Slag Coagulation: Silicon in the alloy has a strong affinity for oxygen, enabling efficient deoxidation with a stable reaction (no splashing). It also promotes the rapid aggregation of oxides into slag, making it easier to filter out. This results in cleaner, purer molten steel with higher density and hardness.

Stable Carburization & High Recovery Rate: With its high density and purity, the alloy sinks deep into the molten steel for thorough reaction. The recovery rate for both carbon and silicon is stable at around 80%, far outperforming traditional recarburizers.

Shorter Smelting Cycles: By reducing the number of feeding batches and alloy suspension time, it can shorten the entire smelting cycle by approximately 3–5%, improving production efficiency.

Enhanced Product Quality: More stable chemical composition control leads to improved mechanical properties and internal quality of the steel, outperforming traditional processes.

Silicon-Carbon Alloy is a versatile and cost-effective composite material widely used in steelmaking and foundry applications. In steel production, it serves as an efficient compound deoxidizer, removing oxygen from molten steel with a stable, non-splashing reaction that improves safety and controllability. At the same time, it functions as a high-performance recarburizer, offering a carbon recovery rate of approximately 80%, which is significantly better than many traditional carbon raisers.

Its high density allows it to sink deep into the molten bath for thorough dissolution, minimizing floating and burn-off losses. Additionally, the alloy acts as an effective slag conditioner, improving slag fluidity and metal recovery while helping to protect furnace and ladle refractory linings from excessive erosion. In foundry applications, it is used as a pre-inoculant and silicon source for cast iron production, promoting graphite formation, reducing chill (hard carbides), and improving the machinability of castings. For high-end specialty steel grades such as bearing steel, valve steel, and tool steel, high-purity versions of Silicon-Carbon Alloy offer exceptionally low phosphorus and sulfur content-over 50% lower than standard national specifications-resulting in cleaner steel with superior mechanical properties, including better toughness and fatigue resistance. Overall, this single product can effectively replace the traditional combination of ferrosilicon, recarburizer, and silicon carbide, simplifying inventory management and reducing material costs by approximately 7–12%, making it a highly attractive solution for modern steelmakers and foundries aiming to improve both quality and profitability

With over 20 years of experience in exporting ferroalloys, we are a trusted name in the global metallurgical industry. Our well-established supply chain allows us to serve clients with reliable quality, competitive pricing, and fast delivery.

Our Main Products Include:

Ferro Silicon (FeSi 72 / 75 / High Purity)

Manganese Alloys: Medium Carbon FeMn, Low Carbon FeMn

Ferro Chrome: Low Carbon FeCr

Silicon Metal: Standard Grade and Off Grade

Calcium Silicon, FeSiBa, FeSiMg, SiC

Graphite Petroleum Coke (GPC)

Cored Wire for Foundry and Steel Mills

We are committed to long-term cooperation, technical support, and tailor-made solutions for steelmakers, foundries, and alloy producers worldwide.

Hot Tags: silicon carbon alloy lump, China silicon carbon alloy lump manufacturers, suppliers, factory, Ferro Chrome, Ferro Silicon Barium Fesiba, Silicon Carbide, Silicon Carbon Alloy, Silicon Slag, Silicon Slag To Replace Fesi And Reduce The Cost