Calcium Silicon Alloy With Low Phosphorus

Calcium Silicon Alloy with Low Phosphorus uses silicon (Si) and calcium (Ca) as its core components, with iron as the balance. Through a rigorous smelting process, it strictly controls the content of harmful impurities such as phosphorus (P), sulfur (S), and carbon (C), making it a new generation of highly efficient metallurgical additive that can replace traditional ferrosilicon and metallic calcium. It is moisture-proof and anti-caking, maintains stable performance at room temperature, is not prone to deliquescence or deterioration, and is convenient for storage and transportation.

High-end Clean Steel Smelting: Production of special steel, alloy steel, and stainless steel, reducing inclusions and improving steel purity and yield.

Ductile Iron Casting: Wind power castings, automotive castings, and engineering machinery castings, ensuring the density and mechanical properties of castings.

Precision casting production: Eliminates porosity, shrinkage cavities, and cold brittleness defects, improving the surface quality and dimensional accuracy of castings.

Metallurgical furnace charge modification: Optimizes steel flowability, reduces slag adhesion, and improves smelting efficiency.

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Q1: What is the difference between low-phosphorus silicon-calcium alloy and ordinary silicon-calcium alloy?

A1: Ordinary silicon-calcium alloys typically have a high phosphorus content (above 0.05%), which can easily cause problems such as cold brittleness in steel and castings, and a decrease in mechanical properties. Low-phosphorus silicon-calcium alloy strictly controls the phosphorus content to ≤0.03%, and ultra-low phosphorus versions can achieve below 0.02%, effectively avoiding phosphorus impurity defects and meeting the high standards required for clean steel and precision casting.

Q2: What particle sizes are available for this product?

A2: Standard particle sizes are 10-50mm and 20-80mm. Custom processing of fine particles, large blocks, and other special particle sizes is also supported to adapt to different feeding equipment and smelting processes.

Q3: What is the product packaging and delivery cycle?

A3: Standard packaging includes ton bags and small woven bags; customized packaging is also available upon request. For regular orders, delivery will be within 7-15 business days after receiving the prepayment. The specific timeframe will be adjusted based on order quantity and customization requirements.

Q4: Can you provide samples and quality inspection reports?

A4: Yes, we support providing free samples for customer testing and trial use. Each batch of products can be accompanied by a complete quality inspection report, chemical composition sheet, and other qualification documents.

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