Refined FeSi 75 Lump Grade 50–100mm

 

High-Purity FeSi 75 Lumps in the 50–100mm size range are tailored for industrial users seeking steady silicon content delivery, strict impurity control standards, and trouble-free furnace charging performance. From a procurement perspective, the priority extends beyond simply meeting the 75% silicon threshold-it also hinges on the material's adherence to contracted limits for critical trace elements, as well as its compatibility with existing feeding systems on-site. A uniform 50–100mm particle size minimizes erratic charging issues, while a purified chemical makeup ensures smoother melting processes and more controllable refining operations. When it comes to cost optimization, consistent material utilization often outweighs the nominal alloy grade itself; fewer corrective adjustments and lower material waste directly translate to enhanced overall consumption efficiency. It is precisely for these reasons that high-purity FeSi 75 is frequently procured under rigid technical specifications to support long-term production scheduling.

 

 

Technical Index	Typical Specification
Silicon (Si) Content	75%
Aluminum (Al) Content	≤ 0.5%
Sulfur (S) Max Content	≤ 0.02%
Phosphorus (P) Max Content	≤ 0.04%
Granule Size Scope	50–100 mm
Packaging Standard	1000 kg Jumbo Bags

 

 

Q: How do you keep the 50–100mm size range consistent for all lumps?
A: We screen all ferrosilicon lumps by size, removing any pieces that are too large or too small to secure a stable size range for furnace charging.
Q: How is refinement quality checked before products are shipped out?
A: Each product batch is tested for both silicon content and impurity levels, and corresponding inspection records are attached to the shipment paperwork.
Q: What lead time should we expect for product delivery?
A: Standard delivery takes about 15–20 days in most cases, with the exact timeline depending on your destination and the current shipping schedule.

 

 

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