Ferro Silicon 75% 50–100mm for Final Deoxidation Control

FeSi75 Ferro Silicon 50–100mm is a high-silicon ferro alloy used when your steel refining process needs final deoxidation control, higher silicon input and stable alloy composition adjustment. With Si 75% min, it provides stronger silicon addition than FeSi72 and can help your team reduce total addition weight when the same silicon target needs to be reached.

You may choose FeSi75 when your process requires final deoxidation, ladle refining, high silicon adjustment or stricter silicon recovery control. This grade should not be treated as the same type of material as FeSi72. FeSi72 is more suitable for regular steel deoxidation and alloy adjustment, while FeSi75 is more suitable when your process needs a higher silicon source and more careful impurity confirmation.

The 50–100mm lump size is suitable when your furnace feeding method accepts larger pieces and your production uses bulk ferro silicon addition. Before shipment, we help confirm Si content, Al, Ca, C, P, S, lump size, fines condition, COA, MSDS, packing method, shipping marks and export documents. If your steel plant has stricter internal limits for Al, Ca, P or S, you can send us your standard before quotation.

50-100mm 75% Ferrosilicon Deoxidizer Manufacturers

Actual chemical values should follow the official batch COA. For final deoxidation use, we suggest confirming Si, Al, Ca, C, P, S and lump size before shipment, because both chemical stability and physical size condition can affect furnace use.

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FeSi75 should not be written as a simple upgraded version of FeSi72. The two grades have different selection logic.

If your process needs regular steel deoxidation, FeSi72 may be enough. If your process needs final deoxidation control, higher silicon input or lower total addition weight, FeSi75 should be checked.

50-100mm 75% Ferrosilicon Deoxidizer Suppliers

ZHEN AN INTERNATIONAL CO., LIMITED has more than 30 years of experience in metallurgical material supply. With our own factory and mature export supply chain, we support ferro silicon, silicon metal, silicon carbide, EMM flakes, FeSiMg alloy and related metallurgical raw materials for steelmaking, foundry and alloy production.

Our factory reaches more than 150,000 tons in annual production and sales volume. We have cooperated with customers in over 100 countries and regions, serving steel plants, foundries, alloy producers and industrial distributors.

We focus on stable supply, batch consistency and export coordination. Instead of only matching a product name, we help customers reduce procurement risk through factory-side control, quality checking, document support and reliable shipment arrangement.

Q: What is FeSi75 ferro silicon 50–100mm used for?
A: FeSi75 ferro silicon 50–100mm is used for final deoxidation control, steel refining, high silicon adjustment and furnace feeding when your process accepts larger lump material.

Q: What is the silicon content of FeSi75?
A: FeSi75 usually contains Si 75% min. Actual Si, Al, Ca, C, P and S values should be checked by batch COA before shipment.

Q: What is the difference between FeSi72 and FeSi75?
A: FeSi75 provides higher silicon input than FeSi72. FeSi72 is more suitable for steel deoxidation and alloy adjustment, while FeSi75 is used when the process needs final deoxidation control and high silicon adjustment.

Q: Why check low impurities for FeSi75?
A: FeSi75 is often used in more controlled steel refining processes. Al, Ca, C, P and S should be checked to make sure the batch matches the plant's internal quality standard.

Q: How is FeSi75 50–100mm packed for export?
A: Standard export packing is usually 1MT jumbo bag. Small bags, pallet packing, custom shipping marks, COA, MSDS and loading photos can be arranged according to your order.

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