Ferrosilicon 75
Ferro Silicon 75 (FeSi75) Description
Ferro Silicon 75 (FeSi75) is an iron-silicon alloy with a minimum silicon content of 75%. It is widely used as a deoxidizer and silicon additive in steelmaking and can also be used in foundry inoculation and ferroalloy production.
In steelmaking, silicon has a strong affinity with oxygen, which makes FeSi75 suitable for deoxidation and silicon adjustment. It can also be used as an alloying material in the production of structural steel, spring steel, bearing steel, heat-resistant steel and other steel grades where silicon addition is required.
When purchasing Ferro Silicon 75, you should confirm not only the silicon content but also the limits of Al, C, S and P, together with the required particle size, packing and inspection requirements.
| Model | Si | Al | C | S | P |
| FeSi 75% | ≥75% | ≤2% | ≤0.2% | ≤0.02% | ≤0.04% |
The chemical composition above is our standard FeSi75 specification for this product page. If your production process requires tighter limits for aluminum, carbon, sulfur or phosphorus, please send us your required specification before quotation. Final batch composition should be confirmed according to the agreed order requirements and inspection results.
Inspection: Factory inspection is available, and third-party inspection can also be arranged according to your order requirements. If you require specific quality documents or acceptance limits, please confirm them before placing the order.
We also supply Ferrosilicon 45, Ferro Silicon 65, Ferro Silicon 72, Ferro Silicon 70 and other ferro silicon grades.
Particle size, chemical composition limits and packing can be confirmed according to your production and purchasing requirements.
For an accurate FeSi75 quotation, please provide your required specification, particle size, quantity, packing and destination port.
Inquiry >> business@zaferroalloy.com
Specifications and Uses of FeSi 75 Lumps
FeSi75 for Steelmaking
Ferro Silicon 75 is commonly used as a deoxidizing and silicon-adding material in steel production. The required addition amount and specification depend on the steel grade, target silicon content and production process.
As an alloying material, FeSi75 can be used where controlled silicon addition is required. For bulk orders, the chemical composition and particle size should be confirmed before production or shipment.
FeSi75 for Ferroalloy Production
Ferro Silicon 75 can also be used as a reducing material in certain ferroalloy production processes because silicon has a strong affinity with oxygen. Its relatively high silicon content makes composition control particularly important when it is used for metallurgical reduction.
FeSi75 as a Foundry Inoculant
Ferro Silicon 75 can be used as a silicon-bearing material in cast iron production and as a base material for certain inoculation applications. For foundry use, particle size, composition and addition method should be selected according to the actual casting process.
The inoculation result depends on the casting material, addition rate, particle size and process conditions. If you are purchasing FeSi75 for foundry use, please provide your target particle size and application requirements before ordering.
Other Ferro Silicon 75 Forms and Uses
In addition to ferro silicon lumps, smaller particle or powder forms can be discussed for applications that require a different feeding method. Ground or atomized ferrosilicon powder may also be used in certain mineral processing applications.
If you require FeSi75 powder or another particle size rather than standard lumps, please confirm the required size range before quotation.
What to Confirm Before Ordering FeSi75
Before requesting a Ferro Silicon 75 quotation, we recommend confirming the following purchasing details:
- Required minimum silicon content;
- Maximum limits for Al, C, S and P;
- Required lump, granule or powder particle size;
- Order quantity;
- Packing requirements;
- Inspection or quality document requirements;
- Destination port.
Confirming these details before quotation helps us match the FeSi75 specification with your production process and incoming material acceptance requirements.
FeSi75 Quality and Batch Inspection
For bulk Ferro Silicon 75 orders, the nominal grade alone is not enough for batch acceptance. The actual chemical composition should be checked against the specification agreed before the order.
Key elements such as Si, Al, C, S and P can be confirmed according to the purchase requirements. If your factory has its own acceptance limits, inspection method or document requirements, please provide them before order confirmation.
Factory inspection is available, and third-party inspection can also be arranged when required by the purchase contract.
Ferro Silicon Factory


Our ferroalloy supply is supported by our own factory in Anyang, Henan. The factory covers approximately 30,000 m² and operates 8 submerged arc furnaces, supporting stable ferroalloy production and bulk order supply.
Our annual production and sales volume exceeds 150,000 tons, with stable monthly supply of approximately 3,000 tons. Our products have been supplied to customers in more than 100 countries.
For Ferro Silicon 75 orders, we can coordinate specification confirmation, batch inspection, packing and export delivery according to your purchasing requirements.
Contact Us to confirm the FeSi75 specification and current quotation.
Our Ferro Silicon Supply Advantages
- Factory-side supply: Our ferroalloy supply is supported by our own production facilities and supply system.
- Specification confirmation: Chemical composition and particle size can be confirmed according to your production requirements before order placement.
- Batch quality checking: The delivered batch can be checked against the agreed chemical composition requirements.
- Flexible packing: Packing can be confirmed according to order quantity, handling and transportation requirements.
- Export coordination: Our team can coordinate inspection, packing and shipment arrangements for international orders.


CUSTOMER VISITS


Customers can visit our factory to learn more about our production facilities, product inspection and ferroalloy supply process. If you plan to visit, please contact us in advance so that we can arrange the visit according to your schedule.
Ferro Silicon 75 Packing & Delivery
Packing: 1 MT big bag, 50 kg bag or 50 kg drum, or according to the agreed order requirements.


Before shipment, we will confirm the packing method, order quantity and shipping information with you. Export delivery arrangements depend on the quantity, destination port and transportation requirements.
Inquiry >> business@zaferroalloy.com
Request Ferro Silicon 75 Price
Send your required FeSi75 composition, particle size, quantity, packing and destination port. We will confirm the applicable specification and quotation.
Request FeSi75 QuoteFerro Silicon 75 FAQ
Q: Can your Ferro Silicon 75 specification be customized?
A: Chemical composition limits, particle size and packing can be discussed according to your production and purchasing requirements. Please send us your target specification before quotation.
Q: What are your terms of payment?
A: T/T or L/C. The applicable payment terms can be confirmed according to the final order.
Q: Can we visit your factory?
A: Yes. Factory visits can be arranged in advance. Please send us your planned schedule so that we can coordinate the visit.
Q: What is the delivery time? Do you have FeSi75 in stock?
A: Availability and delivery time depend on the required specification, particle size and order quantity. Please confirm your requirements with us so that we can provide the current production and delivery schedule.
Q: What information should I provide for a FeSi75 quotation?
A: Please provide the required chemical composition, particle size, quantity, packing method and destination port. If you have specific impurity limits or inspection requirements, please include them in your inquiry.
Q: Can you provide inspection documents for Ferro Silicon 75?
A: The batch composition can be checked according to the agreed order specification. Factory inspection is available, and third-party inspection can also be arranged when required.
Q: Is FeSi75 suitable for foundry inoculation?
A: FeSi75 can be used as a silicon-bearing material in foundry applications. The suitable particle size, composition and addition method depend on your casting process, so these requirements should be confirmed before ordering.
Q: What packing options are available for FeSi75?
A: Common packing options include 1 MT big bags, 50 kg bags and 50 kg drums. Other packing requirements can be discussed before order confirmation.
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