Product Specifications

Ferro Silicon

Ferrosilicon · FeSi

Ferro Silicon supply enquiries are handled by SKP Merchants Ltd, SKP Group’s Kolkata-based trading business. Compare the published grades and sizes below, then share your requirement for delivery in India or an international destination.

Ferro Silicon published specifications
Parameter65 grade70 grade75 grade
Si65% min70% min75% min
Al3% max1.5% max1.5% max
C0.2% max0.15% max0.15% max
P0.04% max0.04% max0.04% max
S0.04% max0.04% max0.04% max
Size10–100 mm · 90% min10–50 mm · 90% min10–60 mm · 90% min

Published specifications guide enquiries. Confirm grade, size, availability and documentation for the intended order.

Before requesting a quotation

Send the complete requirement.

These details help the relevant commercial team assess the enquiry without unnecessary follow-up.

Buyer questions

Useful answers before you enquire.

How do Ferro Silicon 65, 70 and 75 differ?

SKP’s published grades specify minimum silicon of 65%, 70% and 75%. The 65 grade has an aluminium limit of 3%; the 70 and 75 grades each specify 1.5%. Compare the complete chemistry and size ranges before selecting a grade.

Are Ferro Silicon and Ferro Silicon Magnesium the same product?

No. They have separate specifications in SKP’s range. Ferro Silicon is listed by silicon grade; Ferro Silicon Magnesium is listed by magnesium, silicon, calcium and rare-earth content. Confirm the required product with your process team.

How do I enquire about Ferro Silicon in Kolkata or elsewhere in India?

Contact SKP’s commercial team at SKP House, 132 S P Mukherjee Road, Kolkata 700026. Include your required grade, size, quantity and delivery city or plant. The team confirms stock availability, dispatch point and delivery terms for the order; the office address is not a promise of local stock.

Can international buyers request Ferro Silicon?

International supply enquiries are welcome. Specify the destination country and port, quantity, packing, required tests and preferred commercial terms. The quotation confirms availability, origin, selling entity, documentation and delivery arrangements.

What does SKP publish for Ferro Silicon?

Grades covering 65%, 70% and 75% minimum silicon. The published table compares 65 grade, 70 grade, 75 grade. Published values guide enquiries; the final supply specification is agreed for the order.

What should I include in a quotation request?

Please include required grade or chemistry, size or physical form, quantity and delivery location, packing and documentation requirements. Attach an existing specification or reference document in your email if one is available.

Are the website specifications final for every order?

No. Website specifications guide the enquiry. Availability, chemistry, size, sampling, packing and documentation are confirmed with the commercial team for the intended order.

Commercial requirement

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We will preselect the product and carry it into the enquiry.

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Buying From Outside India? Read Our Supply Guide →

Compare the ferro alloys range