Ferroalloys / Deoxidiser
Ferrosilicon
FeSi 75 / FeSi 72
A deoxidiser and alloying additive for carbon, stainless and special steels. Supplied as lump, sized to your furnace, with a COA for every lot.
Deoxidation
Alloying
Inoculation
Custom sizing
75% minSilicon (Si)
2.0% maxAluminium (Al)
1.0% maxCalcium (Ca)
10–50 mmTypical size
Typical specification
| Parameter | FeSi 75 | FeSi 72 |
|---|---|---|
| Si | 75% min | 72% min |
| Al | 2.0% max | 2.5% max |
| Ca | 1.0% max | 1.2% max |
| C | 0.2% max | 0.2% max |
| S | 0.02% max | 0.02% max |
| P | 0.04% max | 0.04% max |
| Fe | Balance | Balance |
| Size | 10–50 mm | 10–50 mm |
| Packing | 1 t jumbo / 25 kg | 1 t jumbo / 25 kg |
TYPICAL VALUES FOR LAYOUT REVIEW — CONFIRM AGAINST COA BEFORE PUBLICATION.
Where it is used
- Final deoxidation in EAF, BOF and ladle furnaces.
- Silicon alloying for electrical, spring and stainless steels.
- Inoculation of grey and ductile iron in the foundry.
Packing & delivery
25 kg PP bags on pallets, 1 t jumbo bags, or bulk in 20' and 40' containers. Bags can be printed with your marks. Loading photos and a full document set are issued before the vessel sails.
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