FeSi 72 is a ferrosilicon alloy containing approximately 72% silicon. It is used as a deoxidizer, alloying additive, and reducing agent in steelmaking, cast iron production, and ferroalloy manufacturing to improve metallurgical efficiency and material properties.
Parameters
|
Grade |
Chemical composition(%) |
|||||||
|
Si |
Al |
Ca |
Mn |
Cr |
P |
S |
C |
|
|
≤ |
||||||||
|
FeSi75 |
75 |
1.5 |
1 |
0.5 |
0.5 |
0.04 |
0.02 |
0.2 |
|
FeSi72 |
72 |
2 |
1 |
0.5 |
0.5 |
0.04 |
0.02 |
0.2 |
|
FeSi70 |
70 |
2 |
1 |
0.6 |
0.5 |
0.04 |
0.02 |
0.2 |
|
FeSi65 |
65 |
2 |
1 |
0.7 |
0.5 |
0.04 |
0.02 |
0.2 |
|
FeSi60 |
60 |
2 |
1 |
0.8 |
0.6 |
0.05 |
0.03 |
0.3 |
|
FeSi45 |
40-47 |
2 |
1 |
0.7 |
0.5 |
0.04 |
0.02 |
0.2 |
Key Features
Stable chemical composition supports consistent metallurgical performance between production batches.
Good alloy recovery rate helps improve silicon utilization during steelmaking and foundry operations.
Available in multiple particle sizes and lump forms to suit different furnace types and feeding methods.
Applications
Steel Manufacturing – Used as a deoxidizer and alloying agent to improve steel cleanliness and mechanical properties.
Cast Iron Foundries – Added during melting to promote graphitization and improve casting quality.
Ferroalloy Production – Serves as a reducing agent in the production of selected ferroalloys.
Specialty Steel Production – Supplies silicon for silicon-alloyed and electrical steel manufacturing.
Metallurgical Processing Plants – Applied wherever controlled silicon addition and oxygen removal are required during metal refining.
Production & Quality Assurance
Production Process
|
Step |
Description |
|
Raw Material Selection |
High-quality quartz, coke, and iron materials are selected according to production specifications. |
|
Batching |
Raw materials are proportioned to achieve the target FeSi 72 chemical composition. |
|
Electric Arc Furnace Smelting |
Materials are smelted in a submerged arc furnace under controlled electrical parameters. |
|
Casting & Cooling |
Molten alloy is cast and cooled to obtain a stable metallurgical structure. |
|
Crushing & Screening |
Solid alloy is crushed and screened into specified particle size ranges. |
|
Packaging |
Qualified products are weighed, packed, labeled, and prepared for shipment. |
Quality Control
Incoming raw material inspection
Chemical composition analysis (Si, Al, Ca, Mn, Cr, P, S, C)
Spectrometer (OES) verification
Particle size distribution inspection
Moisture content inspection
Visual inspection for contamination
Batch traceability management
Final inspection before shipment
Customization Options
Particle Size
0–3 mm
1–3 mm
3–10 mm
10–50 mm
10–100 mm
Custom sizes
Product Shape
Lump
Granule
Powder
Chemical Composition
Silicon content adjustment within specification
Trace element control according to customer requirements
Branding
OEM
Private label
Customized product labels
Packaging & Shipping
Packaging: Tray, 25 kg bags, 1 MT jumbo bags, or customized export packaging
Loading: Palletized or bulk loading according to order requirements
Shipping Methods: Sea freight, air freight, and express delivery (mainly for samples)
FAQ
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