Ferro Silicon Zirconium Lump 10-50mm For Steelmaking
Low impurities: S ≤0.02%, P ≤0.04%, C ≤0.5%
Size: 10-50mm lump for regular furnace addition and batching
Packing: 25kg bags / 1MT jumbo bags / customized export packing
MOQ: 1MT | Lead time: about 15 days for stock goods
COA, MTC and MSDS can be supplied before shipment
Ferro Silicon Zirconium Lump 10-50mm for Steelmaking is a silicon-zirconium ferroalloy supplied for steelmaking and molten steel treatment. We supply regular FeSiZr lump with Si 45-60%, Zr 15% min, controlled C/S/P impurities and 10-50mm size for furnace addition and batching. Before ordering, you should confirm Si/Zr content, impurity limits, size tolerance, COA, packing method and FOB/CFR/CIF delivery terms.
What Is Ferro Silicon Zirconium?
Ferro Silicon Zirconium, also called FeSiZr alloy, is a ferroalloy containing silicon, zirconium and iron. We supply it in lump form when your steelmaking process requires a functional silicon-zirconium alloy additive.
Silicon can support deoxidation and alloy adjustment under suitable process conditions. Zirconium is an active metallurgical element and may support inclusion modification, grain refinement and molten steel treatment. The actual effect depends on steel grade, furnace practice, addition method and process control.
Before ordering, you should confirm Zr/Si content, C/S/P impurity limits, size distribution, COA, packing method and delivery schedule.
Typical Specifications of Ferro Silicon Zirconium Lump 10-50mm
| Item | Typical Specification |
|---|---|
| Product Name | Ferro Silicon Zirconium Lump |
| Si | 45–60% |
| Zr | 15% min |
| Al | 1.5% max |
| C | 0.5% max |
| S | 0.02% max |
| P | 0.04% max |
| Mn | 0.5% max |
| Ca | 1.3% max |
| Size | 10–50 mm |
| Shape | Lump |
| Packing | 25 kg bags / 1 MT jumbo bags / customized packing |
Why Is Ferro Silicon Zirconium Used in Steelmaking?
Ferro Silicon Zirconium can be used when your steelmaking process requires a silicon-zirconium alloy addition for deoxidation-related control, molten steel treatment, inclusion modification or alloy adjustment. Its actual performance depends on steel grade, furnace condition, addition timing, slag system and process control.
Silicon Contribution
Silicon in Ferro Silicon Zirconium can support deoxidation and alloy adjustment under suitable steelmaking conditions. When your process needs both silicon and zirconium input, FeSiZr helps combine these elements in one ferroalloy addition and supports more convenient batching.
Zirconium Contribution
Zirconium is an active metallurgical element. Under suitable molten steel conditions, it may react with oxygen, nitrogen and sulfur, and may support inclusion modification, grain refinement and molten steel cleanliness control.
The actual effect of zirconium depends on steel composition, oxygen level, furnace practice, addition method and process control. Before bulk ordering, you should confirm Zr content, Si content, C/S/P impurity limits and COA requirements according to your steelmaking process.
Why 10-50mm Lump Size Is Used
The 10-50mm lump size is suitable for furnace charging, batching and bulk handling. Compared with fine powder, this size range reduces handling loss and is easier to pack and transport. Compared with oversized lumps, 10-50mm material is more practical for weighing and regular addition in steelmaking operations.
Key Features of 10-50 mm Ferro Silicon Zirconium
Functional metallurgical alloy additive
This product is not only a ferroalloy, but also a practical additive for molten steel treatment in suitable process routes.
Suitable for deoxidation and inclusion control
Because of the combined metallurgical role of silicon and zirconium, this alloy is used in applications where deoxidation and inclusion-related steel quality improvement are important.
Practical lump size for furnace use
The 10-50 mm specification is suitable for routine furnace charging and bulk industrial handling.
Stable supply for industrial purchasing
This product is available for both spot supply and long-term cooperation, making it suitable for steel plants, foundries, and alloy distributors.
Flexible packaging and delivery support
Standard packaging and export-ready supply options help support different industrial purchasing requirements.
Main Applications of 10-50 mm Ferro Silicon Zirconium
1. Steelmaking
10-50 mm Ferro Silicon Zirconium is mainly used in steelmaking processes where a functional metallurgical additive is required for:
deoxidation-related treatment
molten steel treatment
alloy adjustment
inclusion modification in suitable steel grades
grain refinement in selected applications
The actual metallurgical effect depends on steel grade, process design, furnace practice, and addition method.
2. Molten steel treatment
This product may also be used in molten steel treatment processes where buyers require a ferroalloy additive with combined silicon and zirconium value.
It is considered in process routes where control of molten steel condition and final product stability is important.
3. Selected foundry applications
Although primarily used in steelmaking, Ferro Silicon Zirconium may also be used in selected foundry and casting systems where alloy addition and molten metal treatment are required.
4. Metallurgical alloy adjustment
This alloy can also be used in industrial metallurgical systems where the buyer needs a practical silicon-zirconium-based additive for routine furnace operations and composition support.
Supply & Delivery
MOQ: 1 ton
Delivery time:
about 15 days for stock goods
Flexible delivery for large-volume orders
Sample: free (Pay only for shipping)
We support both spot supply and long-term cooperation.
Packing: 25 kg bags, 1 ton jumbo bags, or customized packaging
Shipping terms: FOB / CIF
Delivery time: about 15 days
All products are packed with moisture-proof protection to ensure safe transportation.
FAQ
Q:What is 10-50 mm Ferro Silicon Zirconium used for?
A:It is mainly used in steelmaking, molten steel treatment, alloy adjustment, and selected foundry applications.
Q:Why is Ferro Silicon Zirconium used in steelmaking?
A:It is used because silicon contributes to deoxidation, while zirconium is valued in suitable processes for inclusion control, grain refinement, and molten steel treatment.
Q:Why is 10-50 mm a common size for this product?
A:The 10-50 mm size range is practical for regular furnace addition, stable batching, and convenient industrial handling.
Q:Can you provide detailed chemical composition?
A:Yes. Detailed composition such as Si, Zr, Al, C, P, S, Mn, and Ca can be provided according to the actual grade and customer requirements.
Q:Do you support bulk orders and long-term cooperation?
A:Yes. We support both spot supply and long-term industrial cooperation.
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