Products Description
Ferro Silicon Barium (FeSiBa) Inoculant is a powerful alloy additive used in the foundry industry to improve the structure and quality of cast iron. Made from a blend of silicon, iron, and barium, this inoculant promotes uniform graphite formation, reduces chill, and minimizes the risk of casting defects. It is particularly valued for its strong anti-recession (fade-resistant) inoculation effects and its ability to refine microstructures in both grey and ductile iron.
Specification
| Grade | Si | Ba | Ca | Al | C |
|---|---|---|---|---|---|
| FeBa2Si65 | ≥65% | ≥2% | - | ≤3.0% | ≤0.30% |
| FeBa5Si60 | ≥60% | ≥5% | - | ≤3.0% | ≤0.30% |
| FeBa10Si55 | ≥55% | ≥10% | - | ≤3.0% | ≤0.30% |
| FeBa15Si50 | ≥50% | ≥15% | - | ≤3.0% | ≤0.30% |
Packaging Options:
- 1MT Jumbo Bags with liner
- 25kg bags on pallets
- Customized packaging on request
Sizes Available:
- Lump: 10–100 mm
- Granule: 1–10 mm
- Powder: -200 mesh
What is Ferro Silicon Barium Inoculant Used for in Foundries?
- Promotes Graphite Nucleation – It is added to molten iron to create fine, uniform graphite precipitates, which significantly improves the mechanical properties of castings.
- Reduces Chill and Carbide Formation – It effectively eliminates white edges and chill in thin sections of castings, ensuring consistent hardness and machinability throughout the workpiece.
- Enhances Inoculation Efficiency – Its high barium content provides a longer-lasting inoculation effect compared to standard inoculants, reducing fading and ensuring uniform performance even in thick-walled castings.
- Improves Casting Quality – It also improves fluidity and reduces shrinkage porosity, resulting in denser, stronger castings with better surface finish and dimensional stability.
How Does Barium Improve Inoculation Effectiveness?
- Enhances Graphite Nucleation – Barium significantly increases the number of active nucleation sites for graphite precipitation. This results in a more uniform and refined graphite structure throughout the casting.
- Prolongs Inoculation Effect (Reduces Fading) – One of the key advantages of barium is its ability to slow down the fading process. The inoculation effect lasts much longer compared to conventional inoculants, which is especially critical for large or thick-walled castings that take longer to solidify.
- Stronger Deoxidation – Barium is a powerful deoxidizer. It effectively removes dissolved oxygen from the molten iron, creating a cleaner melt that is more receptive to inoculation and produces fewer oxide inclusions in the final casting.
- Reduces Chill and Carbide Formation – Barium-containing inoculants are highly effective at preventing the formation of white edges (chill) and carbides, particularly in thin sections. This ensures consistent hardness and improved machinability across the entire casting.
- Improves Nodularity in Ductile Iron – In ductile iron production, barium promotes better spheroidization of graphite, resulting in higher nodule count and more uniform nodule distribution, which directly translates to superior mechanical properties.
- Minimizes Section Sensitivity – Castings with varying thicknesses often experience uneven microstructure. Barium reduces this section sensitivity, ensuring that thin and thick sections solidify with similar graphite morphology and mechanical characteristics.
- Improves Fluidity and Castability – The addition of barium improves the flowability of molten iron, allowing it to fill complex molds and thin-walled cavities more easily, which reduces defects such as misruns and cold shuts.
FAQ
Q:Are you a factory or a trading company?
A: We are a direct manufacturer of SiCaAl alloy and other ferroalloys. Our facility is ISO 9001:2015 certified, and we maintain full quality control from raw material selection to final packaging. This allows us to offer competitive pricing and consistent quality control.
Q:What certifications do you hold?
A: Our certifications include:
ISO 9001:2015 (Quality Management System)
CIQ Certification (China Inspection and Quarantine)
ISO 14001 (Environmental Management – optional for some facilities)
SGS, Bureau Veritas – Qualified supplier status
Q: Can you ship CIF or CFR to my port?
A: Yes. We offer multiple incoterms:
EXW (Ex-works, our factory)
FOB (Free on Board, Tianjin/Qingdao/Shanghai port)
CFR / CIF (Insurance optional)
Door-to-door for small express shipments
Please provide your destination port and container preference for an accurate shipping quote.
Q: Do you provide third-party inspection?
A: Yes. We can arrange inspection by SGS, Bureau Veritas, Intertek, or CIQ at the buyer's expense. The inspection can be conducted at our factory or at the loading port. Our standard Certificate of Analysis accompanies every shipment and is available for review before shipping.
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