FeSi Alloy Granules 70 Percent Silicon Bright Grey For Nodular Cast Iron Inoculation Process
FeSi Alloy 70% granules contain around 70% silicon, with a bright grey metallic finish and granular form (typically 1-10 mm). They are engineered for nodular cast iron inoculation, promoting uniform graphite nodule formation and reducing chill.
Product Specifications
| Property |
Typical Specification |
| Si content |
~68-72% (nominal 70%) |
| Form |
Granules/spheroids |
| Color |
Bright grey metallic |
| Density |
~5.0-5.2 g/cm³ |
| Main use |
Inoculation in ductile iron production |
Key Features
- Optimized Si level: Balances graphitization promotion with cost efficiency
- Granular form: Allows accurate metering and even dispersion in treatment ladles
- Bright grey appearance: Indicates fresh, low‑oxide material with high metallic content
Benefits in Cast Iron Inoculation
- Refines grain structure: Prevents formation of hard spots and chill zones in gray iron
- Promotes nodular graphite: Works with magnesium treatment to produce ductile iron with high elongation and strength
- Process consistency: Granule sizing ensures repeatable inoculation results batch‑to‑batch
Applications
- Production of ductile (nodular) iron for automotive components, pipe fittings, and machinery parts
- Inoculation of gray iron in sand casting and permanent mold operations
Ferro Silicon Specifications
| Brand |
Si% ≥ |
Al% ≤ |
Ca% ≤ |
P% ≤ |
S% ≤ |
C% ≤ |
Fe% |
| FeSi75 |
75 |
1.5 |
1 |
0.035 |
0.02 |
0.2 |
Balance |
| FeSi72 |
72 |
1.5 |
1 |
0.04 |
0.02 |
0.2 |
Balance |
| FeSi70 |
70 |
1.5 |
1 |
0.04 |
0.02 |
0.2 |
Balance |
| FeSi65 |
65 |
2 |
1 |
0.04 |
0.02 |
0.2 |
Balance |
Sizes: 10-50mm, 0-3mm, 1-3mm, 0-10mm or as your requirement or according to customers' requirements
Available sizes: 0-1mm, 1-3mm, 3-10mm, 300mesh
Packing & Delivery
Packing: 25Kg/bag, 1MT/bag or as your requirements.
Remark: chemical composition and size can be optimized by the customers' requirements.
Why Choose ZhenAn?
We understand the common pain points in Ferro Silicon sourcing today:
- High local cost and unstable supply
- Long lead times affecting project schedules
- Incomplete product ranges
- Slow communication and lack of follow-up
We Help Solve These Problems With:
- Large stock ready for fast delivery
- One-stop sourcing for Ferro Silicon, silicon metal, Silicon Metal Powder, and more
- Strict quality control with international standards
- Experienced sales team with fast response and clear communication
We'd love to learn more about your needs and offer you competitive prices and efficient service.
"Customer-centered, market-oriented, reputation-based development, and management to create benefits."
ZhenAn strives to be a leader in the global metallurgical alloy industry, delivering reliable, high-purity, and cost-effective products for steel, foundry, energy, and advanced manufacturing sectors.
Frequently Asked Questions
Q: How's the delivery time?
A: It depends on the quantity you need.
Q: Are you a manufacturer or trader?
A: We are a manufacturer.
Q: How is the product quality?
A: The products undergo strict inspection before shipment, so quality is guaranteed.
Q: How do you guarantee the quality?
A: Our factory's lab provides a quality report, and we can arrange third-party inspection at the loading port.
Q: Can you supply special sizes and packaging?
A: Yes, we can provide sizes and packaging according to the buyer's request.
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