90% Si Metallurgical Lumpy Material
Product Description
The 90% Si Metallurgical Lumpy Material is specifically engineered for bulk purchasing in large-scale steelmaking and ferroalloy production. Its high silicon purity (≥90%) and robust 10-50mm lumpy form deliver excellent deoxidation efficiency and slag fluidity, making it a trusted workhorse for heavy industry.
Chemical Composition
|
Element |
Content (%) |
|---|---|
|
Silicon (Si) |
≥ 90% |
|
Iron (Fe) |
≤ 4% (Typical) |
|
Aluminum (Al) |
≤ 1.8% (Typical) |
|
Calcium (Ca) |
≤ 0.8% (Typical) |
|
Carbon (C) |
≤ 0.8% (Typical) |
|
Sulfur (S) |
≤ 0.04% |
|
Phosphorus (P) |
≤ 0.04% |
Available Sizes
10-50mm (Mainstream specification)
Custom sizes tailored to silo dimensions.
Product Advantages
Bulk Pricing Advantage: Economies of scale result in highly competitive pricing for orders exceeding 1,000 tons.
High Purity Assurance: Low levels of harmful impurities (Al, Ca, P, S) protect furnace linings and extend service life.
Consistency: Closed-loop production management ensures minimal chemical fluctuation between batches, eliminating the need for frequent recipe adjustments.
One-Stop Service: Comprehensive support from port loading coordination to customs clearance and technical consultation.
Applications & Case Study
Used as a primary deoxidizer and alloying agent in large blast furnaces/EAFs, as well as an additive in refractory industries.
Case Study: Supplied continuously for two years to a Malaysian steel mill (annual output >1M tons) as a staple deoxidizer, resulting in significantly improved furnace stability reported by the client.
Packaging, Shipping & Certifications
Packaging: Primarily Bulk (cost-saving); Jumbo bags available upon request.
Shipping: Tianjin/Rizhao Port; supports Bulk Carriers to minimize freight costs.
Certifications: ISO 9001, BV/SGS Full Analysis Report, compliant with EU RoHS directives regarding specific impurities.
Company Strength
Holding independent import/export rights and AEO certification, our annual export volume exceeds USD 50 million. We operate a global after-sales network and possess extensive production facilities capable of handling concurrent multi-line shipments.
FAQ
Q: How do you ensure quality consistency for bulk orders?
A: We conduct multi-point sampling and analysis prior to loading, issuing a Certificate of Analysis (CoA) for every shipment to match pre-shipment samples.
Q: What is the MOQ?
A: Typically 500 tons (minimum for bulk break cargo or FCL/OT containers), subject to port loading conditions.
Q: Are payment terms secure?
A: We strongly recommend L/C at sight or T/T transactions covered by Sinosure (China Export & Credit Insurance Corporation) to ensure mutual financial security.
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