Calcined Petroleum Coke
Calcined Petroleum Coke is a high-purity carbon recarburizer processed by thermal calcination of green petroleum coke, delivering high density, rapid dissolution, and minimal residual ash for precision steelmaking and foundry melting.
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Product Introduction
Calcined Petroleum Coke is a high-purity carbon recarburizer processed by thermal calcination of green petroleum coke, delivering high density, rapid dissolution, and minimal residual ash for precision steelmaking and foundry melting.
Specifications
|
Item |
Specification |
|
Product Name |
Calcined Petroleum Coke (CPC) |
|
Raw Material |
Green Petroleum Coke (GPC) |
|
Fixed Carbon (FC) |
98–99% |
|
Sulfur (S) |
≤ 0.5% (Customizable) |
|
Ash Content |
≤ 0.5% |
|
Volatile Matter |
≤ 0.5% |
|
Moisture |
≤ 0.5% |
|
Origin |
China |
Technical & Metallurgical Advantages
High Fixed Carbon & Low Thermal Shock Loss
Near-zero volatiles ensure instantaneous carbon recovery without localized melt cooling or flame bursts during top-charging.
Low Ash & Slag Reduction
Ash content under 0.5% prevents slag accumulation inside induction furnaces, reducing refractory maintenance costs and lining wear.
Tailored Sulfur Grades for Target Alloys
Controlled sulfur levels safeguard sensitive steel grades against hot shortness and grain boundary embrittlement.
High Bulk Density & Fast Sink Rate
Dense physical structure enables the particles to penetrate slag layers quickly and dissolve deeper in the bath rather than floating.
Metallurgical Process Applications
Electric Arc Furnace (EAF) Steelmaking: Rapid carbon trim in ladle furnaces and primary charge adjustment.
Induction Furnace Cast Iron Melting: Base carbon compensation for gray iron, ductile iron, and alloy steel castings.
Aluminum Anode & Carbon Electrode Production: Key raw material filler for carbon block manufacturing and specialty carbon paste.
Customization Options
|
Customization Parameter |
Available Options & Technical Scope |
|
Sulfur Level Control |
Low-sulfur (≤0.5%), medium-sulfur (≤1.5%), or custom sulfur thresholds |
|
Particle Size Fractions |
0.5–5 mm, 1–3 mm, 1–5 mm, 3–8 mm, or custom mesh sizing |
|
Packaging Solutions |
25 kg multi-ply paper/PE bags, 1 MT heavy-duty jumbo bags, or shrink-wrapped export pallets |
|
Branding & Markings |
OEM private packaging, customized color bands, handling instruction icons, and stencil shipping marks |
Batch Quality Control
Raw Green Coke Selection: Strictly sourced from high-quality petroleum refineries prior to vertical shaft calcination.
Continuous Thermal Process Control: High-temperature processing drives off hydrogen, hydrocarbons, and residual moisture for structural stabilization.
Batch Sizing & Chemical Testing: Every production heat is sampled for Fixed Carbon, Volatiles, Ash, Sulfur, and screen distribution.
Pre-Dispatch Verification: Internal lab analysis data generated for each dispatch lot prior to loading.
Export Packaging & Logistics
Weather-Sealed Moisture Defense: Heavy-duty woven bags lined with internal PE film to prevent ambient moisture reabsorption during ocean transit.
Structural Container Packaging: Sturdily strapped on heat-treated pallets with edge protectors to prevent bag tearing during long-distance handling.
Custom Shipping Documentation: Customized shipping mark stencils, container seal tagging, and complete port-clearing documentation.
Why Partner with Anyang Jingfengyuan Ferroalloy?
31-Year Metallurgical Lineage: Established in 1995, we leverage over three decades of manufacturing experience and 22+ senior engineers to offer tailored alloy ratios and tight tolerance controls.
Scalable Output & Fast Delivery: 80,000+ m² manufacturing base with 8+ dedicated production lines, ensuring an annual output of tens of thousands of tons for bulk orders.
Advanced & Mechanized Production: Equipped with upgraded medium-frequency induction furnaces and fully automated workflows for consistent chemical uniformity.
Certified Quality Assurance: Full batch traceability under ISO 9001, ISO 14000, and GJB 9001 standards, backed by complete in-house lab testing.
Global Logistics & Export Reach: Proven export track record with reliable fulfillment, serving industrial clients across 86+ countries.
FAQ
Q: How does Calcined Petroleum Coke differ from Calcined Anthracite in carbon recovery rate?
A: CPC generally offers a higher Fixed Carbon content (98.5%+) and lower ash (<0.5%) than Calcined Anthracite, resulting in faster dissolution speeds and higher carbon recovery in induction furnaces.
Q: Which sulfur level of CPC should be selected for ductile iron casting versus carbon steelmaking?
A: For ductile iron where sulfur hinders nodulization, low-sulfur CPC (≤0.5%) is recommended. For standard carbon steel refining, medium-sulfur grades offer a cost-efficient solution.
Q: Does the dense structure of CPC affect its reaction time in ladle furnace (LF) refining?
A: No, its high density actually helps the particles sink through the slag layer directly into the molten metal, accelerating overall carbon absorption.
Q: What precautions should be taken regarding moisture control during long-distance ocean shipments?
A: Even though CPC has extremely low inherent moisture (≤0.5%), keeping bags sealed in PE-lined jumbo bags avoids surface condensation, preventing hydrogen pickup during furnace addition.
Q: What essential details are needed to receive a formal commercial quotation for CPC?
A: Please specify your required sulfur limit, particle size fraction, total tonnage, bag packaging type, and target seaport of discharge.
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