📅 Updated: July 2026
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📦 Custom Particle Sizes & OEM Packaging Available

As an experienced Graphitized Petroleum Coke supplier, we manufacture and export premium-quality Graphitized Petroleum Coke (GPC) for customers in the steelmaking, foundry, graphite electrode, and advanced carbon materials industries. Produced through an ultra-high-temperature graphitization process above 2,800°C, our GPC offers outstanding purity, high graphitization degree, low sulfur, low nitrogen, and excellent carbon absorption efficiency.

Our Graphitized Petroleum Coke is widely used as a high-performance carbon additive, carbon raiser, and recarburizer for Electric Arc Furnace (EAF) steelmaking, induction furnace melting, ductile iron production, grey cast iron manufacturing, and precision casting. With consistent quality, reliable supply, and flexible customization, we help customers improve production efficiency while reducing overall metallurgical costs.

Whether you are looking for a reliable Graphitized Petroleum Coke manufacturer, Graphitized Petroleum Coke exporter, or long-term carbon additive supplier, we provide stable chemical composition, strict quality control, complete Certificates of Analysis (COA), and global logistics support for every shipment.

Modern steel plants and foundries require more than just a carbon source-they need a carbon additive that delivers consistent quality, high absorption efficiency, and reliable metallurgical performance. Our Graphitized Petroleum Coke is designed to meet these demanding requirements.

High Fixed Carbon Content

With fixed carbon typically reaching 98.5% or higher, GPC provides an efficient source of carbon for steelmaking and cast iron production while minimizing impurities that may affect final product quality.

Low Sulfur & Low Nitrogen

Low sulfur and nitrogen levels are essential for producing high-grade steel and precision castings. Our carefully selected raw materials and advanced graphitization process help maintain low impurity levels, reducing the risk of defects in finished products.

Excellent Carbon Recovery

The graphitized crystal structure enables rapid dissolution in molten metal, resulting in higher carbon absorption rates and reduced material consumption compared with conventional carbon additives.

 

Stable Chemical Composition

Each production batch undergoes strict chemical analysis to ensure consistent carbon, sulfur, ash, moisture, and volatile matter levels, helping customers maintain stable production processes.

Faster Melting & Improved Efficiency

Thanks to its highly graphitized structure, GPC dissolves quickly during melting, reducing furnace operation time, lowering energy consumption, and improving production efficiency.

Multiple Particle Sizes Available

We supply Graphitized Petroleum Coke in powder, granules, and lump forms to suit different furnace types, feeding systems, and metallurgical processes.

Reliable Global Supply

With stable production capacity, flexible packaging options, and worldwide logistics support, we provide dependable deliveries for steel mills, foundries, and metallurgical distributors across global markets.

Graphitized Petroleum Coke (GPC) is a premium synthetic graphite material produced by heating high-quality Calcined Petroleum Coke (CPC) at ultra-high temperatures of 2,800–3,000°C inside a graphitization furnace. During this process, the disordered carbon atoms gradually rearrange into a highly ordered hexagonal graphite crystal structure, significantly improving the material's physical, chemical, and metallurgical properties.

Compared with ordinary petroleum coke or traditional carbon additives, fully graphitized petroleum coke offers much higher purity, lower sulfur, lower nitrogen, better electrical conductivity, higher true density, and significantly improved carbon absorption efficiency. These characteristics make GPC one of the most effective carbon raisers available for modern steelmaking and foundry operations.

Graphitized Petroleum Coke is widely recognized as a premium carbon additive, recarburizer, and carbon raiser for Electric Arc Furnace (EAF) steelmaking, induction furnace melting, ductile iron production, grey cast iron manufacturing, precision casting, graphite electrode production, and advanced carbon material manufacturing.

Unlike anthracite coal, ordinary petroleum coke, or semi-graphitized coke, fully graphitized petroleum coke provides faster dissolution, more stable carbon recovery, cleaner metallurgy, and lower impurity introduction. These advantages help manufacturers improve production efficiency, reduce slag generation, shorten melting time, and achieve more consistent product quality.

As global demand continues to grow for cleaner steel, green manufacturing, and high-performance carbon materials, Graphitized Petroleum Coke has become one of the most important raw materials in the metallurgical industry. It is increasingly used not only in steel mills and foundries but also in lithium-ion battery anode materials, graphite electrodes, specialty graphite products, and other advanced industrial applications.

The production of Graphitized Petroleum Coke (GPC) begins with carefully selected Calcined Petroleum Coke (CPC) as the primary raw material. Through an advanced graphitization process, the material is heated in a high-temperature graphitization furnace at temperatures exceeding 2,800°C. Under these extreme conditions, the carbon atoms rearrange into a highly ordered graphite crystal structure, significantly improving the product's purity, electrical conductivity, thermal stability, and carbon absorption efficiency.

After graphitization, the material is naturally cooled before undergoing crushing, screening, magnetic separation, and particle size classification. Every production batch is subjected to strict quality inspections to verify fixed carbon content, sulfur level, nitrogen content, ash, moisture, and particle size distribution. Only materials that meet the required specifications are approved for packaging and shipment.

This advanced manufacturing process ensures that our Graphitized Petroleum Coke Supplier products deliver stable quality, excellent carbon recovery, low impurity levels, and reliable metallurgical performance for steelmaking, foundry, and casting applications worldwide.

To meet the diverse requirements of the global steelmaking, foundry, and metallurgical industries, our Graphitized Petroleum Coke is available in a wide range of particle sizes and customized specifications. Different furnace types and production processes require different particle distributions, and selecting the appropriate size helps improve feeding efficiency, carbon absorption, and overall melting performance.

Standard particle sizes include 0–1 mm, 1–5 mm, 1–10 mm, 1–3 mm, 3–8 mm, 5–15 mm, 10–30 mm, 10–50 mm, and 1–50 mm. Customized particle sizes are also available according to customer requirements.

For international transportation and long-term storage, all products are packed using moisture-resistant materials to maintain product quality during shipping. Standard packaging options include 25 kg woven bags, 1 MT jumbo bags, 25 kg bags on pallets, and customized OEM packaging with customer labels. Every package is clearly marked with product specifications, batch numbers, and production information to ensure full traceability.

Whether you require bulk shipments for steel plants or customized packaging for distribution, we provide flexible solutions supported by reliable global logistics and timely delivery.

Quality Control

Consistent quality is the foundation of reliable metallurgical performance. Every batch of Graphitized Petroleum Coke is manufactured under a strict quality management system, from raw material selection to final inspection. High-quality Calcined Petroleum Coke is carefully selected to ensure stable carbon content and low impurity levels before entering the graphitization process.

During production, samples are regularly analyzed to monitor Fixed Carbon, Sulfur, Nitrogen, Ash, Volatile Matter, Moisture, and particle size distribution. Advanced laboratory equipment and standardized testing procedures ensure that each shipment meets customer specifications and international quality requirements.

Before delivery, every order undergoes a final inspection, and a Certificate of Analysis (COA) can be provided upon request. We also support SGS, BV, and other third-party inspections to give customers greater confidence in product quality. Our commitment to continuous quality improvement helps customers achieve stable production, higher carbon recovery, and consistent metallurgical results.

Global Supply & Export Service

As an experienced Graphitized Petroleum Coke manufacturer and exporter, we serve customers across Europe, North America, South America, Southeast Asia, the Middle East, Africa, and Oceania. Our products are widely used by steel mills, foundries, graphite electrode manufacturers, carbon material producers, and international distributors seeking reliable quality and long-term supply.

We understand that every project has unique technical and commercial requirements. In addition to standard products, we provide customized chemical specifications, particle size adjustments, flexible packaging solutions, and professional technical support to help customers optimize their melting and casting processes.

From quotation and sampling to mass production, container loading, customs documentation, and international shipping, our experienced export team manages every stage of the order process. With stable production capacity, competitive lead times, and responsive after-sales service, we are committed to building long-term partnerships and ensuring a smooth purchasing experience for customers around the world.

Although both Graphitized Petroleum Coke and Calcined Petroleum Coke are widely used as carbon additives in the metallurgical industry, they differ significantly in manufacturing process, carbon structure, and application performance.

Graphitized Petroleum Coke (GPC) is produced by subjecting Calcined Petroleum Coke (CPC) to an additional graphitization process at temperatures above 2,800°C. This high-temperature treatment transforms the carbon into a highly ordered graphite crystal structure, resulting in higher fixed carbon content, lower sulfur and nitrogen levels, faster dissolution, and superior carbon absorption.

In contrast, Calcined Petroleum Coke is manufactured by calcining raw petroleum coke at approximately 1,200–1,350°C. While CPC offers a relatively high carbon content and is more economical, it retains a less ordered carbon structure, resulting in lower carbon recovery and slower dissolution during melting.

For foundries and steel mills producing high-grade steel, ductile iron, or precision castings, Graphitized Petroleum Coke is generally the preferred choice due to its cleaner metallurgy, stable chemical composition, and higher production efficiency. Calcined Petroleum Coke, on the other hand, is often selected for applications where production costs are the primary concern and metallurgical requirements are less demanding.

Comparison Table

How to Choose the Right Graphitized Petroleum Coke

Selecting the right Graphitized Petroleum Coke depends on your melting process, product requirements, and quality standards. Choosing an unsuitable grade may reduce carbon recovery, increase production costs, or affect the final quality of steel and cast iron.

For Electric Arc Furnace (EAF) steelmaking, high fixed carbon and low sulfur grades are recommended to improve refining efficiency and produce cleaner steel. Induction Furnace users generally prefer products with uniform particle size and fast dissolution to ensure stable carbon adjustment during melting.

In the foundry industry, manufacturers producing ductile iron should select low sulfur Graphitized Petroleum Coke to avoid interference with the nodularization process. For grey cast iron, stable carbon content and consistent particle size are often more important than extremely low sulfur levels.

When evaluating suppliers, customers should consider not only chemical composition but also production consistency, quality control systems, testing capabilities, packaging options, and export experience. A reliable supplier should be able to provide technical documentation, customized specifications, and responsive customer support to meet different production requirements.

As modern metallurgy continues to demand cleaner steel and higher production efficiency, Graphitized Petroleum Coke has become one of the most widely used carbon additives in steelmaking and foundry operations. Compared with conventional recarburizers, GPC offers a unique combination of high purity, excellent carbon absorption, and stable metallurgical performance.

One of the most important advantages of Graphitized Petroleum Coke is its high fixed carbon content. A higher carbon concentration means less material is required to achieve the target carbon level, helping manufacturers reduce raw material consumption and improve cost efficiency. At the same time, its low sulfur, low nitrogen, and low ash characteristics minimize the introduction of harmful impurities, making it suitable for producing high-quality steel and precision castings.

Another key benefit is its rapid dissolution in molten metal. Thanks to its highly graphitized crystal structure, GPC dissolves more quickly than many traditional carbon materials, shortening melting time and improving carbon recovery. This not only increases furnace productivity but also contributes to more stable chemical composition and better process control.

For manufacturers focused on product quality, Graphitized Petroleum Coke also helps improve the microstructure of cast iron and steel. Stable carbon addition supports better graphite formation, enhances mechanical properties, reduces casting defects, and improves machining performance. These advantages make GPC an ideal choice for industries requiring consistent product quality and high production efficiency.

Choosing the right supplier is just as important as choosing the right product. As an experienced Graphitized Petroleum Coke manufacturer and exporter, we are committed to providing not only high-quality materials but also dependable service and long-term cooperation.

Stable Raw Material Supply

We carefully select premium Calcined Petroleum Coke to ensure consistent quality and reliable performance.

Advanced Manufacturing Technology

Modern graphitization furnaces and standardized production processes ensure high graphitization degree, stable chemical composition, and excellent carbon recovery.

Strict Quality Control

Every batch undergoes comprehensive laboratory testing before shipment, and complete COA documentation is available upon request.

Flexible Customization

We provide customized chemical composition, particle sizes, packaging, and OEM branding to meet different customer requirements.

Reliable Global Export

Our products are exported to customers across Europe, Asia, the Middle East, Africa, North America, and South America with stable logistics support and professional export documentation.

Professional Technical Support

Our experienced technical team assists customers with product selection, dosage recommendations, melting process optimization, and after-sales support to help improve production efficiency.

Because of its excellent metallurgical performance, Graphitized Petroleum Coke is used across a wide range of industries where precise carbon control and low impurity levels are essential.

The steel industry is the largest consumer of GPC, using it as a premium carbon raiser during electric arc furnace and induction furnace steelmaking. It helps achieve target carbon levels while maintaining low sulfur and nitrogen content.

In the foundry industry, Graphitized Petroleum Coke is widely used in the production of ductile iron, grey cast iron, and other cast components requiring excellent mechanical properties and dimensional stability.

Manufacturers of automotive components, machinery parts, wind power equipment, mining machinery, railway castings, hydraulic components, and engineering castings also rely on high-quality GPC to ensure stable production and consistent product quality.

In addition, Graphitized Petroleum Coke is used in the production of carbon materials, graphite products, and certain specialized metallurgical applications where high-purity carbon is required.

Global Demand for Graphitized Petroleum Coke Continues to Grow

The global market for Graphitized Petroleum Coke (GPC) continues to expand as steel manufacturers, foundries, and advanced material producers demand cleaner, more efficient carbon additives. Increasing investment in Electric Arc Furnace (EAF) steelmaking, infrastructure development, renewable energy projects, and electric vehicle production is driving long-term demand for high-purity graphitized carbon materials.

Compared with traditional carbon sources, Graphitized Petroleum Coke provides superior carbon recovery, lower sulfur content, and improved metallurgical performance, making it the preferred choice for manufacturers seeking higher product quality and lower production costs.

Industry analysts expect demand for premium Graphitized Petroleum Coke to continue growing as more steel producers adopt environmentally friendly production technologies and stricter quality standards.

Green Steel Manufacturing Is Increasing Demand

Many steel producers worldwide are shifting from traditional blast furnace production toward Electric Arc Furnace (EAF) steelmaking to reduce carbon emissions and improve energy efficiency.

EAF steelmaking relies heavily on high-quality carbon additives and recarburizers to precisely adjust carbon content during melting.

Because Graphitized Petroleum Coke offers:

• High carbon recovery
• Low sulfur
• Low nitrogen
• Excellent dissolution
• Stable chemical composition

it has become one of the preferred carbon materials for modern green steel production.

Foundries Continue Upgrading Carbon Additives

The foundry industry is also moving toward cleaner and more consistent carbon materials.

Manufacturers producing ductile iron, grey cast iron, and precision castings increasingly replace ordinary petroleum coke and anthracite with premium Graphitized Petroleum Coke.

This transition helps improve:

• Casting consistency
• Graphite morphology
• Mechanical properties
• Surface finish
• Production efficiency

Growing Demand from Battery Materials

Beyond traditional metallurgy, Graphitized Petroleum Coke is becoming an important raw material for synthetic graphite used in lithium-ion battery anodes.

As electric vehicle production continues to expand worldwide, demand for high-purity graphitized carbon materials is expected to increase steadily.

Battery-grade GPC requires:

• Extremely high fixed carbon
• Ultra-low sulfur
• Ultra-low ash
• High graphitization degree
• Excellent conductivity

Although battery applications require additional purification and processing, Graphitized Petroleum Coke remains one of the most important precursor materials.

Long-Term Market Outlook

Future growth of the Graphitized Petroleum Coke market is expected to be supported by several factors:

• Expansion of Electric Arc Furnace steelmaking
• Growth of renewable energy infrastructure
• Rising demand for high-quality castings
• Development of electric vehicles
• Increasing graphite electrode production
• Global emphasis on cleaner steel manufacturing

These trends are expected to drive continuous demand for premium Graphitized Petroleum Coke in both traditional metallurgy and emerging advanced material industries.

1. What Is Graphitized Petroleum Coke (GPC)?

Graphitized Petroleum Coke (GPC) is a high-purity carbon material produced by heating Calcined Petroleum Coke (CPC) at temperatures above 2,800–3,000°C. This graphitization process transforms the carbon into a highly ordered graphite crystal structure, giving GPC excellent electrical conductivity, low sulfur content, high fixed carbon, and outstanding carbon recovery. It is widely used as a carbon additive, carbon raiser, and recarburizer in steelmaking, foundry, graphite electrode production, and advanced carbon materials.

2. What Is Graphitized Petroleum Coke Used For?

Graphitized Petroleum Coke is primarily used to increase the carbon content of molten steel and cast iron during metallurgical production.

Typical applications include:

• Electric Arc Furnace (EAF) steelmaking
• Induction Furnace melting
• Ductile iron production
• Grey cast iron manufacturing
• Precision casting
• Graphite electrode production
• Carbon products
• Lithium-ion battery anode materials

3. What Is The Difference Between Graphitized Petroleum Coke And Calcined Petroleum Coke (CPC)?

Calcined Petroleum Coke is produced by calcining green petroleum coke at approximately 1,200–1,350°C. Graphitized Petroleum Coke undergoes an additional graphitization process at temperatures above 2,800°C, creating a highly ordered graphite crystal structure.

Compared with CPC, GPC offers:

• Higher fixed carbon
• Lower sulfur
• Lower nitrogen
• Faster dissolution
• Higher carbon recovery
• Better electrical conductivity
• Improved metallurgical performance

4. Why Is Low Sulfur Important In Graphitized Petroleum Coke?

Sulfur can negatively affect the mechanical properties, toughness, weldability, and corrosion resistance of steel and cast iron.

Low-sulfur Graphitized Petroleum Coke helps:

• Produce cleaner steel
• Improve ductile iron quality
• Reduce hot brittleness
• Minimize metallurgical defects
• Meet demanding international specifications

5. What Fixed Carbon Content Is Recommended?

The recommended fixed carbon depends on the application.

≥99.0% – Premium alloy steel, battery materials, graphite products

≥98.5% – Steelmaking, foundry, ductile iron

≥98.0% – General metallurgical applications

Higher fixed carbon generally improves carbon efficiency while reducing material consumption.

6. What Particle Sizes Are Available?

We supply Graphitized Petroleum Coke in a wide range of particle sizes, including:

• 0–1 mm
• 1–3 mm
• 1–5 mm
• 1–10 mm
• 3–8 mm
• 5–15 mm
• 10–30 mm
• 10–50 mm

Custom particle sizes are available according to customer requirements.

7. What Is The Carbon Recovery Rate Of Graphitized Petroleum Coke?

Under normal steelmaking and foundry operating conditions, Graphitized Petroleum Coke can achieve a carbon recovery rate of over 95%.

Actual recovery depends on factors such as:

• Furnace type
• Addition method
• Melting temperature
• Holding time
• Particle size
• Operating practice

8. Can Graphitized Petroleum Coke Replace Calcined Petroleum Coke?

Yes.

For high-quality steelmaking and foundry applications, Graphitized Petroleum Coke is often preferred because it provides:

• Higher carbon recovery
• Lower sulfur
• Lower nitrogen
• Faster melting
• Better process stability

Although the purchase price is higher, many manufacturers achieve lower total production costs due to reduced consumption and improved efficiency.

9. Can Graphitized Petroleum Coke Be Used In Ductile Iron Production?

Yes.

Graphitized Petroleum Coke is one of the most widely used recarburizers for ductile iron.

Its low sulfur and high carbon recovery help improve graphite spheroidization, reduce defects, and enhance mechanical properties.

10. Is Graphitized Petroleum Coke Suitable For Electric Arc Furnace (EAF) Steelmaking?

Absolutely.

Graphitized Petroleum Coke is an ideal carbon additive for Electric Arc Furnace steelmaking because of its:

1. High carbon purity
2. Fast dissolution
3. Excellent carbon recovery
4. Low sulfur
5. Stable chemical composition

These characteristics contribute to cleaner steel production and improved furnace efficiency.

11. How Is Graphitized Petroleum Coke Manufactured?

Production begins with high-quality Calcined Petroleum Coke (CPC).

The material is heated above 2,800–3,000°C in a graphitization furnace, transforming the carbon into a highly ordered graphite crystal structure.

After graphitization, the product is cooled, crushed, screened, tested, and packaged according to customer specifications.

12. How Should Graphitized Petroleum Coke Be Stored?

Graphitized Petroleum Coke should be stored in a clean, dry, and well-ventilated warehouse.

Avoid:

1. Rain exposure
2. Moisture
3. Oil contamination
4. Mixing with other materials

Proper storage helps maintain consistent product quality and performance.

13. Can Chemical Composition Be Customized?

Yes.

We can customize:

• Fixed Carbon
• Sulfur
• Nitrogen
• Ash
• Moisture
• Particle Size
• Packaging

Customized production is available for different steelmaking, foundry, and carbon material applications.

14. What Packaging Options Do You Offer?

Standard packaging includes:

1. 25 kg woven bags
2. 25 kg bags on pallets
3. 500 kg jumbo bags
4. 1 MT jumbo bags
5. Bulk packaging

OEM packaging and private-label printing are also available.

15. Do You Provide Certificate Of Analysis (COA)?

Yes.

Every shipment can be supplied with a Certificate of Analysis (COA) showing:

1. Fixed Carbon
2. Sulfur
3. Nitrogen
4. Ash
5. Moisture
6. Volatile Matter
7. Particle Size

Third-party inspection reports from SGS, BV, or other agencies are available upon request.

16. Which Countries Do You Export To?

We export Graphitized Petroleum Coke to customers in:

• Europe
• North America
• South America
• Southeast Asia
• Middle East
• Africa
• Oceania

Our experienced export team supports international logistics, customs documentation, and after-sales service.

17. What Is Your Typical Lead Time?

For standard specifications, production and shipment are generally completed within 15–20 days after order confirmation.

Customized products may require 20–30 days, depending on production schedules and technical requirements.

18. What Industries Commonly Use Graphitized Petroleum Coke?

Graphitized Petroleum Coke is widely used in:

1. Steel mills
2. Foundries
3. Casting manufacturers
4. Graphite electrode plants
5. Carbon material manufacturers
6. Battery material producers
7. Metallurgical distributors
8. Refractory manufacturers

19. Why Choose Your Company As A Graphitized Petroleum Coke Supplier?

We offer:

• Stable raw material sourcing
• Advanced graphitization technology
• Strict quality control
• Competitive pricing
• Customized specifications
• Fast international delivery
• Professional technical support
• Long-term supply capability

Our goal is to help customers improve production efficiency while maintaining consistent product quality.

20. How Can I Request A Quotation?

Simply send us your required:

1. Chemical composition
2. Particle size
3. Quantity
4. Packaging requirements
5. Destination port

Our sales team will provide a detailed quotation, technical recommendation, and delivery schedule as quickly as possible.

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