Industry-Trusted Medium Grain Graphite
The Perfect Balance of Performance and Cost
Medium Grain Graphite (with a particle size range of 0.5–1.0mm) achieves the best balance of performance and cost in industrial applications. It retains sufficient structural strength while offering more cost-effective pricing compared to fine grain graphite, making it an ideal choice for industries such as metallurgy, casting, and EDM (Electrical Discharge Machining).
This material acts as the "jack-of-all-trades" in the industrial world – capable of withstanding high-temperature environments, easy to machine, and with excellent electrical and thermal conductivity. Whether you're creating casting molds, high-temperature furnace components, or EDM electrodes, medium grain graphite provides a reliable solution.
Reliable Medium Grain Graphite Blocks
48-Hour Expert Support – Free consulting & quick issue resolution
Cost-Efficient Production – Bulk scaling reduces costs, no quality loss
Specification of Medium grained graphites
| Grade | Bulk Density |
Ash Content |
Compressive Strength |
Flexural Strength |
Resistivity | Thermal Conductivity |
C.T.E (RT-600℃) |
Grain Size |
| MV-10 | 1.65g/cm³ | 0.25% | 30Mpa | 9Mpa | 11 μΩm | - | - | 0.8mm |
| MV-13 | 1.73g/cm³ | 1.20% | 35Mpa | 15Mpa | 8.5 μΩm | 130W/mK | 3.3x10⁶/℃ | 0.8mm |
| MV-12 | 1.72g/cm³ | 0.20% | 30Mpa | 13Mpa | 9 μΩm | 100W/mK | 3.2x10/℃ | 0.8mm |
| MV-20 | 1.64g/cm³ | 0.30% | 30Mpa | 8.5Mpa | 9.5 μΩm | 2.0mm | ||
| ME-11 | 1.72g/cm³ | 0.12% | 37MPa | 18Mpa | 8~9 μΩm | - | 2.4x10⁶1°℃ | 0.8mm |
| FE-11 | 1.70g/cm³ | 0.20% | - | 20Mpa | 9 μΩm | - | 0.5mm | |
| FE-31 | 1.72g/cm³ | 0.30% | - | 20Mpa | 6 μΩm | - | - | 0.8mm |
| FE-32 | 1.75g/cm³ | 0.30% | - | 20Mpa | 6 μΩm | - | - | 0.8mm |
Key Benefits of Medium Grain Graphite
1. Exceptional Cost-Effectiveness
In most industrial applications, medium grain graphite provides performance comparable to fine grain graphite but at a more competitive price. This makes it an ideal material for businesses aiming to control production costs without compromising on performance.
2. Outstanding Durability
The structure of medium grain graphite is strong and robust, with excellent thermal shock resistance. It can withstand the harshest conditions, including metal casting and high-temperature sintering, ensuring a long service life even under extreme conditions.
3. Excellent Machinability
Medium grain graphite is highly machinable, whether for large, complex components made through vibration molding or long, uniform products produced by extrusion. It can be easily processed to meet the specific needs of your application, making it adaptable to various shapes and sizes for diverse industries.
Range of medium Grain Graphites
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Medium Coarse Graphite Electrodes
Medium Coarse Graphite Electrodes When it comes to electrode materials for Electrical Discharge
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Medium Grain Graphite Blocks & Customized Solutions | SHJ CARBON
Balanced Performance – Medium grain graphite combines high density, stable strength, and easy
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Medium Grain Artificial Graphite Block
Balanced Density and Grain SizeMedium grain graphite offers an ideal balance between fine and
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Customize your High-Density Extruded Graphite Rod with low minimum order quantities, high purity,
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Medium-grained graphite with properties comparable to HLM grades
High-Temperature Reliability – Stable performance up to 2000 °C with strong thermal shock
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Medium Grain Extruded Graphite Block
Consistent Density and StructureProduced by the extrusion process, the blocks feature uniform grain
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Our Manufacturing Processes
At SHJ Carbon, we employ two primary manufacturing methods for producing medium grain graphite blocks: vibration molding and extrusion. These methods are specifically chosen for their ability to produce high-quality products suitable for various industrial applications.
product key technologies

Vibration Molded Graphite
Vibration molding is ideal for producing large, complex shapes with uniform density and excellent isotropic properties. It is the go-to choice for large molds, where precise structure and performance are essential.
Extruded Graphite
Extrusion is specialized in producing long-length products, such as graphite rods and tubes, which offer high axial strength. This method is perfect for creating heating elements and other structural components where continuous material flow is required.

SHJ- medium grain graphite Applications
successful cases
we engineer isostatic graphite solutions for industries where performance and reliability matter most.

Continuous Casting Dies
Medium grain graphite is essential for continuous casting dies due to its thermal shock resistance and strength. It ensures smooth, efficient metal casting in harsh environments.

Casting Sand Molds & Molds
Ideal for casting sand molds, medium grain graphite provides durability and precision, enabling high-quality mold formation and resistance to extreme temperatures in foundries.

EDM Electrodes
With high electrical conductivity, medium grain graphite is the perfect material for EDM electrodes, ensuring accurate machining and high-performance results in electrical discharge machining.

Metal Heat Treatment Fixture
In metal heat treatment, medium grain graphite serves as a high-temperature fixture, providing the strength and resistance needed for consistent performance in heat treatment processes.
Why Choose SHJ-CARBON ?
With 25 years of industry experience, SHJ Carbon deeply understands the material requirements of various sectors. We not only provide standard specification products but also recommend the best material solutions based on your unique working conditions.
We're committed to offering high-quality products and customized solutions that perfectly match your application needs, ensuring consistent performance across the board.
Explore Our Fine Grain Graphite Solutions
If you're looking for even higher precision and performance, consider exploring our Fine Grain Graphite offerings. With a smaller particle size, fine grain graphite is ideal for applications requiring exceptional detail, such as precision machining and high-performance EDM electrodes. While medium grain graphite offers a cost-effective balance for many industrial needs, fine grain graphite excels in environments that demand the utmost in accuracy and efficiency. Learn more about how fine grain graphite can complement your project and deliver enhanced results.

Frequently Asked Questions Of Isostatic carbon graphite
1.What is Medium Grain Graphite?
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Medium grain graphite is a type of synthetic graphite that falls between fine grain and coarse grain graphite in terms of particle size. The typical particle size ranges from 0.5 mm to 1.0 mm, providing a perfect balance of strength, durability, and affordability.
This material is usually manufactured through extrusion or vibration molding, processes that help ensure uniform density and consistent performance across various applications. Medium grain graphite is ideal for industries requiring a reliable material with good thermal conductivity, thermal shock resistance, and ease of machinability.
2. What is the grain size of graphite?
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The grain size of graphite refers to the size of the individual graphite particles within the material. Graphite is classified based on its particle size into three main categories: fine grain, medium grain, and coarse grain.
Fine grain graphite typically has a particle size of less than 0.5mm and is known for its precision and ability to handle high-performance applications.
Medium grain graphite, with a particle size ranging from 0.5mm to 1.0mm, offers a balance between performance and cost, making it suitable for a wide range of industrial uses.
Coarse grain graphite has a particle size greater than 1.0mm, offering excellent mechanical properties but at a higher cost.
Medium grain graphite is particularly valued for its durability, thermal shock resistance, and cost-effectiveness, making it ideal for EDM, foundry molds, and high-temperature applications.
3. What is graphite medium?
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Graphite medium typically refers to the type of graphite with a particle size that falls between fine and coarse grain-commonly medium grain graphite. It strikes a balance between the strength and precision of fine grain graphite and the cost-effectiveness of coarse grain graphite. This medium grain size (usually between 0.5mm to 1.0mm) is widely used in industrial applications where performance and affordability are both key considerations.
Medium grain graphite is ideal for applications such as molds, furnace components, and electrodes due to its reliable performance, excellent machinability, and high thermal conductivity.
4.What are the three types of graphite?
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Graphite can be categorized into three main types, each with its unique properties and applications:
Natural Graphite: Derived from mining and processed to remove impurities. It is mainly used in applications such as lubricants, batteries, and refractory materials.
Synthetic Graphite: Produced through the graphitization process of carbon materials at extremely high temperatures. It is widely used in applications requiring precise control over material properties, such as EDM, foundries, and battery anodes.
Amorphous Graphite: A type of natural graphite with a more disordered structure. It's typically used in paints, pencils, and other products requiring less precision but still benefiting from the unique properties of graphite.
Among these, medium grain synthetic graphite is most commonly used in industrial applications requiring uniform density, thermal stability, and excellent electrical conductivity.
5.What are the grades of graphite?
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Graphite is classified into several grades, each offering specific properties suited to different industrial needs. The primary grades of graphite include:
Fine Grain Graphite: Known for its high precision and ability to handle high-performance applications. It is often used in applications requiring high-density materials, such as EDM electrodes and precision casting.
Medium Grain Graphite: This grade offers a balanced combination of performance and cost-effectiveness. Its versatility makes it suitable for a range of applications, including foundry molds, high-temperature furnace components, and electrodes.
Coarse Grain Graphite: Best suited for applications requiring high mechanical strength and thermal stability. It is typically used in large molds and high-stress components.
Specialty Graphite: Includes grades customized for specific applications, such as high-purity graphite for semiconductor manufacturing or high-conductivity graphite for electrical components.
SHJ Carbon specializes in medium grain graphite, offering solutions that strike the right balance between price and performance, particularly in casting, EDM, and furnace applications.
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What is Fine-grained Graphite?
SHJ-CARBON understands how essential it is to choose the right type of fine-grained graphite for specific applications. With 25 years of experience in processing, recommending, and supplying graphite solutions, we've built a deep understanding of the material forms and how they can be used to meet industry requirements.

What is Medium Grain Graphite?
Medium grain graphite is a type of synthetic graphite that falls between fine grain and coarse grain graphite in terms of particle size. The typical particle size ranges from 0.5 mm to 1.0 mm, providing a perfect balance of strength, durability, and affordability.

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