Medium Grain Artificial Graphite Block
Balanced Density and Grain Size
Medium grain graphite offers an ideal balance between fine and coarse grain, ensuring stable mechanical strength and consistent performance.
Excellent Thermal and Electrical Conductivity
Provides reliable heat and current transfer, making it suitable for electrodes, heating elements, and furnace components.
Good Machinability and Versatility
Can be easily machined into blocks, rounds, rods, and custom shapes, supporting diverse industrial applications.
Durability in High-Temperature Environments
Withstands repeated thermal cycling, molten metals, and chemical exposure with low wear and long service life.
Wide Industrial Applications
Used extensively in glass production, metallurgy, casting, chemical processing, photovoltaics, and battery manufacturing.
Description
Medium Grain Artificial Graphite Block
Medium Grain Artificial Graphite Block is engineered for industries that demand precision, durability, and stable performance under extreme conditions. Manufactured with advanced technology, it features a uniform structure, balanced density, and excellent thermal shock resistance. These blocks provide reliable strength and superior thermal conductivity, making them ideal for EDM electrodes, foundry molds, furnace components, and glass forming tools. SHJ CARBON supplies graphite blocks in standard and customized sizes, ensuring every customer receives the right solution for high-temperature and high-performance applications.
What is Medium Grain Artificial Graphite Block?
A Medium Grain Artificial Graphite Block is a type of special graphite produced through extrusion or vibration molding, with particle sizes typically between 0.8 mm and 2 mm. It combines higher strength and stability than coarse grain grades with better cost efficiency and machinability than fine grain graphite. This balance makes it highly valued in industries that demand both durability and precision, such as EDM, foundry, high-temperature furnaces, and energy applications.
At SHJ CARBON, we bring over 25 years of expertise in special graphite manufacturing. Our long-term service to global customers has taught us that every application has unique requirements. That is why, in addition to standard grades, we provide medium grain graphite solutions tailored to customer needs-whether it isEDM electrodes for toolmakers, crucibles for foundries, or high-purity components for the photovoltaic and battery industries. With decades of accumulated know-how, consistent quality control, and a customer-first approach, SHJ CARBON has become a trusted partner in supplying reliable artificial graphite blocks worldwide.
Key Features & Advantages
- Stable Structure: Our unique production process ensures a homogeneous microstructure, giving electrodes uniform performance and predictable erosion rates.
- High Temperature Resistance: Withstands intense thermal conditions during long EDM runs without cracking.
- Thermal Shock Resistance: Maintains dimensional accuracy under rapid heating and cooling cycles.
- Superior Conductivity: High electrical and thermal conductivity allow faster machining and improved energy efficiency.
- Corrosion Resistance: Extends electrode life, especially in demanding production environments.
These advantages make our material one of the leading performers in its category, balancing durability, process efficiency, and cost control.
Technical Specifications
|
Grade |
MV-12 |
MV-13 |
MV-20 |
ME-11 |
|
|
Type of Forming |
Unit |
Vibro-molded |
Vibro-molded |
Vibro-molded |
Extruded |
|
Bulk Density |
g/cm³ |
1.72 |
1.73 |
1.65 |
1.73 |
|
Specific Resistance |
μΩ.m |
9 |
8.5 |
11 |
8 |
|
Compressive Strength |
MPa |
30 |
35 |
28 |
37 |
|
Flexural Strength |
MPa |
13 |
15 |
9 |
18 |
|
C.T.E (RT-600℃) |
10-6/℃ |
3.2 |
3.3 |
N/A |
2.4 |
|
Thermal Conductivity |
W/(m.k) |
100 |
130 |
N/A |
N/A |
|
Ash |
% |
0.2 |
0.12 |
0.25 |
0.2 |
|
Maximum Grain Size |
mm |
0.8 |
0.8 |
2 |
0.8 |
|
Regular Size |
Blocks: 500*500*(1800/1850), 650*(500/600)*(1800/1850/2200), 800*500*1850, 950*500*1850, 1100*400*2200, 1250*450*2200. |
||||
|
The above properties are typical values, not guaranteed, other specifications are available. |
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Applications Medium Grain Artificial Graphite Block
EDM (Electrical Discharge Machining)
Our graphite blocks are widely used to produce EDM electrodes for mold and die making. With stable erosion rates, strong conductivity, and easy machinability, they help toolmakers achieve precision results while reducing electrode wear and overall machining costs
Foundry & Metallurgy
In foundry and metallurgical processes, medium grain graphite is the trusted material for casting molds, crucibles, and continuous casting dies. Its high thermal shock resistance minimizes cracking and extends tool life, giving manufacturers consistent casting quality over repeated cycles.
Heat Treatment & High-Temperature Furnaces
Artificial graphite blocks play a vital role as heating elements, structural parts, and furnace connectors. Thanks to their superior conductivity and oxidation resistance, our products deliver reliable performance even in demanding vacuum and inert atmosphere furnaces.
Photovoltaic & Energy Storage
As the energy industry advances, medium grain graphite has become indispensable in photovoltaic silicon processing and lithium-ion battery production. SHJ CARBON supplies custom crucibles, boxes, and electrodes that meet strict purity and durability standards, ensuring efficiency and stability in critical energy applications.
Why Choose SHJ CARBON
Technology First
We offer a variety of transmission components
25+ Years of Industry Experience
Proven expertise in carbon and graphite insulation for high-tech manufacturing.
Trusted by Top Manufacturers
Long-term supplier to leading electronics, semiconductor, and solar PV companies.
Custom Engineering Support
Tailored designs in boards, cylinders, and complex 3D shapes to match exact specifications.
Advanced Production & Purification
Secondary high-temperature treatment up to 2800 °C for exceptional purity.
Customized Graphite Solutions
Beyond standard grades, SHJ CARBON develops customized graphite blocks tailored to client requirements. We adjust grade, density, and size according to application needs, whether for high-purity environments, specialized furnace designs, or large-format tooling. Every project receives engineering support and quality control documentation, ensuring confidence in both performance and delivery.
With SHJ CARBON, you gain more than a supplier-you gain a partner committed to optimizing your process performance with world-class graphite solutions.
Medium Grain Graphite – FAQ
A1: It is a synthetic graphite with particle size between fine and coarse grades. It offers balanced density, good machinability, and strong thermal performance.
A2: Medium grain graphite provides high thermal conductivity, thermal shock resistance, and oxidation resistance, making it reliable under harsh conditions.
A3: Industries use it for EDM electrodes, foundry molds, glass forming tools, furnace parts, and refractory applications.
A4: SHJ CARBON supplies graphite blocks, rods, and plates, plus customized grades and sizes for specific requirements.
A5: We offer stable quality, engineering support, and consistent delivery, backed by decades of graphite manufacturing experience.
Get in Touch – Request a Quote
Ready to enhance your thermal management systems with high-performance medium grain graphite ? Reach out today for expert advice, customized solutions, and fast delivery.
Contact Us Now or Request a Quote.
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