Medium Grain Graphite Blocks & Customized Solutions | SHJ CARBON
Balanced Performance
– Medium grain graphite combines high density, stable strength, and easy machinability for versatile industrial use.
High Thermal Resistance
– With excellent thermal shock resistance and oxidation resistance, it performs reliably in extreme heat environments.
Superior Conductivity
– Strong thermal and electrical conductivity ensure consistent efficiency in EDM, furnaces, and casting processes.
Wide Applications
– Ideal for EDM electrodes, foundry molds, glass forming tools, refractory linings, and heat treatment fixtures.
Customizable Supply
– Available in graphite blocks, rods, and plates, with tailored grades and sizes from SHJ CARBON to meet specific needs.
Description
Medium Grain Graphite Solutions from SHJ CARBON
At SHJ CARBON, we bring decades of expertise in carbon and graphite engineering to global industries. Our medium grain graphite is the result of a refined manufacturing process that ensures uniform structure, consistent density, and reliable quality. Customers across metallurgy, foundry, glass, and advanced manufacturing rely on our products for demanding applications where precision and durability matter.
What Is Medium Grain Graphite ?
Medium grain graphite refers to synthetic graphite with a particle size typically between fine grain (<0.8 mm) and coarse grain (>2 mm). Compared with fine grain graphite, it has lower machining precision but better cost efficiency and higher thermal conductivity. Compared with coarse grain graphite, it provides finer structure, higher strength, and improved surface finish. This balance makes medium grain grades widely used in EDM electrodes, foundry molds, furnace fixtures, and glass industry tools. In essence, medium grain graphite offers an optimal compromise between machinability, durability, and cost, fitting applications that demand both strength and economy.
Key Features & Benefits
- High temperature resistance: Retains strength and integrity at extreme operating conditions.
- Thermal shock resistance: Maintains dimensional stability under rapid heating and cooling cycles
- Corrosion resistance: Resists chemical attack in harsh atmospheres, extending service life.
- Superior thermal conductivity: Promotes uniform heat distribution in furnaces, molds, and EDM setups.
- Machinability: Enables precise shaping into electrodes, plates, or rods without edge cracking.
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 for Medium Grain graphite
Electrical Discharge Machining (EDM)
Toolmakers rely on our EDM graphite for precise electrodes that combine accuracy with long life. The material machines smoothly, holds fine detail, and ensures consistent erosion rates, reducing tool changes and downtime.
Foundry & Metallurgy
In foundry operations, our graphite provides stability for casting molds, continuous casting dies, and runners. Its resistance to cracking under thermal cycles improves mold life and ensures cleaner cast surfaces. Metallurgy applications benefit from its ability to handle extreme heat and pressure without distortion.
Glass Industry
Glass manufacturers use graphite rods and plates to prevent sticking and surface defects during forming. The smooth surface and non-wetting behavior protect product quality while reducing maintenance costs.
Heat Treatment & Refractories
Furnace designers and operators depend on our material for trays, fixtures, and insulation components. Its high thermal conductivity and resistance to oxidation extend service intervals and keep production stable.
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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