Extruded Graphite for Vacuum Furnace Heating Elements
Description
Reliable Extruded Graphite Supplier
Extruded graphite plays a critical role in the thermal field of vacuum furnaces, offering a cost-effective and reliable material solution for high-temperature environments. Known for its uniform grain structure, high purity, and excellent machinability, extruded graphite is widely used in heating components, insulation parts, and structural supports within vacuum systems.
At SHJ-CARBON, we supply premium-grade extruded graphite blocks and rods, manufactured under strict quality control to ensure consistency and performance. With over 25 years of experience in graphite materials and vacuum furnace applications, we don't just deliver raw material-we provide application-ready solutions.
To better support our clients, we also offer precision-machined graphite heating elements made from extruded graphite, allowing for seamless integration into your thermal systems. Whether you need raw stock or fully-finished components, SHJ-CARBON is equipped to support your project from material selection to final delivery.
What Is Extruded Graphite?
Extruded graphite is a form of synthetic graphite produced by forcing a graphite mixture through a shaped die, followed by baking and graphitization. The result is a material with a uniform grain structure in one direction, excellent electrical conductivity, and good thermal stability. Compared to other graphite types, it offers a strong balance of machinability, mechanical strength, and cost-efficiency.
For industrial applications that don't demand ultra-fine grain or isotropic properties, extruded graphite delivers dependable performance-especially in thermal environments where dimensional consistency and ease of processing matter.
Why Use Extruded Graphite in Vacuum Furnace Heating Elements?
In vacuum furnaces, heating elements must withstand high temperatures, thermal cycling, and demanding geometries-all while maintaining consistent heat output. Extruded graphite meets these needs by offering strong thermal conductivity, low thermal expansion, and solid mechanical strength along the grain direction. This makes it well-suited for structural parts like rods, plates, and tubular elements used in medium- to high-temperature heating zones.
Because of its cost-efficiency and reliable performance, extruded graphite is an excellent material choice for customers seeking durable, machinable, and scalable heating element solutions. SHJ-CARBON not only supplies high-quality extruded graphite but also provides precision machining services to help you get the exact part you need-ready to perform in your vacuum furnace system.
Recommended extruded graphite specifications
|
Grade |
ME-11 |
|
|
Type of Forming |
Unit |
Extruded |
|
Bulk Density |
g/cm³ |
1.73 |
|
Specific Resistance |
μΩ.m |
8 |
|
Compressive Strength |
MPa |
37 |
|
Flexural Strength |
MPa |
18 |
|
C.T.E (RT-600℃) |
10-6/℃ |
2.4 |
|
Thermal Conductivity |
W/(m.k) |
N/A |
|
Ash |
% |
0.2 |
|
Maximum Grain Size |
mm |
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. |
||
Integrated Heating Element Solutions Tailored by SHJ-CARBON
At SHJ-CARBON, we do more than supply extruded graphite-we deliver complete heating element solutions for vacuum furnaces. As both a material expert and component manufacturer, we streamline the process from raw graphite selection to precision-machined parts, helping you reduce sourcing complexity and improve system compatibility.
Our team supports you at every stage-from early design consultation to final production-ensuring that your heating elements meet exact thermal, dimensional, and operational specifications. By combining high-performance extruded graphite, graphite insulation materials, and custom-built hot zone assemblies, we help you build furnace systems that are efficient, reliable, and built to last.
This integrated approach not only saves time and cost but also ensures a perfect fit between materials and components-making SHJ-CARBON a trusted partner in your thermal processing operations.
Why Partner with SHJ-CARBON?
With over 25 years of experience in graphite materials and thermal process applications, SHJ-CARBON is a trusted partner for manufacturers worldwide. We do more than supply extruded graphite-we help you choose the right grade for your exact process conditions. Whether it's for vacuum brazing, sintering, or high-temperature heat treatment, we understand what works and why.
Our production is ISO-certified, with strict material traceability and inspection at every stage. From raw graphite to final components, we deliver consistent quality, fast turnaround, and the technical insight needed to keep your operations running smoothly.
Get a Quote or Technical Consultation
Every application is different-and that's where our team adds value. If you're developing or upgrading a vacuum furnace system, we can help you select the right extruded graphite, optimize your heating element design, and support integration with insulation and hot zone materials.
Use our contact form to request a quote or start a technical consultation. Upload your process specifications or component drawings, and one of our engineers will get back to you quickly with tailored recommendations and pricing.
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