RFQ Checklist
- Component size (often large)
- Direction of pressing/extrusion relative to load
- Temperature, atmosphere, load, and thermal cycling
- Critical surfaces, tolerance limits, and target service life
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Molded & Extruded Graphite
Cost-effective medium-to-coarse grain graphite for high-volume, less intricate thermal and metallurgical applications.
Target Buyer:Best for procurement teams sourcing large furnace components or standard wear parts where extreme precision is secondary to cost.
Complete RFQs are easier to review within 1-2 business days when drawings, graphite grade, quantity, and destination are included.
Capability Highlights
- Excellent thermal shock resistance
- Economical for large scale components
- Available in molded and extruded blocks and rods
Typical Applications
- Furnace fixtures and heating elements
- Crucibles and casting boats
- General metallurgy
- Large graphite wear or support parts
Engineering Focus
- Anisotropy awareness (properties vary by forming direction)
- Thermal expansion matching
- Coarse-grain surface finish limits for detailed features
- Large-section availability, packing, and transit protection
Key Evaluation Matrix
| Metric | Typical Range | Why It Matters |
|---|---|---|
| Grain Size | 0.8 - 3.0 mm | Coarser grain provides better thermal shock resistance but limits fine detail machining. |
| Forming direction | Pressed or extruded orientation matched to load | Directional properties can affect thermal expansion, strength, and cracking risk. |
| Part scale | Large plates, rods, blocks, boats, and supports | Large sections need grade availability, machining allowance, and packing planning early. |
Risk Controls
- Failure due to anisotropic thermal expansion: Align the critical stress/load axis with the optimal forming direction during machining.
- Coarse grain is selected for fine detail work: Use molded or extruded graphite for suitable large or thermal parts, and review isostatic graphite for small detailed features.
- Large graphite parts crack in transit: Plan support points, edge protection, crate design, and receiving instructions during RFQ.
Product Gallery
Buyer FAQ
When should I use extruded over isostatic graphite?
Use extruded for large furnace parts (like heating rods) where cost is a factor and ultra-fine detail is not required.
Can molded or extruded graphite still be machined accurately?
Yes, but tolerance, surface finish, and edge detail should be matched to the grain structure and forming direction.
What buyer data matters most for large furnace parts?
Size, load, temperature, atmosphere, support points, and replacement schedule are more useful than dimensions alone.
Related Resources
Inquiry Email
Complete RFQs are easier to review within 1-2 business days when drawings, grade, quantity, and destination are included.
WhatsApp Alignment
+8618857971991
Use WhatsApp for quick alignment; send drawings by email for traceable review.