Graphite Special-shaped Parts
Graphite Special-shaped Parts
Features
- Fine grain
- Homogeneous structure
- High density
- Excellent thermal conductivity
- High mechanical strength
- Proper electrical conductivity
- Minimum wettability to molten metals
- Hard surface and good flexural strenght
- Resistance to chemical erosion and thermal shock.
Physical and chemical index
| Fine-grain Specialty Graphite FXG-1 | Fine-grain Specialty Graphite FXG-2 | ||||
| Item | Unit | Guarantee value | Typical value | Guarantee value | Typical value |
| Max grain size | mm | 0.8 | 0.8 | 0.8 | 0.8 |
| Bulk density | g/cm3 | ≥1.70 | 1.73 | ≥1.73 | 1.76 |
| Specific resistance | μΩ.m | ≤8.5 | 7.5 | ≤8.0 | 7 |
| Bending strength | MPa | ≥10.0 | 11 | ≥12.0 | 12.5 |
| Compressive strength | MPa | ≥24.0 | 27 | ≥31.0 | 34 |
| Thermal Condcutivity | W/(m.k) | ≥120 | 150 | ≥130 | 160 |
| C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.2 | ≤2.5 | 2.1 |
| Ash content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
| Item | Unit | Guarantee value | Typical value | Guarantee value | Typical value |
| Max grain size | mm | 2 | 2 | 2 | 2 |
| Bulk density | g/cm3 | ≥1.58 | 1.6 | ≥1.70 | 1.75 |
| Specific resistance | μΩ.m | ≤11.5 | 10.5 | ≤8.5 | 7.5 |
| Bending strength | MPa | ≥6.0 | 6.5 | ≥9.0 | 9.5 |
| Compressive strength | MPa | ≥18.0 | 18.5 | ≥30.0 | 31 |
| Modulus of elasticity | GPa | ≤9.3 | 7.5 | ≤12.0 | 9.5 |
| C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.4 | ≤2.5 | 2.3 |
| Ash content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
High pure graphite
| high pure graphite | ||||
| Item | Unit | baked twice | baked three time | baked four times |
| impregnated once | impregnated twice | Impregnated three times | ||
| grain size | mm | ≤325mesh | ≤325mesh | ≤325mesh |
| Bulk density | g/cm3 | ≥1.68 | ≥1.78 | ≥1.85 |
| Specific resistance | μΩ.m | ≤14 | ≤14 | ≤13 |
| Bending strength | MPa | ≥25 | ≥40 | ≥45 |
| Compressive strength | MPa | ≥50 | ≥60 | ≥65 |
| Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
Isostatic graphite
| Item | Unit | Isostatic graphite |
| grain size | μm | 5-22 |
| Bulk density | g/cm3 | 1.75-1.85 |
| Specific resistance | μΩ.m | 10-15 |
| Bending strength | MPa | ≥40 |
| Compressive strength | MPa | ≥70 |
| Shore hardness | ≥5 | |
| C.T.E.(100-600) °C | 10-6/°C | 3.2-5.2 |
| Modulus of elasticity | GPa | 9.5-12.5 |
Q1: Is your company AO HUI a manufacturer or trader?
A1: Manufacturer, some time we help our clients to purchase relevant products as a trader.
Q2: What’s the MOQ?
A2. No limitation.
Q3: Can we visit your factory?
A3: Of course ,welcome at any time,seeing is believing
Q4: What’s your payment terms?
A4: Negotiation
Q5: Is your company accept customization?
A5: Professional technology teams and engineers all can satisfy you.
Q6: How do you guarantee quality?
A6: For every production processing,we have complete QC system for the chemical composition and Physical properties.After production,all the goods will be tested ,and the quality certificate will be shipped along with goods.
Q7: What’s the proportion of abroad business?
A7: Abroad market around 50%; Domestic market around 50%; and now export proportion is increasing.
Q8: Your company would provide samples?
A8: Yes, we could supply samples for free, and the freight will be undertaken by clients.