Graphite Crucible Near Me for Gold Melting Aluminium and Copper, Brass - SIC Graphite Crucibles
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
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Quick Details for SiC Graphite Crucibles For Melting Aluminium And Copper, Brass
| Type: | High Strength, graphite crucible crucible | Application: | melting metal | Height: | as your requirements |
| Composition: | High Pure | Top Diameter: | 10-600mm | Bottom Diameter: | 10-1000mm |
| Place of Origin: | China (Mainland) | Brand Name: | Model Number: | ||
| Color: | Black grey | Si3N4%: | 5min | Fe2O3%: | 0.7max |
| C%: | 30-45 | Apparent porosity: | 30max | Refractoriness: | 1680 |
| Bulk Density: | 1.71min | Using life: | >5000 hours | MAX temperature: | 1600c |
Packaging & Delivery
| Packaging Details: | Seaworty packing or as per customer's detail requirement of graphite crucible. |
| Delivery Detail: | within 20-30 days after confirm order of graphite cru |
Super Quality Long Working Life SiC Graphite Crucibles
Product Description
Specifications for Graphite Silicon Carbide Crucible For Aluminum Melting :
1.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.
2.High thermal conductivity: high-density body and low apparent porosity greatly improve its heat conductivity.
3.New-style materials: new heat conduction material ensures faster heat conductivity and pollution-free product, reduces adherent slag.
4.Resistance to corrosion:better anti-corrosion than normal clay-crucible.
5.Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensures persistent heat conductivity and long working lifetime.
6.High-strength: high-density body and logical structure make the product better compression property.
7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.
8.Multi-function: Can be used in induction graphite crucible furnace
Physicochemical Properties of graphite crucible:
The crucible is an utensil or melting tank vessels that is made of refractory material (such as clay, graphite, quartz or difficult molten metal iron, etc.).
Graphite crucible, with is special advantages and Plasticity, is widely used in the smelting area, e.g. gold smelting, silver smelting, aluminum smelting, cooper smelting, etc.
high pure graphite | ||||
Item | Unit | baked twice | baked three time | baked four times |
impregnated once | impregnated twice | impregnated three times | ||
grain size | mm | ≤325μm | ≤325μm | ≤325μm |
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 |
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 |
NO | Top diameter | Bottom diameter | Height | Tolerance | Capacity(Kg5%) |
2 | 90 | 50 | 55 | 2 | 0.3 |
3 | 105 | 80 | 93 | 2 | 0.5 |
4 | 102 | 80 | 100 | 2 | 0.6 |
5 | 112 | 82 | 130 | 2 | 0.8 |
6 | 120 | 82 | 141 | 2 | 0.9 |
8 | 138 | 90 | 153 | 2 | 1.2 |
12 | 148 | 100 | 181 | 2 | 1.8 |
16 | 156 | 110 | 190 | 2 | 2.3 |
20 | 180 | 120 | 230 | 2 | 3 |
25 | 186 | 128 | 248 | 2 | 3.7 |
Packaging & Shipping
Package: Wooden case and wooden pallet or pack as customer's requirement of graphite crucible.
Delivery time: depend on distance, usually 20 days to 50days after deposit of graphite crucible.
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FAQ
1.What's your MOQ?
We will indicate the MOQ for each item in the quotation list. We accept the sample and trail order.
2.Can I negotiate the Prices?
Sure, we may consider discounts for bulk order of products.
3.How long will it take to complete my order?
For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
4.Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with N&D's Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.
Welcome to visit our factory.^_^
- Q: Why does China choose quartz crucible directly in the aspect of Czochralski silicon?
- The oxygen in the quartz crucible can not be avoided, and other methods can be adopted to reduce oxygen.
- Q: How long can a graphite crucible last for a long time?
- The special thermal shock resistance, thermal expansion of graphite is anisotropic, and the macro expansion coefficient is small, the temperature change under the condition that the volume change of graphite is not large, coupled with its good thermal conductivity, good thermal shock resistance and graphite.
- Q: Why is it a change of gold? Now it's black and muddy
- Drying gold powder: after washing the gold powder into the porcelain evaporation dish, put into the oven drying, that is, orange sponge gold powder particles
- Q: Are graphite crucibles suitable for vacuum induction melting?
- Vacuum induction melting is well-suited for the use of graphite crucibles. This is because graphite is a stable and inert material, making it ideal for high temperature and vacuum environments. Graphite can withstand the extreme heat and pressure conditions required for vacuum induction melting. When it comes to thermal conductivity, graphite crucibles excel. They efficiently transfer heat to the metal being melted, ensuring uniform heating and melting. This results in consistent and reliable outcomes. Additionally, graphite crucibles are resistant to thermal shock, meaning they can handle rapid temperature changes without cracking or breaking. Moreover, graphite crucibles exhibit good chemical resistance, which is crucial when melting reactive metals or alloys. They can endure the corrosive effects of molten metals, preventing contamination and maintaining the purity of the material being melted. To summarize, graphite crucibles are highly suitable for vacuum induction melting due to their stability, resistance to high temperatures, thermal conductivity, resistance to thermal shock, and chemical resistance. These crucibles offer a dependable and efficient method of melting metals under vacuum conditions, making them the preferred choice in various industrial applications.
- Q: The biggest problem with graphite crucibles must be to use in a vacuum or a reducing atmosphere
- Graphite crucibles can be used in the air but only a short life, mainly in the vacuum to prevent oxidation!
- Q: How do you use crucibles to process copper?
- The medium frequency furnace crucible is made of quartz sand lining material, and the crucible has a long service life, usually in three months. The power frequency furnace is also sintered with quartz sand.
- Q: Can graphite crucibles be used for carbonization processes?
- Carbonization processes can make use of graphite crucibles. Graphite is highly suitable for applications that involve high temperatures because of its exceptional thermal conductivity and resistance to thermal shock. Graphite crucibles are frequently employed in carbonization processes, where carbon-rich materials are heated to high temperatures without the presence of oxygen. These crucibles effectively contain and heat the materials. Graphite's high thermal conductivity ensures efficient transfer of heat, resulting in uniform heating and minimal heat loss. Furthermore, graphite's resistance to thermal shock enables it to withstand sudden temperature changes that occur during the carbonization process. In conclusion, graphite crucibles are a dependable and appropriate choice for carbonization processes.
- Q: How do you prevent graphite crucibles from erosion during use?
- To prevent graphite crucibles from erosion during use, several measures can be taken. First, maintaining proper temperature control is crucial, as extreme temperatures can accelerate erosion. Using a protective coating or glaze on the inner surface of the crucible can also help minimize erosion. Additionally, avoiding abrupt temperature changes and handling the crucible with care can prevent mechanical damage that may lead to erosion. Regular cleaning and proper handling of the crucible, such as avoiding direct contact with corrosive substances, can further extend its lifespan and minimize erosion.
- Q: Can a graphite crucible be used for zinc melting?
- Yes, a graphite crucible can be used for zinc melting. Graphite crucibles are known for their high melting point and excellent thermal conductivity, making them suitable for melting metals such as zinc. Graphite crucibles can withstand the high temperatures required for zinc melting without reacting or contaminating the metal. Additionally, graphite crucibles have good resistance to thermal shock, allowing them to withstand rapid temperature changes during the melting process. It is important, however, to properly clean and prepare the graphite crucible before use to ensure the purity of the melted zinc.
- Q: Who is the melting point of graphite and diamond?
- When material melts, molecular crystals need to destroy intermolecular forces; atomic crystals need to destroy covalent bonds; ionic crystals need to destroy ionic bonds; metal crystals need to destroy metal bonds. The stronger the bond, the higher the energy required for the breaking key, the higher the melting point.
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Graphite Crucible Near Me for Gold Melting Aluminium and Copper, Brass - SIC Graphite Crucibles
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
OKorder Financial Service
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