High Temperature Melting Graphite Crucibles - SIC Grade
- Ref Price:
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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
| Application: | melting metals | Height: | depends on your requirement | Top Diameter: | 10-1200mm |
| Bottom Diameter: | 10-1200mm | Place of Origin: | China (Mainland) | Brand Name: | |
| product name: | SiC graphite crucible china graphite crucible | top diameter: | 10-1200mm | bottom diameter: | 10-1200mm |
| height: | depends on your requirement | application: | melting gold,silver and other metals | Specific resistance: | ≤14μΩ.m |
| Bending strength: | ≥25MPa | Compressive strength: | ≥50MPa | Bulk densit: | ≥1.68g/cm3 |
| Ash content: | ≤0.15% |
Packaging & Delivery
| Packaging Details: | woden case for SiC graphite crucible china graphite crucible |
| Delivery Detail: | within 20 days |
Introduction
1. Graphite crucible can be used for non-ferrous metal smelting and casting, dissolving gold
or silver ornaments, analysis of special type steel, sintering hard metal.
2. graphite crucible for smelting gold is specialized in melting gold in headgear and jewelryindustry. That requests graphite material has high density and purity, ablation-resistance, and it can be used many times. We can machine various crucibles accordingto customer's requirement.
3. Machined from high pure graphite and widely used in the gold,silver,platinum and other noble metal's melting.If it's used in oxygen atmosphere,it wil start to be oxygenized when the temperature is higher than 700-800°c. If it's used in the protective atmosphere, it can stand more than 2000°c.
4. widely used in such fields as industrial furnaces, mono-crystalline silicon machinery, mono-crystalline silicon machinery, electron, semi-conductor, metallurgy, oil, chemistry, textile, electrical machinery, electrical equipment, electrical furnace, traffic, communication industry, medicine, etc.
Advantages
1.good thermal conductivity
2.High-temperature resistance
3. Small thermal expansion coefficient.
4.Strong corrosion resistance to acid and alkali liquid
5.Good chemical stability
Technology parameter
Item | Unit | High pure graphite | ||
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 |
We accept small orders,please inquiry us freely. | ||||
Item | Unit | Fine-grain Specialty Graphite model 1 | Fine-grain Specialty Graphite model model2 | ||
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 |
We are always avliable to service you! | |||||
Parts sizes of graphite crucible table
Product name | Dimensions(mm) | Weight(g) | |||
Φ1 | Φ2 | Φ3 | H | ||
1 kg graphite crucible | 58 | 47 | 35 | 88 | 160 |
2kg graphite crucible
| 65 | 58 | 44 | 110 | 240 |
2.5kg graphite crucible
| 65 | 58 | 44 | 126 | 300 |
3kg graphite crucible
| 85 | 75 | 60 | 105 | 390 |
4kg graphite crucible
| 85 | 75 | 60 | 130 | 500 |
4kg graphite crucible
| 85 | 75 | 60 | 136 | 500 |
5kg graphite crucible
| 100 | 89 | 69 | 130 | 700 |
5.5kg graphite crucible
| 105 | 90 | 70 | 156 | 800 |
6kg graphite crucible
| 110 | 97 | 79 | 174 | 970 |
We have all kinds of sizes graphite crucibles in stock,please feel free to contact us. | |||||
packaging & shipping
Packaging
1. For each type, we can send you the detailed high-resolution pictures since we have the sample in our hand.
2. For packaging, we have the professional packaging starff, pls. don't worry about the shipping.
Our service
1.Delivery time is 5~7 days for sample and 15 working days for bulk order;
2. Strong production capacity and strict quality control system;
3. Your inquiry and problems related to our products or prices will be replied in 24 hours;
4. Well-trained and experienced staffs to answer all your inquires;
5. After-sale tracking service for all of our clients;
6. OEM is available; small quantities, mixed bulk orders are also welcome;
7. Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8. Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST.
After-Sales Service
1.1year warranty for most of our products;
2.We will arrange delivery of the goods on time:
3.Within the warranty period, we will bear all the qulity problem of our produts;
4.Beyond the warranty period, we will despatch the replacement parts to help fix the products;
5.Without any problem, we will gain the feedbacks of our products to help improve better products.
FAQ
Q:How to get in touch with us?
A:You can clik "Contact Supplier" above, or click "Chat Now!". We provide 24-hour service!
Q: How can I get free samples?
A: Only carbon brush for power tools/automobiles/motorcycle----no more than 4 sets for each model is free of charge.
Q:How to order?
A:Quotation→Price comfirming→Sign a contract→Mass production→Delivery
Q:How to pay?
A:30% T/T deposit.→70% balance by T/T against B/L copy.
Q:How to get after-sales service?
A:You can contact with your appointed sales.
You can also get in touch with our Quality Assurance Department: zdatzddt.com
Company Information
Other refractory materials for High temperature industry
- Q: Can graphite crucibles be used for thermal analysis?
- No, graphite crucibles are not typically used for thermal analysis. Graphite crucibles are mainly used for high temperature applications such as melting and casting metals, as well as for chemical reactions that require high heat. In thermal analysis, different techniques are used to study the physical and chemical properties of materials as they undergo changes in temperature. These techniques include differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and thermal conductivity measurements, among others. For these types of analyses, specialized equipment and materials are required. Typically, ceramic or metal crucibles are used as they have better thermal conductivity and stability at high temperatures, ensuring accurate and reliable measurements. These crucibles are designed to withstand thermal cycling and provide a controlled environment for the sample being analyzed.
- Q: Can graphite crucibles be used for carbon and graphite production?
- Certainly! Graphite crucibles have the capability to facilitate carbon and graphite production. Manufactured using high-purity graphite, they are specifically engineered to endure intense temperatures and chemical interactions. With their exceptional thermal conductivity and resistance to thermal shock, these crucibles are exceptionally suitable for carbon and graphite production endeavors. Their versatility allows for utilization in diverse processes, encompassing the melting and refining of carbon and graphite substances. Moreover, graphite crucibles can be employed repeatedly, thus proving to be an economical option for carbon and graphite production.
- Q: Can graphite crucibles be used for both melting and casting?
- Yes, graphite crucibles can be used for both melting and casting. Graphite crucibles have a high melting point and excellent thermal conductivity, making them suitable for melting metals and alloys. Additionally, their smooth surface and durability allow for easy pouring and casting of the molten material.
- 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: Can a graphite crucible be used for powder injection molding?
- Yes, a graphite crucible can be used for powder injection molding. Graphite is a popular choice for crucibles in various high-temperature applications due to its excellent thermal conductivity, high melting point, and low chemical reactivity. In powder injection molding, a graphite crucible can withstand the high temperatures required for the process, typically ranging from 1300 to 1600 degrees Celsius. Additionally, graphite crucibles provide good resistance to thermal shock and can effectively contain the molten feedstock during the injection molding process. Overall, using a graphite crucible in powder injection molding is a suitable option due to its favorable characteristics and compatibility with the required operating conditions.
- Q: How do you ensure proper sealing of a graphite crucible?
- To ensure a graphite crucible is properly sealed, one can follow a few essential steps: 1. Clean the crucible: Before sealing, it is crucial to ensure the crucible is clean and free from debris, dust, or residues. Gently brush the interior and exterior surfaces with a soft brush or cloth. 2. Inspect for cracks or damage: Carefully examine the crucible for any cracks, chips, or other damage that could compromise its integrity. Replace any damaged crucibles. 3. Apply suitable sealing material: Use high-temperature adhesive or cement designed for crucible sealing. Apply the material evenly along the edges of the crucible lid or cover. 4. Secure the lid tightly: Place the lid onto the crucible, ensuring proper alignment and a snug fit. Apply gentle pressure to secure it in place. 5. Cure or dry the sealing material: Follow the manufacturer's instructions for curing or drying the sealing material. This is crucial for a strong and durable bond. 6. Gradually heat the crucible: Enhance the sealing process by gradually heating the crucible. Place it in an oven or furnace and gradually increase the temperature to activate the sealing material. 7. Slowly cool the crucible: After the sealing material is activated, allow the crucible to cool down slowly. Rapid cooling can cause thermal stress and potential damage. Once at room temperature, the crucible is ready for use. By following these steps, one can ensure a properly sealed graphite crucible, essential for high-temperature applications like metal melting, experiments, or chemical reactions.
- Q: Graphite used in graphite in the glass industry?
- There are a lot of graphite used in the glass industry, graphite molds, graphite crucibles, graphite heat resistant liners, and so on
- Q: Is it possible to repair a cracked or damaged graphite crucible?
- No, it is not possible to repair a cracked or damaged graphite crucible. Graphite is a brittle material and once it is cracked or damaged, it cannot be repaired. It is recommended to replace the crucible to ensure proper functionality and safety.
- Q: Why do laboratory crucibles use ceramics instead of glass?
- Because the glass has a softening temperature, and the temperature is below 1000 DEG C, therefore, made of glass crucible at high temperature when the heating crucible may be softening deformation, and the glass crucible should not contact with alkaline substances.
- Q: Can graphite crucibles be used for carbon fiber production?
- Carbon fiber production can utilize graphite crucibles, which are often employed in high-temperature situations due to their exceptional thermal conductivity, high melting point, and chemical resistance. To create carbon fiber, graphite crucibles can be utilized to heat and liquefy the precursor materials like polyacrylonitrile (PAN) or pitch. These materials then undergo a series of steps to generate carbon fiber. Graphite, known for its high-temperature stability and lack of reactivity, serves as an ideal substance for maintaining the necessary conditions during the carbonization process. Furthermore, the smooth surface of graphite crucibles plays a significant role in achieving uniform heat distribution, an essential factor in ensuring the quality and consistency of carbon fiber production. As a result, graphite crucibles prove to be a suitable choice for the production of carbon fiber.
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High Temperature Melting Graphite Crucibles - SIC Grade
- 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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