Sic Graphite Crucible for Melting Metal with Good Quality
- 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:How do you determine the appropriate crucible stirring rod for a specific application?
- To determine the appropriate crucible stirring rod for a specific application, several factors need to be considered. First, you need to assess the type of material being stirred in the crucible. Different materials may require different types of stirring rods to ensure efficient mixing and prevent contamination. For example, if you are stirring a corrosive substance, you would need to choose a stirring rod made from a material that is resistant to corrosion, such as stainless steel or PTFE (polytetrafluoroethylene). Secondly, the size and shape of the crucible should be taken into account. The stirring rod should be long enough to reach the bottom of the crucible and should have a shape that allows for effective stirring without causing excessive splashing or turbulence. Furthermore, the temperature and pressure conditions of the application should be considered. High temperatures or pressures may require the use of stirring rods made from heat-resistant materials, such as quartz or ceramic. Lastly, the specific requirements of the experiment or process should also be considered. If precision and accuracy are crucial, you may need to choose a stirring rod with a specific shape or design that allows for precise control of the mixing process. In summary, selecting the appropriate crucible stirring rod for a specific application involves considering the type of material being stirred, the size and shape of the crucible, the temperature and pressure conditions, and the specific requirements of the experiment or process. By carefully evaluating these factors, you can choose a stirring rod that ensures effective mixing and optimal results.
- 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.
- Q:Can graphite crucibles be used for laboratory analysis?
- Laboratory analysis can utilize graphite crucibles. Laboratories frequently employ graphite due to its resistance to high temperatures and lack of chemical reactivity. Its advantageous properties make it particularly useful for carrying out processes that involve extreme heat, such as metal melting, as it can endure temperatures of up to 3000 degrees Celsius. Moreover, graphite crucibles possess exceptional thermal conductivity, ensuring a uniform distribution of heat during experiments. However, it is crucial to acknowledge that graphite crucibles may react with specific chemicals or elements under particular conditions, necessitating careful consideration of compatibility with the substances being analyzed. Additionally, the selection of crucible material should be based on the unique requirements of the analysis, as certain situations may demand alternative materials like porcelain, quartz, or platinum.
- Q:What is the aluminum crucible?
- The crucible of aluminium melting can be sintered by neutral sand in medium frequency electric furnace. Melting crucible is made. The service life is more than 300
- Q:Can graphite crucibles be used for semiconductor manufacturing?
- Graphite crucibles, unfortunately, cannot fulfill the needs of semiconductor manufacturing. They find their utility in industries such as metallurgy and foundries, where they exhibit exceptional thermal conductivity and endure high temperatures. Nevertheless, in the realm of semiconductor manufacturing, demands take an entirely different shape. This field involves meticulously controlled and precise procedures, where contamination poses a significant threat. Graphite crucibles indiscriminately release carbon particles that taint the semiconductor materials, consequently compromising their performance. Thus, semiconductor manufacturing necessitates crucibles crafted from materials like quartz or ceramic. These alternatives boast minimal contamination levels and possess the resilience essential for enduring the rigorous temperatures and chemical environments characteristic of fabrication processes.
- Q:Can quartz ceramic crucibles instead of graphite crucibles?
- Graphite conducts electricity. Sometimes it takes graphite to heat it, though it is rare, so it can not be replaced
- Q:Can graphite crucibles be used for carbon and graphite production?
- Yes, graphite crucibles can be used for carbon and graphite production. Graphite crucibles are specifically designed to withstand high temperatures and are commonly used in various industries, including carbon and graphite production. They provide a stable and reliable container for melting and refining carbon and graphite materials.
- Q:How do you prevent graphite crucibles from overheating during use?
- There are several measures that can be taken to prevent graphite crucibles from overheating during use. These include: 1. Gradual preheating: It is essential to preheat the crucible gradually before using it. Rapid heating can cause thermal shock and result in cracking or complete failure of the crucible. To avoid this, start by placing the cold crucible in a cool furnace and increase the temperature at a controlled rate until it reaches the desired operating temperature. 2. Avoiding direct contact with flames: It is not recommended to expose graphite crucibles directly to flames. The intense heat from open flames can cause rapid and uneven heating, leading to overheating and damage. Instead, it is advised to use a heating element or an indirect heat source, such as an electric furnace or an induction heater, for more uniform and controlled heating. 3. Controlling the heating rate: To prevent sudden temperature changes and thermal stress, it is important to control the heating rate. Following the manufacturer's guidelines or recommendations for the specific type of crucible being used is advisable. Generally, it is best to heat the crucible slowly and steadily to avoid overheating and potential damage. 4. Ensuring proper furnace controls: Accurate temperature controls and monitoring systems in the furnace or heating equipment being used are crucial. These controls help maintain a consistent temperature, preventing overheating of the crucible. Regular maintenance and calibration of the furnace are essential to ensure accurate temperature readings and proper functioning. 5. Allowing adequate cooling time: After use, it is important to allow the crucible to cool down naturally inside the furnace or heating equipment before removing it. Rapid cooling, such as exposing the hot crucible to cold air or water, can cause thermal shock and result in cracks or breakage. Patience is key during the cooling process to prevent overheating. 6. Regular inspection and maintenance: Regularly inspecting the crucible for any signs of damage, such as cracks, erosion, or wear, is necessary. Small cracks or damage can lead to overheating and failure. If any issues are detected, it is important to replace the crucible promptly to avoid potential hazards or accidents. By following these preventive measures and practicing proper handling and maintenance techniques, it is possible to prevent graphite crucibles from overheating and prolong their lifespan, ensuring optimal performance and efficiency.
- Q:Can graphite crucibles be used for catalyst preparation?
- Yes, graphite crucibles can be used for catalyst preparation. Graphite crucibles have excellent thermal stability and chemical resistance, making them suitable for various high-temperature processes, including catalyst preparation. Additionally, graphite crucibles are inert and do not react with most catalyst materials, ensuring the integrity and purity of the catalyst during preparation.
- Q:Can graphite crucibles be used for electron beam melting processes?
- Yes, graphite crucibles can be used for electron beam melting processes. Graphite crucibles have excellent thermal conductivity, high melting point, and good resistance to chemical attack, making them suitable for high-temperature applications such as electron beam melting. The high thermal conductivity of graphite helps in efficient heat transfer, allowing for uniform heating and melting of the material. Additionally, graphite crucibles have good dimensional stability, which is important for maintaining precise control over the melting process. Overall, graphite crucibles are commonly used in electron beam melting processes due to their favorable properties.
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Sic Graphite Crucible for Melting Metal with Good Quality
- 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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