Carbon Graphite Crucible for Refractory SIC Crucible Melting Copper/Brass
- Ref Price:
-
- 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 Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
| 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 |
Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
Physicochemical Properties
Type of Crucible | Type S | Type D |
Carbon Content/% | ≥38 | ≥45 |
Bulk Density/(g/cm3) | ≥1.70 | ≥1.85 |
Apparent Porosity/% | ≤29 | ≤21 |
Compression Strength/MPa | ≥20 | ≥25 |
Refractoriness/°C | ≥1400 | ≥1400 |
Type S: Clay graphite crucible
Type D: Isostatic pressing graphite crucible
Cited from CNS China National Standard of Graphite Crucible, which is solely drifted by TIANFU company.
Content Composition
C% | Sic% | AL2O3% | SIO2% |
45%-50% | 20%-30% | 10%-12% | 15-25% |
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.
5.Can I visit you?
Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.
- Q: Can graphite crucibles be used for alloy preparation?
- Yes, graphite crucibles can be used for alloy preparation. Graphite crucibles are commonly used in metallurgy and foundry applications due to their high melting point, chemical resistance, and thermal conductivity. They can withstand high temperatures required for alloy preparation and are suitable for melting various metals and alloys. Graphite crucibles provide a stable and controlled environment for the melting process, allowing for precise alloy composition and homogeneity. Additionally, graphite crucibles have good thermal shock resistance, meaning they can handle rapid temperature changes without cracking or breaking. Therefore, graphite crucibles are a reliable choice for alloy preparation in various industries such as automotive, aerospace, and manufacturing.
- Q: What are the considerations for selecting a crucible furnace for graphite crucibles?
- When selecting a crucible furnace for graphite crucibles, there are several important considerations to take into account. Firstly, the temperature range and heating capabilities of the furnace are crucial factors. Graphite crucibles are often used in high-temperature applications, so the furnace should be capable of reaching and maintaining the required temperatures for the specific process. It is important to ensure that the furnace can achieve the desired temperature range without compromising the integrity of the crucible or the materials being processed. Another consideration is the atmosphere control within the furnace. Graphite crucibles can be sensitive to certain atmospheres, such as oxidizing or reducing conditions. Therefore, it is essential to select a furnace that offers appropriate atmosphere control to prevent any undesired reactions or degradation of the crucible and the materials being processed. The size and capacity of the furnace should also be considered. The furnace should be able to accommodate the size of the graphite crucibles used in the process. Additionally, the furnace should have sufficient capacity to hold the required number of crucibles for efficient and productive operations. The heating method employed by the furnace is another important consideration. Different heating methods, such as electric resistance, induction, or gas-fired, can have varying effects on the performance and lifespan of graphite crucibles. It is necessary to evaluate the heating method and its compatibility with graphite crucibles to ensure optimal performance and longevity. Furthermore, the overall construction and design of the furnace should be taken into account. The furnace should be well-insulated to minimize heat loss and energy consumption. It should also have a reliable and precise temperature control system to ensure accurate and consistent heating. Additionally, the furnace should be easy to operate, maintain, and repair. Cost is another factor to consider. The initial investment cost of the furnace, as well as the operational costs, should be evaluated in relation to the budget and the anticipated return on investment. Lastly, it is advisable to seek recommendations and advice from experts or suppliers who specialize in graphite crucibles and furnace systems. They can provide valuable insights and guidance based on their expertise and experience, helping to ensure the selection of the most suitable crucible furnace for the specific application.
- Q: How is a graphite crucible cleaned after use?
- A graphite crucible is typically cleaned after use by first removing any remaining contents, such as molten metal or other substances, by pouring or scraping it out. Then, it can be washed with water or a mild detergent to remove any residual impurities. After washing, it is important to thoroughly dry the crucible to prevent any moisture from causing damage during future uses. Additionally, a crucible may be further cleaned or conditioned using specialized cleaning agents or heat treatment methods, depending on the specific requirements and condition of the crucible.
- Q: I'd like to smelt 104 aluminium alloy by medium frequency furnace. What should I pay attention to? Please point it out, thank you!
- I can not decide which is good. I just want to talk about the smelting methods of some nonferrous alloys of my own experience. (1) casting, casting, tin bronze, 5-5-5, fused magnesia, medium frequency furnace smelting. Carbon contamination of aluminum alloy and copper alloy
- Q: Melting copper slag with a graphite crucible furnace can add any flux, in order to shorten the melting time and save fuel
- If you want to save fuel, it should be mainly due to the quality of the graphite crucible. The graphite content in the graphite crucible is higher
- 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: What are the different methods of preventing graphite crucible leakage?
- There are several methods that can be employed to prevent graphite crucible leakage. One method is to ensure proper preparation and installation of the crucible. This includes thorough cleaning of the crucible surface and the mating surface of the crucible lid or cover. By removing any dirt or debris, a better seal can be achieved. Additionally, applying a thin layer of graphite lubricant or a high-temperature sealant to the mating surfaces can help create a tighter seal and prevent leakage. Another method is to use a gasket or an O-ring between the crucible and the lid. These gaskets are typically made of materials such as graphite, ceramic fiber, or metal and are designed to provide a reliable seal. The gasket is placed between the crucible and the lid, creating a barrier that prevents any molten metal or other substances from leaking out. Furthermore, proper tightening of the crucible lid or cover is crucial to prevent leakage. Over-tightening can cause damage to the crucible or the lid, leading to leaks. On the other hand, insufficient tightening can result in a loose seal, allowing for leakage. It is important to follow the manufacturer's recommendations regarding torque specifications for the lid or cover to ensure a proper seal. Regular inspection and maintenance of the crucible are also important preventive measures. Any signs of cracks, chips, or deterioration should be addressed promptly. These issues can compromise the integrity of the crucible, leading to leakage. By replacing damaged crucibles or repairing them in a timely manner, the risk of leakage can be minimized. In addition to these methods, proper handling and usage of the crucible can also contribute to preventing leakage. Avoiding sudden temperature changes, thermal shocks, and excessive mechanical stresses can help prolong the lifespan of the crucible and maintain its integrity. It is important to follow the recommended operating procedures and guidelines provided by the manufacturer to ensure the crucible's longevity and prevent leakage. Overall, by employing these methods - proper preparation and installation, using gaskets or O-rings, tightening the lid correctly, regular inspection and maintenance, and proper handling - graphite crucible leakage can be effectively prevented, ensuring a safe and efficient operation.
- Q: Can graphite crucibles be used for jewelry making?
- Certainly, jewelry making can make use of graphite crucibles. Graphite crucibles possess a remarkable melting point, rendering them perfect for the melting and casting of valuable metals like gold, silver, and platinum. Furthermore, they exhibit exceptional resistance to thermal shock and possess commendable thermal conductivity, which promotes efficient and uniform heat dispersion. In addition, graphite crucibles show chemical inertness, ensuring that they do not react with molten metals and thus do not taint the jewelry being produced. Consequently, they have become a favored selection among jewelers and artisans who necessitate a dependable and long-lasting crucible for their jewelry making procedures.
- Q: How does the electrical resistivity of graphite affect the performance of a crucible?
- The electrical resistivity of graphite plays a crucial role in determining the performance of a crucible. Graphite, being a good conductor of electricity, has low electrical resistivity. This property has several effects on the performance of a crucible. Firstly, low electrical resistivity ensures efficient heating of the crucible. When an electric current is passed through the graphite crucible, the low electrical resistivity allows for the easy flow of current. This results in the rapid generation of heat, which is essential for applications such as melting metals, glass, or other materials. The efficient heating of the crucible enables it to reach and maintain high temperatures, ensuring the proper execution of various industrial processes. Additionally, the low electrical resistivity of graphite also helps in maintaining a uniform temperature distribution within the crucible. When current flows through the crucible, the low resistivity ensures that heat is evenly distributed across its surface. This uniform heating prevents localized hotspots or cold spots, which can lead to uneven melting or reactions within the crucible. Therefore, the low electrical resistivity of graphite contributes to the consistent and reliable performance of the crucible. Moreover, the low electrical resistivity of graphite also facilitates the efficient transfer of heat from the crucible to the surroundings. As the crucible is heated, the low resistivity allows for the rapid dissipation of heat, preventing excessive temperature build-up. This is particularly important in applications where precise temperature control is required to prevent damage to the crucible or the materials being processed. In summary, the electrical resistivity of graphite greatly influences the performance of a crucible. Its low resistivity enables efficient heating, uniform temperature distribution, and effective heat dissipation. These properties make graphite crucibles highly desirable for various industrial applications where high temperatures, precise temperature control, and consistent performance are essential.
- Q: What is the difference between the indirect method Zinc Oxide and the direct law Zinc Oxide?
- Zinc Oxide direct process with a variety of zinc minerals or impurities as raw material;Indirect material method is obtained through Zinc Oxide metal zinc or zinc smelting.
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Carbon Graphite Crucible for Refractory SIC Crucible Melting Copper/Brass
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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