Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
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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 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
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.
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% |
- Q:The graphite boat loading and loading real real graphite boat is what?
- The graphite boat used for solar energy industry and real loading: PECVD carrying vehicles, loaded from silicon, preparation of middle and high efficiency filter, ensure that blows air purifying requirements.
- Q:How is a graphite crucible used in the manufacturing industry?
- A graphite crucible is an essential tool used in the manufacturing industry for various applications. Primarily, it is used for melting and holding metals and alloys at high temperatures during the casting and molding processes. The manufacturing industry often deals with materials that have high melting points, such as steel, iron, copper, and aluminum. A graphite crucible, made from a high-purity form of carbon, is able to withstand and contain these extreme temperatures without melting or reacting with the molten metal. This is due to the unique properties of graphite, including its high thermal conductivity and resistance to chemical corrosion. During the manufacturing process, the graphite crucible is placed in a furnace or other heating device, where it is heated to the desired temperature. Once the crucible reaches the appropriate temperature, the metal or alloy is added to it, allowing it to melt. The crucible acts as a container, holding the molten metal until it is ready to be poured into a mold or used for other manufacturing processes. Graphite crucibles are also commonly used for smelting and refining processes. In these applications, impurities and unwanted elements are removed from the metal by subjecting it to high temperatures in the crucible. The crucible's high thermal conductivity ensures that the heat is evenly distributed, allowing for efficient and consistent refining. Moreover, graphite crucibles are preferred in the manufacturing industry due to their durability and longevity. They can withstand repeated use at high temperatures without cracking or deteriorating. This makes them a cost-effective choice for manufacturing processes that involve continuous melting and casting. In summary, a graphite crucible is an indispensable tool in the manufacturing industry. Its ability to withstand high temperatures, resist chemical corrosion, and provide efficient heat transfer makes it ideal for melting metals and alloys, as well as for smelting and refining processes. The durability and longevity of graphite crucibles contribute to their widespread use and effectiveness in the manufacturing industry.
- Q:What's the pot in the lab that puts in the oven?
- The laboratory uses the possibility of a silicon carbide crucible, followed by clay and graphite crucibles, and the 2 are black or black gray. Corundum crucible for red meat or close to white. The inner surface of the cast iron crucible is rough, and the stainless steel crucible is smooth and metallic.
- Q:Can graphite crucibles be used for carbonization processes?
- Yes, graphite crucibles can be used for carbonization processes. Graphite is a highly stable and heat-resistant material that can withstand high temperatures required for carbonization. It is commonly used in industries such as metallurgy and jewelry making for its excellent thermal conductivity and resistance to chemical reactions, making it suitable for carbonization processes.
- Q:Are graphite crucibles suitable for melting composite propellants?
- Yes, graphite crucibles are suitable for melting composite propellants. Graphite is known for its high melting point, excellent thermal conductivity, and resistance to chemical reactions, making it an ideal material for containing and heating composite propellants during the melting process.
- Q:What are the different methods of monitoring the melting process in a graphite crucible?
- There are several methods of monitoring the melting process in a graphite crucible, including visual inspection, thermocouple temperature measurement, pyrometry, and spectroscopy. Visual inspection involves observing the melting material through a transparent cover or window to assess its state. Thermocouples can be used to measure the temperature directly at different points in the crucible, providing real-time temperature data. Pyrometry utilizes infrared radiation to measure the temperature of the molten material. Spectroscopy involves analyzing the emitted light or radiation from the melting material to determine its composition and temperature.
- Q:What magnetic material is sintered with large corundum crucible?
- The graphite crucible is a high temperature resistant and difficult to sinter material, but the biggest problem must be used in a vacuum or a reducing atmosphere. Otherwise, graphite is easily oxidized at high temperature. And the crucibles are more expensive.
- Q:Does a graphite crucible react with any substances during use?
- During use, a graphite crucible does not undergo any reactions with substances. Graphite is chemically inactive and possesses a high melting point, rendering it perfect for high-temperature applications such as metal melting. It does not interact with the materials being melted or any other substances present within the crucible. This characteristic of graphite permits the secure and effective handling of diverse substances when carrying out processes like metal casting, glass melting, or chemical reactions.
- Q:How do you prevent graphite crucibles from cracking due to thermal stress?
- To prevent graphite crucibles from cracking due to thermal stress, there are several measures that can be implemented: 1. Preheating: Before using a new graphite crucible, it is important to preheat it gradually. This helps to eliminate any moisture or volatile components that may be present in the crucible, reducing the risk of thermal shock. 2. Avoid sudden temperature changes: Rapid and extreme temperature changes can cause thermal stress, leading to cracking. To prevent this, it is essential to heat and cool the crucible gradually. A gradual heating and cooling process allows the crucible to expand and contract uniformly, reducing the risk of cracking. 3. Use proper heating techniques: When heating the crucible, it is important to use appropriate heating techniques such as applying a uniform heat source. Uneven heating can lead to localized expansion and contraction, increasing the chances of cracking. 4. Maintain proper temperature limits: Each type of graphite crucible has a specific temperature limit. Exceeding this limit can result in thermal stress and eventual cracking. It is crucial to operate within the recommended temperature range to prevent damage. 5. Handle with care: Graphite crucibles are delicate and can be easily damaged if mishandled. To prevent cracking, it is important to handle them with care, avoiding any sudden impacts or rough handling. 6. Regular inspection: Regularly inspecting the crucibles for any signs of wear, cracks, or damage is vital. If any issues are identified, it is best to replace the crucible immediately to prevent any further damage or potential accidents. By following these preventive measures, the risk of thermal stress and cracking in graphite crucibles can be significantly reduced, ensuring their long-lasting performance.
- Q:How do you prevent graphite crucibles from cracking or breaking?
- To prevent graphite crucibles from cracking or breaking, there are several key factors to consider: 1. Proper handling: Graphite crucibles should be handled with care, avoiding any impact or rough handling that could cause stress and potential damage. Always use appropriate lifting tools and avoid dropping or hitting the crucibles against hard surfaces. 2. Controlled heating and cooling: Graphite crucibles should be heated and cooled gradually to prevent thermal shock. Sudden temperature changes can cause stress and cracks in the crucible. It is recommended to use a programmable furnace or kiln that allows for controlled and gradual temperature changes. 3. Preheating: Before using a new graphite crucible or when reusing a previously used one, it is important to preheat it slowly to remove any moisture or impurities that could cause thermal expansion and lead to cracking. This can be done by gradually increasing the temperature in the furnace. 4. Avoid overloading: Graphite crucibles have a maximum capacity that should not be exceeded. Overloading the crucible can cause excessive stress during heating and may lead to cracks or breakage. Always follow the manufacturer's recommendations regarding the maximum capacity of the crucible. 5. Avoid rapid cooling: After using a graphite crucible, it is important to allow it to cool down gradually. Avoid exposing the hot crucible to cold air or water, as rapid cooling can cause thermal shock and result in cracking. Instead, let it cool naturally in the furnace or kiln before removing it. 6. Regular maintenance: Inspect graphite crucibles regularly for any signs of wear, such as cracks, chips, or erosion. Replace any damaged crucibles immediately to avoid further damage during use. Additionally, proper cleaning and storage of crucibles when not in use can help prolong their lifespan. By following these guidelines, you can greatly reduce the risk of cracking or breaking graphite crucibles, ensuring their longevity and optimal performance in various applications.
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Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
- 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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