Ceramic Vs Graphite Crucible - 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: Are there any special precautions to be taken while using graphite crucibles?
- While using graphite crucibles, it is essential to take special precautions into consideration. Careful handling is crucial as these crucibles are delicate and prone to breakage. To prevent cracks or damage, it is important to avoid dropping or mishandling them. Furthermore, storing graphite crucibles in a clean and dry environment is necessary to prevent contamination. Impurities from the surroundings can be absorbed by graphite, impacting its performance and durability. Hence, maintaining a contamination-free storage space is advised. To avoid thermal shock, which can cause cracks or breakage, it is crucial to refrain from subjecting graphite crucibles to sudden temperature changes. Gradually heating or cooling the crucible within the recommended temperature range is recommended to prevent thermal shock. Prior to initial use, it is important to properly season or preheat the graphite crucible. This process involves slowly heating the crucible to a specific temperature to eliminate any moisture or volatile substances present. Neglecting to season the crucible appropriately can result in cracking or premature failure during subsequent use. Additionally, it is vital to avoid overloading the crucible with excessive material, as graphite crucibles have specific capacity limits. Overloading can lead to crucible failure or reduce its lifespan. Lastly, when handling molten materials or pouring them into the crucible, it is essential to wear suitable personal protective equipment. This includes heat-resistant gloves, face shields, and other protective clothing to prevent burns or injuries. By adhering to these precautions, users can ensure the safe and effective use of graphite crucibles while maximizing their lifespan and performance.
- Q: Does the silicon carbide graphite Tong have a magnetic field in the intermediate frequency furnace?
- Efficiency --- reduce downtime and costSilicon carbide graphite crucible, silicon carbide particles ranging in content in the raw material inside the graphite crucible, such as the content is 50%, there are 24%, there are other different content, of course, can also be customized according to the different requirements of customers, not the same amount of silicon carbide containing graphite crucible.
- Q: Can industrial induction furnaces heat graphite?
- However, it can heat something else and then heat the graphite by heat transfer.
- Q: How does the gas permeability of graphite affect crucible performance?
- The performance of a crucible heavily relies on the gas permeability of graphite. Graphite possesses exceptional gas permeability, which means it allows gases to pass through it effortlessly. This characteristic proves advantageous in a crucible because it permits the release of gases that may be produced during high-temperature procedures, like melting or heat treatment. When a crucible is exposed to elevated temperatures, it may undergo several chemical reactions that lead to the generation of gases, such as carbon dioxide or carbon monoxide. If these gases become trapped inside the crucible, they can create a buildup of pressure, resulting in cracks or even explosions. However, thanks to the gas permeability of graphite, these gases can escape through the walls of the crucible, averting any potential damage. Furthermore, the gas permeability of graphite also aids in eliminating impurities or volatile substances from the crucible. During certain processes, impurities or volatile materials might be present in the material being melted or treated. If these substances are not allowed to escape, they can contaminate the final product or compromise the quality of the procedure. The gas permeability of graphite facilitates the effortless removal of these impurities, ensuring a cleaner and more efficient process. In conclusion, the gas permeability of graphite is crucial for the performance of a crucible as it enables the secure release of gases produced during high-temperature procedures and facilitates the removal of impurities. By permitting gases to escape and preventing pressure buildup, graphite crucibles can maintain their structural integrity and durability. Additionally, the gas permeability of graphite supports cleaner procedures and guarantees the quality of the end product.
- Q: Can a graphite crucible be used for ceramic or porcelain production?
- No, a graphite crucible cannot be used for ceramic or porcelain production. Graphite is a form of carbon that has a high melting point and is often used for melting metals and alloys due to its excellent heat resistance. However, when it comes to ceramic or porcelain production, higher temperatures are required, usually exceeding the melting point of graphite. Additionally, graphite crucibles are porous and can absorb moisture, which can cause issues during the firing process of ceramics or porcelain. For these reasons, specialized crucibles made of materials like alumina or zirconia are typically used in ceramic or porcelain production to ensure proper firing and prevent contamination.
- Q: Can a graphite crucible be used for melting rare earth metals?
- Yes, a graphite crucible can be used for melting rare earth metals. Graphite is a suitable material for high-temperature applications, and it has good resistance to chemical reactions with various elements, including rare earth metals.
- Q: Can a graphite crucible be used for melting californium?
- No, a graphite crucible cannot be used for melting californium. Californium is a highly radioactive element that requires specialized materials and containment due to its hazardous properties.
- Q: The difference between single graphite furnace graphite furnace atomic absorption spectrophotometer and double graphite furnace
- Flame atomizer: it consists of three parts: sprayer, premixing chamber and burner. Features: easy operation and good reproducibility.Graphite furnace atomic device is a type of system will be placed in the pipe wall, graphite platform, carbon sample holes or graphite crucible with electric heating to a high temperature to achieve atomization. Tubular graphite furnace is the most commonly used atomization device.The atomization program is divided into drying, ashing, atomization and high temperature purificationThe atomization efficiency is high: under the adjustable high temperature, the sample utilization rate is 100%High sensitivity: the detection limit is 10-6~10-14Small amount of sample: suitable for determination of refractory elements
- Q: Medium frequency furnace plus graphite crucible does not start
- Hello, my factory is specializing in the production of graphite crucible manufacturers, medium frequency furnace dedicated graphite crucible and so on
- Q: Is it possible to achieve a controlled atmosphere inside a graphite crucible?
- Yes, it is possible to achieve a controlled atmosphere inside a graphite crucible. Graphite crucibles are often used in high-temperature applications such as metallurgy and chemical processes. They have excellent thermal conductivity and can withstand extreme temperatures. To create a controlled atmosphere, various methods can be employed, such as using gas purging techniques or introducing specific gases into the crucible to create the desired environment. The ability to achieve a controlled atmosphere depends on the design and sealing capabilities of the crucible, as well as the specific requirements of the process being carried out.
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Ceramic Vs Graphite Crucible - 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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