Ceramic Vs Graphite Crucible - Refractory Crucibles SiC Crucible for Melting Copper/Brass/Aluminum
- 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 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 specific storage requirements for graphite crucibles?
- Yes, graphite crucibles have specific storage requirements. They should be stored in a dry and cool environment to prevent oxidation and damage. It is essential to keep them away from moisture, direct sunlight, and extreme temperature fluctuations. Additionally, they should be stored in a clean area to avoid contamination from dust or other substances.
- Q: Does a graphite crucible require any preheating before use?
- Yes, a graphite crucible typically requires preheating before use. This is because graphite crucibles are often used in high-temperature applications, such as melting metals or performing other heat-intensive processes. Preheating the crucible helps to reduce thermal shock and prevent cracks or damage to the crucible. Additionally, preheating helps to remove any moisture or impurities that may be present in the crucible, ensuring a clean and reliable container for the intended application. It is important to follow the manufacturer's instructions and guidelines for preheating to ensure the proper use and longevity of the graphite crucible.
- Q: Can graphite crucibles be used for carbon fiber production?
- Yes, graphite crucibles can be used for carbon fiber production. Graphite crucibles are commonly used in high-temperature applications due to their excellent thermal conductivity, high melting point, and chemical resistance. In the production of carbon fiber, graphite crucibles can be used to heat and melt the precursor materials, such as polyacrylonitrile (PAN) or pitch, which are then processed through a series of steps to produce carbon fiber. The high-temperature stability and non-reactivity of graphite make it an ideal material for maintaining the necessary conditions during the carbonization process. Additionally, the smooth surface of graphite crucibles helps in achieving uniform heat distribution, which is crucial for the quality and consistency of carbon fiber production. Therefore, graphite crucibles are a suitable choice for carbon fiber production.
- Q: Can graphite crucibles be used for electron beam melting processes?
- Graphite crucibles are indeed capable of being used in electron beam melting processes. They possess exceptional thermal conductivity, a high melting point, and commendable resistance to chemical attack, rendering them appropriate for high-temperature applications like electron beam melting. The remarkable thermal conductivity of graphite aids in the effective transfer of heat, thereby enabling uniform heating and melting of the material. Moreover, graphite crucibles exhibit excellent dimensional stability, a vital factor in ensuring precise control over the melting process. Consequently, graphite crucibles are widely favored in electron beam melting processes due to their advantageous attributes.
- Q: How do you determine the appropriate crucible capacity for a specific application?
- To determine the appropriate crucible capacity for a specific application, there are several factors that need to be considered. Firstly, you need to consider the quantity of material that needs to be melted or heated in the crucible. This can be determined by the volume or weight of the material. It is important to choose a crucible size that can accommodate the material without overflowing or being too empty, as both scenarios can affect the heating efficiency and the quality of the final product. Secondly, you need to consider the melting or heating temperature required for the specific application. Different materials have different melting points, and some may require higher temperatures than others. The crucible should have the capacity to withstand and maintain the desired temperature without cracking or deforming. Additionally, the duration of the application should be taken into account. If the application requires a prolonged period of melting or heating, it is important to choose a crucible size that can hold the material for the required duration without the need for frequent refilling or emptying. This ensures a continuous and efficient operation. Furthermore, the type of crucible material is also important in determining the appropriate capacity. Different materials have different thermal conductivity and compatibility with certain materials. It is crucial to choose a crucible material that is suitable for the specific application to prevent contamination or reaction between the crucible and the material being heated. Lastly, it is recommended to consult the manufacturer or supplier of the crucible for their recommendations. They have the expertise and knowledge to guide you in selecting the appropriate crucible capacity based on your specific application requirements. By considering these factors and seeking expert advice, you can determine the appropriate crucible capacity for your specific application, ensuring optimal performance and desired results.
- Q: How do you prevent graphite crucibles from erosion during use?
- To prevent graphite crucibles from erosion during use, several measures can be taken. First, maintaining proper temperature control is crucial, as extreme temperatures can accelerate erosion. Using a protective coating or glaze on the inner surface of the crucible can also help minimize erosion. Additionally, avoiding abrupt temperature changes and handling the crucible with care can prevent mechanical damage that may lead to erosion. Regular cleaning and proper handling of the crucible, such as avoiding direct contact with corrosive substances, can further extend its lifespan and minimize erosion.
- Q: Can a graphite crucible be used for non-ferrous metals?
- Yes, a graphite crucible can be used for non-ferrous metals. Graphite crucibles are commonly used in foundries and laboratories for melting and casting non-ferrous metals such as gold, silver, copper, aluminum, and zinc. Graphite is an excellent material for high-temperature applications due to its high thermal conductivity and high melting point. It can withstand the intense heat required to melt non-ferrous metals without melting or reacting chemically with the molten metal. Additionally, graphite crucibles have good resistance to thermal shock and are relatively easy to handle and clean. Therefore, they are a preferred choice for melting non-ferrous metals in various industries.
- Q: Graphite used in graphite in the glass industry?
- Graphite used in the glass industry, some graphite crucible furnace, because graphite temperature resistance is good, but the graphite products must be anti oxidation treatment.
- Q: How do you prevent thermal shock in graphite crucibles?
- To prevent thermal shock in graphite crucibles, it is essential to gradually heat and cool them. This can be achieved by preheating the crucibles before use and avoiding sudden temperature changes. Additionally, ensuring a proper and even distribution of heat during heating and cooling processes can help minimize the risk of thermal shock.
- Q: How long will it take to warm the water at 20 degrees to 3000 degrees at 3800?
- The temperature of the heater can not be reached 3800C unless heated by high-energy laser, high-energy electron beam, plasma, etc.. However, the heating area can reach the high temperature equipment can be achieved is very small, but also have the conditions of use, such as electron beam high vacuum environment (water can not reach the requirement of high vacuum), laser heated material can absorb light energy (water absorption), the velocity of gas plasma is very high, very fast cooling the total energy is very small.
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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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