Graphite Crucible for Sale Near Me - SIC Crucibles for Melting Aluminium, Copper, and Brass with High Heat Resistance
- 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
You Might Also Like
Quick Details for SiC Graphite Crucibles
| 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 |
SiC Graphite Crucibles For Melting Aluminium And Copper, Brass
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.
5.Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensures persistent heat conductivity and long working lifetime.
6.High-strength: high-density body and logical structure make the product better compression property.
7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.
8.Multi-function: Can be used in induction graphite crucible furnace
Features of SiC 95% silicon carbide sic crucible
1. resistance to deformation at high temperature,
2. thermal shock resistance, wear resistance, corrosion resistance.
3. anti-oxidation, anti- erosion.
Usage of SiC 95% silicon carbide sic crucible
electricity and steel slag trench,
coal chemical and mining transport pipeline.
- Q: What are the different methods of preventing oxidation in a graphite crucible?
- There are various techniques available to prevent oxidation in a graphite crucible. 1. Coating: An effective approach involves the application of a protective coating on the inner surface of the crucible. This coating acts as a barrier, preventing direct contact between the crucible and the oxidizing atmosphere. Refractory materials like zirconium oxide or alumina are commonly used for this purpose. 2. Preheating: Another method that works well is preheating the crucible prior to use. Subjecting the graphite crucible to high temperatures helps eliminate any impurities or volatile substances present, leaving behind a more stable and less vulnerable surface. This aids in minimizing oxidation during subsequent use. 3. Vacuum or inert gas environment: Performing operations within a vacuum or an inert gas environment, such as argon or nitrogen, can significantly reduce the likelihood of oxidation. These environments lack oxygen, which is necessary for oxidation to occur. By eliminating or reducing the presence of oxygen, the graphite crucible remains shielded from oxidation. 4. Temperature control: Properly managing the temperature also plays a crucial role in preventing oxidation in a graphite crucible. Excessive and prolonged exposure to high temperatures can accelerate oxidation. By maintaining the temperature within a specific range and avoiding abrupt temperature changes, oxidation can be kept to a minimum. 5. Regular cleaning and maintenance: Lastly, regular cleaning and maintenance of the crucible are imperative to prevent oxidation. Removing any accumulated contaminants or residues from the surface helps preserve the integrity of the crucible and safeguards against oxidation during subsequent use. It is important to consider that the choice of method may vary depending on the specific application and requirements. Factors such as the nature of the materials being processed, the operating conditions, and the desired level of protection against oxidation should be taken into account when selecting an appropriate method.
- Q: Can a graphite crucible be used for melting neptunium?
- It is not possible to use a graphite crucible for melting neptunium due to its highly radioactive and pyrophoric nature, causing spontaneous ignition in the air. Graphite is unsuitable for containing such reactive and hazardous substances. To safely melt neptunium, a specialized crucible made of a more resistant material like tantalum or platinum is necessary. These materials have a higher melting point and are better equipped to withstand the extreme conditions associated with neptunium.
- Q: Graphite is widely used in industry and in daily life. It can not be used in industry
- General graphite in industry and daily life has been used in various fields, but the graphite can not be used by those who industry is a matter to be determined, so we can only go to research specific, what is the specific application of graphite materials, if you don't want to in the industry application of graphite material
- Q: Can graphite crucibles be used for catalyst preparation?
- Catalyst preparation can indeed make use of graphite crucibles. Given their exceptional thermal conductivity and resistance to thermal shock, graphite crucibles are frequently employed in high temperature scenarios. They are able to endure temperatures of up to 3000°C, rendering them well-suited for multiple catalyst preparation methods that necessitate high temperatures. Graphite crucibles furnish a steady and unreactive setting for catalyst synthesis and preparation. They do not readily interact with most chemicals, enabling compatibility with a wide array of catalyst materials and precursors. This facilitates effective catalyst synthesis without the risk of impurities or undesired reactions. Moreover, graphite crucibles are renowned for their durability and lengthy lifespan, making them a cost-effective choice for repetitive use in catalyst preparation. They can be effortlessly cleaned and reused, thereby reducing the overall expenditure of the catalyst preparation process. It is important to note that the selection of crucible material may be contingent upon the specific catalyst preparation process and the chemicals involved. While graphite crucibles generally prove suitable for numerous catalyst preparation applications, some highly reactive or corrosive chemicals may necessitate the use of alternative crucible materials, such as ceramic or quartz crucibles. Consequently, it is crucial to consider the specific requirements of the catalyst preparation process before opting for a particular crucible material.
- Q: Does a graphite crucible react with any substances during use?
- No, a graphite crucible does not react with any substances during use. Graphite is chemically inert and has a high melting point, making it ideal for use in high-temperature applications such as melting metals. It does not react with the materials being melted or with any other substances present in the crucible. This property of graphite allows for the safe and efficient handling of various substances during processes such as metal casting, melting glass, or performing chemical reactions.
- Q: Are graphite crucibles suitable for melting magnetic materials?
- No, graphite crucibles are not suitable for melting magnetic materials. Graphite is a non-magnetic material and has a low melting point, making it unsuitable for use with magnetic materials that typically require higher temperatures for melting. Additionally, graphite can react with certain magnetic materials, leading to contamination and impurities in the molten metal. To melt magnetic materials, it is recommended to use crucibles made from materials that are resistant to high temperatures and have low reactivity with the specific magnetic material being melted.
- Q: Are there any safety concerns associated with using graphite crucibles?
- Yes, there are some safety concerns associated with using graphite crucibles. Graphite is a brittle material that can crack or break under certain conditions, such as rapid temperature changes. These cracks or breaks can lead to the release of graphite dust or particles, which can be harmful if inhaled. Additionally, graphite crucibles can absorb and release gases or impurities when exposed to high temperatures, potentially causing chemical reactions or contamination. Therefore, proper handling, maintenance, and use of personal protective equipment are necessary to minimize the risks associated with using graphite crucibles.
- Q: Can a graphite crucible be used for aluminum casting?
- Yes, a graphite crucible can be used for aluminum casting. Graphite crucibles are commonly used in foundries and metal casting operations due to their high melting point, excellent thermal conductivity, and resistance to chemical reactions. Aluminum has a relatively low melting point (around 660°C or 1220°F), making it suitable for graphite crucibles, which can withstand temperatures up to 3000°C (5432°F). The graphite crucible also helps in facilitating the transfer of heat from the heat source to the aluminum, ensuring proper melting and casting of the metal. However, it is important to note that graphite crucibles may undergo wear and tear over time due to the corrosive nature of aluminum, so regular inspection and replacement may be necessary to maintain casting quality.
- 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.
- Q: Can graphite crucibles be used for plasma arc melting?
- Graphite crucibles prove useful in plasma arc melting as they possess high thermal conductivity and resistance to high temperatures. This makes them suitable for a range of high-temperature applications. Given that plasma arc melting involves the use of an electric arc to create and sustain a plasma state, it necessitates a crucible capable of enduring the intense heat generated throughout the process. Graphite crucibles excel in this regard, as they can withstand these extreme temperatures and serve as a stable and durable container for the resulting molten material. Moreover, graphite crucibles exhibit commendable chemical resistance, enabling them to handle corrosive substances that may arise during plasma arc melting. In summary, graphite crucibles remain a prevalent and effective choice for plasma arc melting applications.
Send your message to us
Graphite Crucible for Sale Near Me - SIC Crucibles for Melting Aluminium, Copper, and Brass with High Heat Resistance
- 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
Similar products
Hot products
Hot Searches
Related keywords
