Graphite Crucible Small - Refractory SIC Crucible for Brass/Aluminum
- 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% |
Packaging & Shipping
Package: Wooden case and wooden pallet or pack as customer's requirement of graphite crucible.
Delivery time: depend on distance, usually 20 days to 50days after deposit of graphite crucible.
We can supply the products according to customer's drawings, samples and performance requirement.
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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.
Welcome to visit our factory.
- Q:Are graphite crucibles suitable for melting composite propellants?
- Composite propellants are generally unsuitable for melting in graphite crucibles. Composite propellants are composed of oxidizers, fuels, and binders, which can be highly reactive and corrosive. Although graphite is known for its high melting point and resistance to high temperatures, it can react with certain components of composite propellants. When exposed to certain oxidizers like ammonium perchlorate, which is commonly found in composite propellants, graphite crucibles can undergo chemical reactions and erosion. This can result in contamination of the propellant and impact its performance. Additionally, the binders used in composite propellants can also react with graphite, causing the crucible to degrade and potentially fail. To melt composite propellants, it is advisable to use crucibles made from materials specifically designed for this purpose, such as ceramic or refractory metal crucibles. These materials have superior resistance to the corrosive nature of composite propellants and can withstand the high temperatures involved in the melting process.
- Q:Why can't a f containing compound be used in a porcelain crucible, a Lilac Garden?
- Therefore, a platinum crucible and a high-purity graphite crucible with a high temperature, chemical stability and corrosion resistance can be adopted, so as to avoid interference experiments.
- Q:The use of earthy graphite?
- Wear resistant materials: graphite is often used as a lubricant in the mechanical industry. Lubricants can not be used in high speed, high temperature, high pressure conditions, and graphite wear-resistant materials can be at 200~2000 degrees Celsius temperature in a high sliding speed, without lubricating oil work. Many devices for conveying corrosive media are made of graphite materials, piston cups, seals and bearings. They do not need to be lubricated when running. Graphite is many metal processing (drawing, drawing) the good lubricant.
- Q:How about the water content of Zinc Oxide in indirect method?
- Different raw materials to produce zinc, the purity of Zinc Oxide is not the same, the main production process of 99.5%--99.7% Zinc Oxide.
- Q:Can a graphite crucible be used with induction heating?
- Induction heating is capable of utilizing graphite crucibles. Graphite, possessing excellent electrical conductivity and high thermal conductivity, is well-suited for induction heating. The process involves the generation of electrical currents within the crucible through an electromagnetic field, consequently producing heat due to material resistance. Graphite crucibles are capable of enduring high temperatures, making them commonly applied in various high-temperature processes, including the melting of metals and alloys. However, it is crucial to consider the design and composition of the graphite crucible to guarantee compatibility with the specific application requirements and the induction heating system.
- Q:What are the properties of diamond, graphite and charcoal? What is the relationship between the nature of the material and its use?
- Graphite is smooth, high temperature resistant, high temperature resistant to lubricant. Graphite conductive, can do electrode, electrode and high-temperature furnace with high temperature graphite do. Good heat transfer performance, and the temperature suddenly rises not easy to burst, as graphite crucible corrosion resistance. The corrosion resistance of graphite, can do the chemical pipeline, acid tank alkali tank.
- Q:What are the different methods of controlling temperature in a graphite crucible?
- There are several methods of controlling temperature in a graphite crucible, including the use of external heating sources such as gas burners or electric heaters, the addition of insulating materials to regulate heat transfer, and the implementation of temperature sensors and controllers to maintain a specific temperature range. Additionally, techniques like preheating the crucible or adjusting the gas flow rate can also impact and control the temperature inside the crucible.
- Q:Can graphite crucibles be used for electron beam melting processes?
- Yes, graphite crucibles can be used for electron beam melting processes. Graphite crucibles have excellent thermal conductivity, high melting point, and good resistance to chemical attack, making them suitable for high-temperature applications such as electron beam melting. The high thermal conductivity of graphite helps in efficient heat transfer, allowing for uniform heating and melting of the material. Additionally, graphite crucibles have good dimensional stability, which is important for maintaining precise control over the melting process. Overall, graphite crucibles are commonly used in electron beam melting processes due to their favorable properties.
- Q:Can a graphite crucible be used for melting steel?
- Using a graphite crucible to melt steel is not possible. The reason is that graphite has a relatively low melting point, approximately 3,600 degrees Fahrenheit or 2,000 degrees Celsius. However, steel requires significantly higher temperatures to melt, around 2,500 degrees Fahrenheit or 1,370 degrees Celsius. Consequently, if a graphite crucible were used, it would melt before reaching the necessary temperature to melt the steel. To melt steel effectively, a more appropriate choice would be a crucible made of materials with higher melting points, like clay-graphite or silicon carbide.
- Q:What are the different methods of preventing contamination from graphite particles?
- There exist various techniques that can be employed to avoid the presence of graphite particles causing contamination. 1. Implementation of containment systems: One viable approach is to utilize containment systems, such as enclosed environments or glove boxes, to prevent the escape of graphite particles into the surrounding area. These containment systems can be equipped with air filtration and ventilation systems to eliminate any graphite particles present in the air. 2. Appropriate handling and storage: Another effective method to prevent contamination involves ensuring that graphite particles are handled and stored correctly. This may entail the use of sealed containers or bags for graphite storage and the adoption of proper handling techniques to minimize the dispersion of particles into the environment. 3. Regular cleaning and maintenance: Performing routine cleaning and maintenance on equipment and surfaces that come into contact with graphite can effectively prevent contamination. Specialized cleaning methods, such as wet cleaning or vacuuming, can be employed to eliminate any graphite particles that may be present. 4. Utilization of personal protective equipment: The utilization of personal protective equipment, including gloves, masks, and coveralls, can significantly mitigate the risk of contamination from graphite particles. These protective measures reduce direct contact with graphite, thereby minimizing the likelihood of contamination. 5. Provision of adequate training and education: Providing comprehensive training and education to personnel handling graphite is vital in raising awareness about contamination risks and the necessary precautions to be taken. This training can encompass proper handling techniques, the use of personal protective equipment, and the importance of regular cleaning and maintenance. By implementing these techniques, contamination from graphite particles can be effectively prevented, thereby ensuring a secure and sanitary working environment.
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Graphite Crucible Small - Refractory SIC Crucible for 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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