SiC Crucibles,SIC Graphite Crucible, Graphite Crucible with Hihg Heat Resistance 2015
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- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
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Quick Details for SiC Crucibles,SIC Graphite Crucible, Graphite Crucible with Hihg Heat Resistance 2015
| 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
Physicochemical Properties of graphite crucible:
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.
high pure graphite | ||||
Item | Unit | baked twice | baked three time | baked four times |
impregnated once | impregnated twice | impregnated three times | ||
grain size | mm | ≤325μm | ≤325μm | ≤325μm |
Bulk density | g/cm3 | ≥1.68 | ≥1.78 | ≥1.85 |
Specific resistance | μΩ.m | ≤14 | ≤14 | ≤13 |
Bending strength | MPa | ≥25 | ≥40 | ≥45 |
Compressive strength | MPa | ≥50 | ≥60 | ≥65 |
Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
Fine-grain Specialty Graphite FXG-1 | Fine-grain Specialty Graphite FXG-2 | ||||
Item | Unit | Guarantee value | Typical value | Guarantee value | Typical value |
Max grain size | mm | 0.8 | 0.8 | 0.8 | 0.8 |
Bulk density | g/cm3 | ≥1.70 | 1.73 | ≥1.73 | 1.76 |
Specific resistance | μΩ.m | ≤8.5 | 7.5 | ≤8.0 | 7 |
Bending strength | MPa | ≥10.0 | 11 | ≥12.0 | 12.5 |
Compressive strength | MPa | ≥24.0 | 27 | ≥31.0 | 34 |
Thermal Condcutivity | W/(m.k) | ≥120 | 150 | ≥130 | 160 |
C.T.E.(100-600) °C | 10-6/°C | ≤2.5 | 2.2 | ≤2.5 | 2.1 |
Ash content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
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.
5.Can I visit you?
Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.
- Q:What are the different accessories available for graphite crucibles?
- There are various accessories available for graphite crucibles including tongs or holders for easy handling, covers or lids to protect the contents from contamination or loss of heat, and pouring shanks or spouts for controlled pouring of molten materials. Additionally, some crucibles may have additional features such as holes or notches for securing thermocouples or other temperature measurement devices.
- Q:How does the shape of a graphite crucible affect the melting process?
- The shape of a graphite crucible can significantly affect the melting process. Graphite crucibles are commonly used in high-temperature applications such as melting metals, alloys, and other materials. The shape of the crucible determines the efficiency and effectiveness of the melting process. Firstly, the shape of the crucible affects the heating and cooling rates of the material being melted. A crucible with a wider and flatter shape will have a larger surface area exposed to the heat source, allowing for faster and more uniform heating. This can result in a quicker melting process and better heat distribution throughout the material. On the other hand, a crucible with a narrower and taller shape will have a smaller surface area exposed to the heat, which can lead to slower and less uniform heating. Secondly, the shape of the crucible can influence the convection currents within the material being melted. Convection currents are the flow of liquid or gas due to temperature differences. A crucible with a wide and shallow shape promotes the movement of the molten material, allowing for better mixing and homogenization. This can be particularly important when melting alloys or materials with different melting points. Conversely, a crucible with a narrow and deep shape may impede the movement of the molten material, resulting in less effective mixing and potential stratification. Additionally, the shape of the crucible can also affect the crucible's ability to withstand thermal expansion and contraction. During the melting process, the crucible is exposed to extreme temperatures, which can cause it to expand and contract. A crucible with a shape that allows for more even and controlled expansion and contraction is less likely to crack or break under thermal stress. In conclusion, the shape of a graphite crucible plays a crucial role in the melting process. A well-designed crucible shape can promote faster and more uniform heating, improve mixing and homogenization, and enhance the crucible's durability against thermal stress. Therefore, selecting the appropriate crucible shape is essential for achieving optimal melting results.
- Q:Aluminum crucibles can be used to heating soda?
- The reaction of alumina and sodium carbonate will generate high temperature, sodium aluminate and carbon dioxide. If you want to heat up sodium carbonate, you can use graphite crucibles and glass
- Q:How should CPP aluminium plating film be produced?. Is the vacuum aluminizing machine necessary? How much is the machine?. What material does CPP aluminum plating film need?.
- This membrane is to buy the substrate membrane, and then use the vacuum plating machine to fine aluminum wire plating on the surface of the substrate, electroplating machine specifications vary, it prices are different! There is the same specifications, different manufacturers are also a lot of price difference! Prices like Shandong and Qingzhou are about 1 million lower, and the price in Lanzhou is about 1 million 800 thousand higher! But the effect of plating is not a level! As we have high demand for reflective materials, the industry is used in Lanzhou!
- Q:Can graphite crucibles be used for eutectic growth?
- Yes, graphite crucibles can be used for eutectic growth. Eutectic growth refers to the process of solidification of a eutectic alloy, which is a mixture of two or more metals or elements that have a specific composition and temperature at which they solidify together. Graphite crucibles are commonly used in high-temperature applications and have excellent thermal conductivity and resistance to chemical reactions. These properties make them suitable for holding and heating eutectic alloys to the required temperature for controlled solidification. Additionally, graphite crucibles have good thermal stability, allowing them to withstand the thermal cycling involved in the eutectic growth process. Therefore, graphite crucibles are a popular choice for eutectic growth experiments or industrial applications that require the controlled solidification of eutectic alloys.
- Q:Does the smelting of nonferrous metals, graphite crucible and cast iron crucible which is easy to use?
- The pollution of carbon to aluminum alloy and copper alloy should be less than that of iron to aluminium alloy and copper alloy, but the iron crucible is durable and easy to use
- Q:How to maintain the graphite crucible?
- The graphite crucible must be operated by more professional people when it is used so as to avoid the damage to the graphite crucible itself because of the wrong operation.
- Q:Can graphite crucibles be used for heat treatment processes?
- Graphite crucibles are capable of being utilized in heat treatment procedures. Graphite possesses a high melting point and exceptional thermal conductivity, rendering it an optimal material for applications necessitating elevated temperatures and efficient heat transfer. Heat treatment processes entail the elevation of materials to specific temperatures in order to modify their physical or chemical properties. Graphite crucibles can endure these elevated temperatures without undergoing melting or deformation, guaranteeing the stability and integrity of the heat treatment procedure. Moreover, graphite's minimal reactivity with most substances renders it suitable for a broad range of heat treatment applications, encompassing annealing, tempering, quenching, and carburizing. In general, graphite crucibles prove to be a favored choice for heat treatment processes due to their resistance to high temperatures, thermal conductivity, and chemical inertness.
- 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:Can graphite crucibles be used for melting pharmaceutical compounds?
- Melting pharmaceutical compounds can be done using graphite crucibles. Graphite crucibles are well-known for their high melting point, making them suitable for high-temperature applications like melting metals, alloys, and certain chemicals. It is crucial to match the temperature range of the graphite crucible with the melting point of the specific compound being melted, as pharmaceutical compounds may have different melting points. Moreover, graphite crucibles have low reactivity and are chemically inert, minimizing the risk of contamination or chemical reactions during the melting process. Nevertheless, it is vital to consider the specific requirements and properties of the pharmaceutical compound to ensure compatibility with the graphite crucible.
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SiC Crucibles,SIC Graphite Crucible, Graphite Crucible with Hihg Heat Resistance 2015
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
OKorder Financial Service
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