Best Crucible Graphite - SIC Crucibles 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 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: Can graphite crucibles be used for melting refractory metals?
- Absolutely! When it comes to melting refractory metals, graphite crucibles are the way to go. The reason being is that graphite possesses exceptional thermal conductivity and a remarkably high melting point, which renders it ideal for applications involving high temperatures. Take refractory metals like tungsten, molybdenum, and niobium for instance; these metals boast extraordinary melting points and can effortlessly withstand the temperatures achieved within a graphite crucible. Moreover, graphite exhibits minimal reactivity with most metals, thereby making it a suitable material for securely housing and melting refractory metals without any risk of contamination. However, it is of utmost importance to select a top-notch graphite crucible that is specifically engineered for melting refractory metals in order to ensure optimal performance and durability.
- Q: How is a graphite crucible disposed of at the end of its life?
- At the end of its life, a graphite crucible can be disposed of in an environmentally responsible manner. Since graphite is a non-toxic material, it can be recycled or reused rather than being sent to a landfill. There are several options for disposing of a graphite crucible: 1. Recycling: Graphite crucibles can be recycled by specialized recycling facilities. The graphite is typically melted down and purified to be used in the production of new graphite products. This helps conserve natural resources and reduces the need for new graphite extraction. 2. Reuse: If the crucible is still in good condition, it can be reused for its original purpose or repurposed for other applications. Many industries, such as metallurgy, ceramics, and jewelry making, can benefit from using second-hand graphite crucibles. This not only saves money but also reduces waste. 3. Donation: Another option is to donate the graphite crucible to educational institutions or research facilities. These organizations often require such equipment for experiments and studies. By donating, you extend the life of the crucible and contribute to scientific advancements. 4. Local regulations: It is essential to adhere to local regulations regarding the disposal of graphite crucibles. Some areas may have specific rules for the disposal of industrial equipment. It is advisable to consult with local waste management authorities or recycling centers to ensure compliance with regulations. Regardless of the disposal method chosen, it is crucial to handle the graphite crucible safely. Clean any residue or contaminants from the crucible before disposal, and follow any specific instructions provided by the manufacturer. By responsibly disposing of graphite crucibles, we can minimize environmental impact and contribute to a more sustainable future.
- Q: What are the different methods of measuring the temperature inside a graphite crucible?
- There are several methods that can be used to measure the temperature inside a graphite crucible. 1. Thermocouples: Thermocouples are widely used for temperature measurement in various industrial applications, including inside graphite crucibles. These devices consist of two different metal wires joined together to form a junction. When there is a temperature difference between the junction and the other end of the wires, a voltage is generated, which can be measured to determine the temperature. Thermocouples are relatively simple, cost-effective, and provide accurate temperature readings. 2. Infrared (IR) Pyrometers: Infrared pyrometers use the principle of thermal radiation to measure the temperature of an object without making direct contact. These devices detect the infrared radiation emitted by the graphite crucible, which is directly proportional to its temperature. IR pyrometers are non-contact and can provide quick temperature readings, making them suitable for applications where direct contact is not possible or desirable. 3. Optical Pyrometers: Optical pyrometers utilize the principle of color temperature to measure the temperature of an object. These devices work by comparing the color of the object being measured to a calibrated scale. By adjusting the scale until the colors match, the temperature can be determined. Optical pyrometers are commonly used in high-temperature applications and can provide accurate temperature readings. 4. Radiation Thermometers: Radiation thermometers, also known as non-contact infrared thermometers or infrared thermometers, measure the temperature by detecting the thermal radiation emitted by the graphite crucible. These devices typically use a detector to convert the thermal radiation into an electrical signal, which is then processed to determine the temperature. Radiation thermometers are non-contact, fast, and can provide accurate temperature measurements. 5. Contact Probes: Contact probes, such as thermocouple probes or resistance temperature detectors (RTDs), can be inserted directly into the graphite crucible to measure its temperature. These probes are typically made of high-temperature resistant materials and are connected to a temperature indicator or controller. Contact probes provide direct temperature readings and are commonly used in applications where continuous monitoring and control of temperature are required. Each of these methods has its advantages and limitations, and the choice of measurement technique depends on factors such as temperature range, accuracy requirements, response time, and the specific characteristics of the graphite crucible and its contents.
- Q: Can a graphite crucible be used for powder injection molding?
- Yes, a graphite crucible can be used for powder injection molding. Graphite is a popular choice for crucibles in various high-temperature applications due to its excellent thermal conductivity, high melting point, and low chemical reactivity. In powder injection molding, a graphite crucible can withstand the high temperatures required for the process, typically ranging from 1300 to 1600 degrees Celsius. Additionally, graphite crucibles provide good resistance to thermal shock and can effectively contain the molten feedstock during the injection molding process. Overall, using a graphite crucible in powder injection molding is a suitable option due to its favorable characteristics and compatibility with the required operating conditions.
- Q: Can a graphite crucible be used for melting pharmaceutical substances?
- Yes, a graphite crucible can be used for melting pharmaceutical substances. Graphite crucibles are known for their high melting point, excellent thermal conductivity, and chemical inertness, which make them suitable for a wide range of applications, including melting pharmaceutical substances. They can withstand high temperatures needed for the melting process without reacting with the substances being melted, ensuring the purity and integrity of the pharmaceutical compounds. Additionally, graphite crucibles can efficiently transfer heat, allowing for uniform heating and melting of the pharmaceutical substances. However, it is essential to ensure that the graphite crucible is properly cleaned and free from any contaminants that could potentially affect the purity of the pharmaceutical substances being melted.
- Q: Can graphite crucibles be used for powder metallurgy?
- Yes, graphite crucibles can be used for powder metallurgy. Graphite crucibles are commonly used in powder metallurgy processes due to their high thermal conductivity, resistance to thermal shock, and ability to withstand high temperatures. They provide a suitable environment for melting and sintering metal powders in powder metallurgy applications.
- Q: To sum up the different uses (and causes) of various crucibles in ChemistryQuartz glass crucibles, for examplealumina crucibleGlass crucibles, iron crucibles, and the like are different and should be noted
- The quartz glass crucible can be used in the 1450 degrees below two points, transparent and opaque. With translucent quartz crucible arc method is drawing large diameter silicon based material is essential to the development of large scale integrated circuits. Nowadays, the semiconductor industry in the world developed countries have used the crucible instead of transparent quartz crucible is small. He has high purity, resistance strong heat, large size high precision, good heat insulation, energy saving, stable quality and other advantages.
- Q: Can a graphite crucible be used for iron casting?
- Indeed, iron casting can be accomplished using a graphite crucible. Graphite is widely employed in the process of melting and casting diverse metals, such as iron. Graphite crucibles possess remarkable thermal conductivity and resistance to high temperatures, rendering them appropriate for the intense heat associated with iron casting. Furthermore, graphite crucibles exhibit commendable chemical resistance and do not undergo any reaction with molten iron, thereby guaranteeing the purity of the resulting cast iron. Nevertheless, it is worth mentioning that graphite crucibles might have a limited lifespan and could necessitate periodic replacement due to the effects of wear and tear caused by the extreme heat.
- Q: Graphite can react with alkali in high temperature
- Graphite is a very stable carbon element. Generally in time, high temperatures generally do not react with bases.
- Q: How to maintain the graphite crucible?
- In this way, the graphite crucible can not be used when the graphite crucible is used, and the residue left in the graphite crucible is damaged by the graphite crucible itself
Send your message to us
Best Crucible Graphite - SIC Crucibles 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
