High Heat Resistance Graphite Crucibles for Melting Aluminium and Copper
- 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 SiC Crucibles For Melting Aluminium,Copper, Brass with High Heat Resistance
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 Crucibles For Melting Aluminium,Copper, Brass with High Heat Resistance
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: 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: Can a graphite crucible be used for nickel melting?
- Yes, a graphite crucible can be used for nickel melting. Graphite is a suitable material for high-temperature applications and has good resistance to chemical reactions with nickel. It can withstand the high temperatures required for nickel melting without melting or reacting with the metal, making it an ideal choice for this purpose.
- Q: Can a graphite crucible be used for metal powder sintering?
- Yes, a graphite crucible can be used for metal powder sintering. Graphite crucibles are commonly used in high-temperature applications, such as melting or sintering metals, due to their excellent thermal conductivity and resistance to thermal shock. The graphite material is able to withstand the high temperatures required for metal powder sintering, allowing for effective and efficient sintering processes. It is important to note that the specific graphite crucible used should be chosen based on the type of metal being sintered, as certain metals may react with graphite at high temperatures. Additionally, proper handling and maintenance of the crucible is necessary to ensure its longevity and performance during the sintering process.
- Q: Is it often influenced by graphite tube replacement in atomic absorption furnace?
- The instrument from the light source radiation with the measured spectral line of light, when the steam by the steam through the specimen to be measured in the ground state of the atom elements absorbed by the radiation characteristic spectrum of light is reduced the degree of determination of sample analyte. Because of the atomic absorption spectrometer is sensitive, accurate and simple characteristics, has been widely used in metallurgy, mining, geological analysis, petroleum, light industry, agriculture, medicine, health, food and environmental monitoring etc. the major and trace elements.
- Q: Can graphite crucibles be used for material synthesis?
- Yes, graphite crucibles can be used for material synthesis. Graphite has excellent thermal conductivity, chemical resistance, and high temperature resistance, making it suitable for various material synthesis processes such as melting, calcination, and fusion. Additionally, graphite crucibles can withstand rapid temperature changes and are inert, making them ideal for use in the synthesis of different materials.
- Q: Can graphite crucibles be used for melting reactive metals?
- Indeed, graphite crucibles are capable of melting reactive metals. Graphite exhibits exceptional resistance to heat and possesses superb thermal conductivity, rendering it an optimal substance for high-temperature purposes such as the melting of reactive metals. Moreover, graphite is chemically inert and does not undergo reactions with majority of metals, including numerous reactive variants. Nevertheless, it is crucial to acknowledge that specific reactive metals, for instance alkali metals or certain rare earth metals, may react with graphite when exposed to elevated temperatures. In such scenarios, alternative crucible materials such as refractory metals or ceramics might be deemed more appropriate.
- Q: What are the common defects found in graphite crucibles?
- Common defects found in graphite crucibles include cracks, chips, erosion, and oxidation. These defects can occur due to thermal shock, mechanical stress, chemical reactions, or prolonged use at high temperatures.
- Q: Are there any safety concerns associated with using graphite crucibles?
- Yes, there are some safety concerns associated with using graphite crucibles. Firstly, graphite crucibles can become very hot when used in high-temperature applications, such as melting metals. This can pose a burn hazard if not handled properly. It is important to use appropriate protective equipment, such as heat-resistant gloves and clothing, when working with hot graphite crucibles. Secondly, graphite can release fine particles or dust when it is used or manipulated. Inhaling graphite dust can be harmful to the respiratory system, especially if exposure is prolonged or in high concentrations. It is advisable to work in a well-ventilated area or use respiratory protection, such as masks, to minimize the risk of inhalation. Additionally, graphite crucibles can react with certain chemicals or substances, particularly strong oxidizers, which can cause chemical reactions and potentially result in fires or explosions. It is crucial to be aware of the compatibility of graphite crucibles with the materials being handled and to handle them accordingly to prevent any hazardous reactions. Lastly, graphite crucibles can be fragile and prone to breakage if mishandled or subjected to sudden temperature changes. Broken crucibles can cause sharp edges or fragments that can cause injuries if not handled with caution. Overall, while graphite crucibles are widely used and generally considered safe, it is important to be aware of and address these safety concerns to ensure safe handling and minimize any potential risks.
- Q: How does the thermal shock resistance of graphite affect the performance of a crucible?
- The thermal shock resistance of graphite greatly affects the performance of a crucible. Graphite is known for its excellent thermal conductivity and high melting point, making it an ideal material for crucibles used in high-temperature applications. However, graphite's thermal shock resistance is relatively low compared to other materials. Thermal shock resistance refers to a material's ability to withstand sudden and extreme temperature changes without cracking or breaking. In the case of a crucible, it is subjected to rapid heating and cooling cycles during various processes such as melting, casting, or chemical reactions. These temperature changes can cause stress on the material, leading to thermal shock failure if the crucible is not adequately resistant. When a crucible has low thermal shock resistance, it is more prone to cracking or fracturing when exposed to rapid temperature changes. This can result in leakage of molten materials, loss of containment, or contamination of the process. Additionally, the structural integrity of the crucible may be compromised, affecting its overall performance and longevity. On the other hand, a crucible with high thermal shock resistance can withstand rapid temperature changes without significant damage. It can maintain its structural integrity, ensuring the containment of molten materials throughout the process. This increases the reliability and efficiency of the crucible, allowing for consistent and uninterrupted operations. Therefore, the thermal shock resistance of graphite directly influences the performance of a crucible. Crucibles with higher thermal shock resistance are more reliable, durable, and efficient, ensuring the successful execution of high-temperature processes without the risk of premature failure or contamination.
- Q: What crucible can be used to make steel? At least 1500 degrees resistant
- BOF is carried out in the converter. The converter is shaped like a pear, wall brick, oven side holes (outlet), compressed air from these holes blowing furnace, also called side-blown converter. Initially, the converter at the level of 1300 degrees Celsius, inward injected liquid raw lime and iron. Adding a certain amount of air, and then make it stand upright and rotate the converter.
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High Heat Resistance Graphite Crucibles for Melting Aluminium and Copper
- 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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