• Borax Graphite Crucible for High Heat Resistance Copper Melting System 1
  • Borax Graphite Crucible for High Heat Resistance Copper Melting System 2
  • Borax Graphite Crucible for High Heat Resistance Copper Melting System 3
  • Borax Graphite Crucible for High Heat Resistance Copper Melting System 4
  • Borax Graphite Crucible for High Heat Resistance Copper Melting System 5
Borax Graphite Crucible for High Heat Resistance Copper Melting

Borax Graphite Crucible for High Heat Resistance Copper Melting

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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 

SiC Crucibles For Melting Copper with High Heat  Resistance

SiC Crucibles For Melting Copper 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.



SiC Crucibles For Melting Copper with High Heat  Resistance

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:Does the silicon carbide graphite Tong have a magnetic field in the intermediate frequency furnace?
Efficiency --- reduce downtime and costSilicon carbide graphite crucible, silicon carbide particles ranging in content in the raw material inside the graphite crucible, such as the content is 50%, there are 24%, there are other different content, of course, can also be customized according to the different requirements of customers, not the same amount of silicon carbide containing graphite crucible.
Q:Disadvantages of graphite crucibles
Wuxi branch casting Trade Co., Ltd. - cast brand graphite crucible, the use of time for 8-10 months, heat conduction soon,
Q:How is a graphite crucible used in the production of graphite electrodes?
A graphite crucible is an essential tool used in the production of graphite electrodes. Graphite electrodes are widely used in industries such as steelmaking, electric arc furnaces, and various other high-temperature applications. In the production process, a graphite crucible is used to hold and melt raw materials used for creating graphite electrodes. The crucible is made of high-quality graphite material, which has excellent thermal conductivity and can withstand extremely high temperatures. To begin, the raw materials are placed inside the graphite crucible. These materials typically consist of a mixture of petroleum coke, coal tar pitch, and other additives. Once loaded, the crucible is placed in a furnace or an electric arc furnace, where it is subjected to intense heat. As the temperature rises, the raw materials inside the crucible begin to melt and react with each other. Various chemical reactions take place, leading to the formation of a homogenous molten mass. The molten mixture is then carefully poured into molds, where it solidifies and takes the shape of a graphite electrode. The use of a graphite crucible is critical in this process for several reasons. Firstly, graphite has a high melting point, making it ideal for containing and withstanding the extreme temperatures required for melting the raw materials. The crucible also ensures that the molten mixture remains separate from the furnace, preventing any impurities or contaminants from affecting the quality of the final electrode. Furthermore, the thermal conductivity of graphite allows for efficient heat transfer, ensuring that the entire mass of raw materials melts uniformly. This uniformity is crucial for obtaining consistent and high-quality graphite electrodes. Additionally, the chemical inertness of graphite prevents any reactions between the crucible and the molten mixture, ensuring that the purity of the final electrode is not compromised. In conclusion, a graphite crucible plays a vital role in the production of graphite electrodes by providing a reliable and efficient container for melting raw materials. Its high melting point, thermal conductivity, and chemical inertness make it an ideal choice for this application, ensuring the production of high-quality graphite electrodes that meet the stringent requirements of various industries.
Q:What magnetic material is sintered with large corundum crucible?
But the chemical stability is good, not in vacuum. Corundum, by contrast, is much cheaper.
Q:Will the friction powder of the graphite sliding bearings rust?
The letter Ruida graphite thermal field | Rita graphite mold | letter letter Ruida lightning protector graphite | isostatic graphite graphite | surge | Ruida letter letter letter Ruida Ruida graphite products | graphite vacuum furnace | Rita graphite crucible | letter custom processing | graphite graphite powder |EDM graphite |10/350 surge graphite sheet for you to answer the above point of view, for reference only!
Q:Can graphite crucibles be used for melting bronze?
Indeed, it is possible to utilize graphite crucibles for the purpose of melting bronze. Foundries and other metalworking industries often make use of graphite crucibles due to the fact that graphite possesses both a high melting point and exceptional thermal conductivity. These particular attributes render graphite crucibles suitable for the melting of various metals, including bronze. As a general rule, bronze tends to liquefy at temperatures approximately 950°C (1742°F), which falls well within the capabilities of graphite crucibles capable of withstanding temperatures up to 3000°C (5432°F). Moreover, graphite crucibles exhibit favorable resistance to chemical reactions with molten metals, ensuring that the crucible does not taint the bronze during the melting process. Consequently, graphite crucibles are regarded as a dependable and highly favored option for the melting of bronze and other metals.
Q:How do you prevent graphite crucibles from thermal expansion-related issues?
To prevent graphite crucibles from thermal expansion-related issues, several measures can be taken: 1. Preheating: Before using a graphite crucible, it is essential to preheat it gradually. This process helps to eliminate any residual moisture and volatile substances within the crucible. Gradual preheating also allows the crucible to expand uniformly, reducing the risk of thermal shock. 2. Controlled cooling: After use, it is crucial to cool down the graphite crucible carefully. Sudden temperature changes can cause thermal stress and lead to cracking or fracturing. By allowing the crucible to cool gradually, the thermal expansion will be more controlled and minimize the risk of damage. 3. Avoiding extreme temperatures: Graphite crucibles have a certain temperature range within which they can safely operate. Exposing the crucible to temperatures beyond its capacity can result in thermal expansion-related issues. It is essential to adhere to the manufacturer's guidelines and avoid subjecting the crucible to extreme temperatures. 4. Proper handling and storage: Graphite crucibles are relatively fragile and can be susceptible to damage if mishandled or stored improperly. Avoid dropping or impacting the crucible, as this can weaken its structure and make it more prone to thermal expansion issues. Additionally, store the crucibles in a cool and dry environment to prevent moisture absorption, which can impact their thermal stability. 5. Regular inspection: Regularly inspect the graphite crucibles for any signs of wear, cracks, or other damage. It is important to replace any crucibles that show signs of degradation to prevent potential thermal expansion-related issues during use. By following these preventive measures, the risk of thermal expansion-related issues in graphite crucibles can be significantly reduced, ensuring their longevity and optimal performance.
Q:Graphite electrode, high temperature resistant oxidation coating, formulation technology
In the high temperature induction heating graphite crucible, graphite electrode used in high temperature oxidation environment will occur due to the high temperature arc part sublimation oxidation, will cause the continuous consumption of graphite crucible, even broken, broken. The graphite crucible loss rate will reach 40-60%. Zhi Sheng years of research production Wei Hua ZS high-temperature sealing paint is mainly used in high temperature environment protection against oxidation of graphite electrode, graphite crucible, graphite products, slow oxidation rate, increase the strength of the material, improve the service life. The fracture rate of graphite electrode is lower than that of graphite electrode.
Q:How do you prevent graphite crucibles from cracking or breaking?
To prevent graphite crucibles from cracking or breaking, there are several key factors to consider: 1. Proper handling: Graphite crucibles should be handled with care, avoiding any impact or rough handling that could cause stress and potential damage. Always use appropriate lifting tools and avoid dropping or hitting the crucibles against hard surfaces. 2. Controlled heating and cooling: Graphite crucibles should be heated and cooled gradually to prevent thermal shock. Sudden temperature changes can cause stress and cracks in the crucible. It is recommended to use a programmable furnace or kiln that allows for controlled and gradual temperature changes. 3. Preheating: Before using a new graphite crucible or when reusing a previously used one, it is important to preheat it slowly to remove any moisture or impurities that could cause thermal expansion and lead to cracking. This can be done by gradually increasing the temperature in the furnace. 4. Avoid overloading: Graphite crucibles have a maximum capacity that should not be exceeded. Overloading the crucible can cause excessive stress during heating and may lead to cracks or breakage. Always follow the manufacturer's recommendations regarding the maximum capacity of the crucible. 5. Avoid rapid cooling: After using a graphite crucible, it is important to allow it to cool down gradually. Avoid exposing the hot crucible to cold air or water, as rapid cooling can cause thermal shock and result in cracking. Instead, let it cool naturally in the furnace or kiln before removing it. 6. Regular maintenance: Inspect graphite crucibles regularly for any signs of wear, such as cracks, chips, or erosion. Replace any damaged crucibles immediately to avoid further damage during use. Additionally, proper cleaning and storage of crucibles when not in use can help prolong their lifespan. By following these guidelines, you can greatly reduce the risk of cracking or breaking graphite crucibles, ensuring their longevity and optimal performance in various applications.
Q:How to judge the thermal stability of rubber oil?
Thermal analysis method of qualitative thermal stability of 1 instrument 1.1 instrument differential thermal analyzer (DTA) and differential scanning calorimeter (DSC), temperature programmed rate at 2~30 C / min range, the precision of temperature control for soil 2 degrees, the size of power difference or temperature difference can reach 40% ~ 95% of the full scale deviation on the recorder.

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