High Temperature Graphite Carbon Crucible for SIC Applications
- Ref Price:
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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
| Application: | melting metals | Height: | depends on your requirement | Top Diameter: | 10-1200mm |
| Bottom Diameter: | 10-1200mm | Place of Origin: | China (Mainland) | Brand Name: | |
| product name: | SiC graphite crucible china graphite crucible | top diameter: | 10-1200mm | bottom diameter: | 10-1200mm |
| height: | depends on your requirement | application: | melting gold,silver and other metals | Specific resistance: | ≤14μΩ.m |
| Bending strength: | ≥25MPa | Compressive strength: | ≥50MPa | Bulk densit: | ≥1.68g/cm3 |
| Ash content: | ≤0.15% |
Packaging & Delivery
| Packaging Details: | woden case for SiC graphite crucible china graphite crucible |
| Delivery Detail: | within 20 days |
Introduction
1. Graphite crucible can be used for non-ferrous metal smelting and casting, dissolving gold
or silver ornaments, analysis of special type steel, sintering hard metal.
2. graphite crucible for smelting gold is specialized in melting gold in headgear and jewelryindustry. That requests graphite material has high density and purity, ablation-resistance, and it can be used many times. We can machine various crucibles accordingto customer's requirement.
3. Machined from high pure graphite and widely used in the gold,silver,platinum and other noble metal's melting.If it's used in oxygen atmosphere,it wil start to be oxygenized when the temperature is higher than 700-800°c. If it's used in the protective atmosphere, it can stand more than 2000°c.
4. widely used in such fields as industrial furnaces, mono-crystalline silicon machinery, mono-crystalline silicon machinery, electron, semi-conductor, metallurgy, oil, chemistry, textile, electrical machinery, electrical equipment, electrical furnace, traffic, communication industry, medicine, etc.
Advantages
1.good thermal conductivity
2.High-temperature resistance
3. Small thermal expansion coefficient.
4.Strong corrosion resistance to acid and alkali liquid
5.Good chemical stability
Technology parameter
Item | Unit | High pure graphite | ||
baked twice | baked three time | baked four times | ||
impregnated once | impregnated twice | impregnated three times | ||
Grain size | mm | ≤325mesh | ≤325mesh | ≤325mesh |
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 |
We accept small orders,please inquiry us freely. | ||||
Item | Unit | Fine-grain Specialty Graphite model 1 | Fine-grain Specialty Graphite model model2 | ||
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 |
We are always avliable to service you! | |||||
Parts sizes of graphite crucible table
Product name | Dimensions(mm) | Weight(g) | |||
Φ1 | Φ2 | Φ3 | H | ||
1 kg graphite crucible | 58 | 47 | 35 | 88 | 160 |
2kg graphite crucible
| 65 | 58 | 44 | 110 | 240 |
2.5kg graphite crucible
| 65 | 58 | 44 | 126 | 300 |
3kg graphite crucible
| 85 | 75 | 60 | 105 | 390 |
4kg graphite crucible
| 85 | 75 | 60 | 130 | 500 |
4kg graphite crucible
| 85 | 75 | 60 | 136 | 500 |
5kg graphite crucible
| 100 | 89 | 69 | 130 | 700 |
5.5kg graphite crucible
| 105 | 90 | 70 | 156 | 800 |
6kg graphite crucible
| 110 | 97 | 79 | 174 | 970 |
We have all kinds of sizes graphite crucibles in stock,please feel free to contact us. | |||||
packaging & shipping
Packaging
1. For each type, we can send you the detailed high-resolution pictures since we have the sample in our hand.
2. For packaging, we have the professional packaging starff, pls. don't worry about the shipping.
Our service
1.Delivery time is 5~7 days for sample and 15 working days for bulk order;
2. Strong production capacity and strict quality control system;
3. Your inquiry and problems related to our products or prices will be replied in 24 hours;
4. Well-trained and experienced staffs to answer all your inquires;
5. After-sale tracking service for all of our clients;
6. OEM is available; small quantities, mixed bulk orders are also welcome;
7. Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8. Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST.
After-Sales Service
1.1year warranty for most of our products;
2.We will arrange delivery of the goods on time:
3.Within the warranty period, we will bear all the qulity problem of our produts;
4.Beyond the warranty period, we will despatch the replacement parts to help fix the products;
5.Without any problem, we will gain the feedbacks of our products to help improve better products.
FAQ
Q:How to get in touch with us?
A:You can clik "Contact Supplier" above, or click "Chat Now!". We provide 24-hour service!
Q: How can I get free samples?
A: Only carbon brush for power tools/automobiles/motorcycle----no more than 4 sets for each model is free of charge.
Q:How to order?
A:Quotation→Price comfirming→Sign a contract→Mass production→Delivery
Q:How to pay?
A:30% T/T deposit.→70% balance by T/T against B/L copy.
Q:How to get after-sales service?
A:You can contact with your appointed sales.
You can also get in touch with our Quality Assurance Department: zdatzddt.com
Company Information
Other refractory materials for High temperature industry
- Q: Can a graphite crucible be used with gas burners or torches?
- Yes, a graphite crucible can be used with gas burners or torches. Graphite crucibles are known for their high heat resistance and durability, making them suitable for use with gas burners or torches. They can withstand extremely high temperatures and are often used in applications such as melting metals, glass, or other materials. The high thermal conductivity of graphite allows for efficient heat transfer, making it an ideal choice for such high-temperature applications. However, it is important to ensure that the crucible is properly sized and designed for the specific gas burner or torch being used to prevent any potential damage or safety hazards.
- Q: Can graphite crucibles be used for semiconductor manufacturing?
- No, graphite crucibles cannot be used for semiconductor manufacturing.
- Q: Can graphite crucibles be used for melting composite materials?
- Yes, graphite crucibles can be used for melting composite materials. Graphite crucibles are known for their high melting point and good thermal conductivity, which makes them suitable for melting a wide range of materials, including composite materials. Additionally, graphite crucibles are resistant to chemical reactions, making them ideal for handling and containing composite materials during the melting process. However, it is important to consider the specific composition and melting point of the composite material to ensure that it is compatible with the graphite crucible.
- Q: What is the conductivity of graphite and copper, iron and zinc?
- Graphite and copper, iron, and zinc are electrically conductive. The conductivity and thermal conductivity are different for different grades of materials. It is necessary to determine the material or grade of the graphite to have the corresponding technical parameters. The letter Ruida graphite thermal field | graphite heater | graphite crucible | isostatic graphite, when processing will also consider these problems, depends on the specific application!
- Q: Can a graphite crucible be used for non-ferrous metals?
- Indeed, non-ferrous metals can absolutely be melted using a graphite crucible. Foundries and laboratories frequently utilize graphite crucibles for the purpose of melting and casting non-ferrous metals like gold, silver, copper, aluminum, and zinc. The reason graphite is widely favored for high-temperature applications is due to its exceptional thermal conductivity and high melting point. It possesses the ability to withstand the extreme heat required to melt non-ferrous metals, all the while avoiding any possibility of melting or chemically reacting with the molten metal. Furthermore, graphite crucibles exhibit impressive resistance to thermal shock and are relatively manageable and easy to clean. As a result, they are the preferred choice in various industries when it comes to melting non-ferrous metals.
- Q: Melting copper slag with a graphite crucible furnace can add any flux, in order to shorten the melting time and save fuel
- The more specific fuel, you can contact specific: Pingdu Hua Hua graphite factory car factory director, their factory is specializing in the production of graphite crucible manufacturers, quality is better
- Q: How does the thermal stability of graphite affect the performance of a crucible?
- The performance of a crucible is greatly influenced by the thermal stability of graphite. Graphite is renowned for its high melting point and exceptional thermal conductivity, making it an ideal material for crucibles used in high-temperature scenarios. Industries such as metallurgy, foundries, and laboratories commonly employ crucibles that are subjected to extreme temperatures. The thermal stability of graphite guarantees that the crucible can endure these high temperatures without distorting or melting. With a melting point of approximately 3,600 degrees Celsius, graphite's high melting point allows the crucible to maintain its shape and structural integrity under intense heat. This characteristic is crucial since it prevents the crucible from warping or collapsing, which can lead to uneven heating and material loss. Furthermore, graphite's outstanding thermal conductivity enables the crucible to evenly distribute heat across its surface. This is essential as it ensures uniform heating of the materials held within the crucible, preventing localized hotspots or uneven temperature gradients. In applications requiring precise temperature control, such as alloy production or chemical reactions, this characteristic is vital for achieving accurate and consistent results. Moreover, the thermal stability of graphite also impacts the crucible's ability to resist thermal shock. Thermal shock occurs when there is a sudden and drastic change in temperature, resulting in the cracking or even breaking of the crucible. Graphite's high thermal stability allows it to endure thermal shock without significant damage, guaranteeing the longevity and durability of the crucible. To summarize, the thermal stability of graphite is crucial for the performance of a crucible. It enables the crucible to withstand high temperatures without distorting or melting, ensures even heat distribution, and enhances its resistance to thermal shock. These properties make graphite crucibles highly dependable and suitable for demanding applications that require high-temperature stability and precise temperature control.
- Q: What is the use of an iron crucible?
- Because it is more able to withstand high temperatures than glass. When used, the crucible is usually placed diagonally on the crucible to prevent the heat from jumping out and allowing the air to pass in and out freely for possible oxidation. Because the bottom of the pot is very small, it usually needs to be placed on the clay triangle to heat it directly. The crucible can be placed on the iron tripod with either positive or oblique directions, and can be placed on the basis of the requirements of the experiment. When the crucible is heated, it cannot be immediately placed on a cold metal table to prevent it from breaking due to rapid cooling.
- Q: How do you prevent graphite crucibles from thermal shock during use?
- To prevent graphite crucibles from thermal shock during use, there are several measures that can be taken: 1. Preheating: Before using the crucible, it is important to preheat it gradually. This can be done by placing the crucible in a kiln or furnace and slowly increasing the temperature. This process allows the crucible to expand uniformly and minimizes the risk of thermal shock. 2. Avoid sudden temperature changes: Graphite crucibles should be heated and cooled slowly to avoid abrupt temperature changes. Rapid heating or cooling can cause thermal stress, leading to cracks or even breakage. It is advisable to use a programmable kiln or furnace that allows for controlled temperature ramping and cooling rates. 3. Use insulating materials: Insulating materials, such as ceramic fiber blankets or boards, can be used to surround the crucible during heating and cooling processes. These materials provide thermal insulation, reducing the rate of temperature change and minimizing the risk of thermal shock. 4. Proper handling: It is important to handle graphite crucibles with care to prevent accidental impacts or drops, which can cause cracks or fractures. Always use appropriate tools or tongs when moving or manipulating the crucible to avoid physical damage. 5. Avoid contact with water or other coolants: Graphite crucibles should not come into direct contact with water or other coolants while they are at high temperatures. This can cause rapid cooling and thermal shock. If cooling is necessary, it is recommended to allow the crucible to cool naturally in the ambient environment or use a controlled cooling process. By following these preventive measures, the risk of thermal shock in graphite crucibles can be significantly reduced, ensuring their longevity and performance in high-temperature applications.
- Q: What magnetic material is sintered with large corundum crucible?
- The graphite crucible is a high temperature resistant and difficult to sinter material, but the biggest problem must be used in a vacuum or a reducing atmosphere. Otherwise, graphite is easily oxidized at high temperature. And the crucibles are more expensive.
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High Temperature Graphite Carbon Crucible for SIC Applications
- 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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