Graphite Crucible Near Me for Gold Melting Aluminium and Copper, Brass - SIC Graphite Crucibles
- 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 for SiC Graphite Crucibles For Melting Aluminium And Copper, Brass
| 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 |
Super Quality Long Working Life SiC Graphite Crucibles
Product Description
Specifications for Graphite Silicon Carbide Crucible For Aluminum Melting :
1.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.
2.High thermal conductivity: high-density body and low apparent porosity greatly improve its heat conductivity.
3.New-style materials: new heat conduction material ensures faster heat conductivity and pollution-free product, reduces adherent slag.
4.Resistance to corrosion:better anti-corrosion than normal clay-crucible.
5.Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensures persistent heat conductivity and long working lifetime.
6.High-strength: high-density body and logical structure make the product better compression property.
7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.
8.Multi-function: Can be used in induction graphite crucible furnace
Physicochemical Properties of graphite crucible:
The crucible is an utensil or melting tank vessels that is made of refractory material (such as clay, graphite, quartz or difficult molten metal iron, etc.).
Graphite crucible, with is special advantages and Plasticity, is widely used in the smelting area, e.g. gold smelting, silver smelting, aluminum smelting, cooper smelting, etc.
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 |
NO | Top diameter | Bottom diameter | Height | Tolerance | Capacity(Kg5%) |
2 | 90 | 50 | 55 | 2 | 0.3 |
3 | 105 | 80 | 93 | 2 | 0.5 |
4 | 102 | 80 | 100 | 2 | 0.6 |
5 | 112 | 82 | 130 | 2 | 0.8 |
6 | 120 | 82 | 141 | 2 | 0.9 |
8 | 138 | 90 | 153 | 2 | 1.2 |
12 | 148 | 100 | 181 | 2 | 1.8 |
16 | 156 | 110 | 190 | 2 | 2.3 |
20 | 180 | 120 | 230 | 2 | 3 |
25 | 186 | 128 | 248 | 2 | 3.7 |
Packaging & Shipping
Package: Wooden case and wooden pallet or pack as customer's requirement of graphite crucible.
Delivery time: depend on distance, usually 20 days to 50days after deposit of graphite crucible.
Our Services
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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.
Welcome to visit our factory.^_^
- Q: Are there any health risks associated with using a graphite crucible?
- No, there are no known health risks associated with using a graphite crucible. Graphite is a chemically inert material and does not release any harmful substances during normal usage.
- 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: 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 graphite crucibles be used for carbon and graphite production?
- Yes, graphite crucibles can be used for carbon and graphite production. Graphite crucibles are specifically designed to withstand high temperatures and are commonly used in various industries, including carbon and graphite production. They provide a stable and reliable container for melting and refining carbon and graphite materials.
- Q: How do you use crucibles to process copper?
- How to play lining, you can check the relevant information on Baidu. The working principle of intermediate frequency furnace is induction heating, the inductor is energized, producing dense magnetic lines, cutting the metal in the crucible, generating an electric furnace, and the metal itself generates heat to melt the metal. The power frequency furnace can also pull copper wires.
- Q: Does a graphite crucible require any special handling during transportation?
- Yes, a graphite crucible requires special handling during transportation. Graphite is a brittle material that can easily crack or break if subjected to excessive pressure or impact. To ensure the safe transportation of a graphite crucible, it should be packaged securely in a padded or cushioned container to protect it from any potential damage. Additionally, it is important to handle the crucible with care, avoiding any rough or sudden movements that could cause it to hit against other objects or surfaces. By taking these precautions, the risk of damage to the graphite crucible during transportation can be minimized.
- Q: I'd like to smelt 104 aluminium alloy by medium frequency furnace. What should I pay attention to? Please point it out, thank you!
- I can not decide which is good. I just want to talk about the smelting methods of some nonferrous alloys of my own experience. (1) casting, casting, tin bronze, 5-5-5, fused magnesia, medium frequency furnace smelting. Carbon contamination of aluminum alloy and copper alloy
- Q: What are the different methods of preventing graphite crucible leakage?
- There are several methods that can be employed to prevent graphite crucible leakage. One method is to ensure proper preparation and installation of the crucible. This includes thorough cleaning of the crucible surface and the mating surface of the crucible lid or cover. By removing any dirt or debris, a better seal can be achieved. Additionally, applying a thin layer of graphite lubricant or a high-temperature sealant to the mating surfaces can help create a tighter seal and prevent leakage. Another method is to use a gasket or an O-ring between the crucible and the lid. These gaskets are typically made of materials such as graphite, ceramic fiber, or metal and are designed to provide a reliable seal. The gasket is placed between the crucible and the lid, creating a barrier that prevents any molten metal or other substances from leaking out. Furthermore, proper tightening of the crucible lid or cover is crucial to prevent leakage. Over-tightening can cause damage to the crucible or the lid, leading to leaks. On the other hand, insufficient tightening can result in a loose seal, allowing for leakage. It is important to follow the manufacturer's recommendations regarding torque specifications for the lid or cover to ensure a proper seal. Regular inspection and maintenance of the crucible are also important preventive measures. Any signs of cracks, chips, or deterioration should be addressed promptly. These issues can compromise the integrity of the crucible, leading to leakage. By replacing damaged crucibles or repairing them in a timely manner, the risk of leakage can be minimized. In addition to these methods, proper handling and usage of the crucible can also contribute to preventing leakage. Avoiding sudden temperature changes, thermal shocks, and excessive mechanical stresses can help prolong the lifespan of the crucible and maintain its integrity. It is important to follow the recommended operating procedures and guidelines provided by the manufacturer to ensure the crucible's longevity and prevent leakage. Overall, by employing these methods - proper preparation and installation, using gaskets or O-rings, tightening the lid correctly, regular inspection and maintenance, and proper handling - graphite crucible leakage can be effectively prevented, ensuring a safe and efficient operation.
- Q: What is the use of an iron crucible?
- The crucible crucible is used refractory materials (such as clay, graphite, kaolin, quartz or difficult to molten metal such as iron) made of the vessel or melting tank. A bowl shaped container with a ceramic bottom.
- Q: Why graphite and diamond is composed of carbon graphite, but not light, is black, and the diamond is urgently in light!
- Although they are all carbon, the arrangement of the carbon atoms is different, so different structures lead to different physical properties
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Graphite Crucible Near Me for Gold Melting Aluminium and Copper, Brass - SIC Graphite Crucibles
- 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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