SiC Graphite Crucibles For Gold Melting Aluminium And Copper, Brass
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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.
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- Q:Can graphite crucibles be used for semiconductor doping?
- Yes, graphite crucibles can be used for semiconductor doping. Graphite crucibles are commonly used in the semiconductor industry due to their unique properties. They have high thermal conductivity, chemical inertness, and can withstand high temperatures, making them suitable for various semiconductor manufacturing processes, including doping. During the doping process, impurity atoms are introduced into the semiconductor material to modify its electrical properties. Graphite crucibles can be used to hold the dopant material and the semiconductor wafer during the doping process. The crucible provides a stable and controlled environment for the diffusion of dopant atoms into the semiconductor material. Graphite crucibles also offer good thermal stability, which is crucial during the doping process as it involves heating the wafer to high temperatures. The crucible helps in maintaining a consistent temperature throughout the process, ensuring uniform doping across the semiconductor wafer. Furthermore, graphite crucibles are chemically inert, meaning they do not react with the dopant material or the semiconductor material. This is important to prevent any contamination or unwanted reactions that could affect the doping process or the quality of the semiconductor material. In conclusion, graphite crucibles are commonly used for semiconductor doping due to their high thermal conductivity, chemical inertness, and ability to withstand high temperatures. They provide a stable and controlled environment for the doping process, ensuring uniform doping across the semiconductor wafer.
- Q:The use of earthy graphite?
- Wear resistant materials: graphite is often used as a lubricant in the mechanical industry. Lubricants can not be used in high speed, high temperature, high pressure conditions, and graphite wear-resistant materials can be at 200~2000 degrees Celsius temperature in a high sliding speed, without lubricating oil work. Many devices for conveying corrosive media are made of graphite materials, piston cups, seals and bearings. They do not need to be lubricated when running. Graphite is many metal processing (drawing, drawing) the good lubricant.
- Q:Can a graphite crucible be used for melting food-grade substances?
- No, a graphite crucible should not be used for melting food-grade substances as graphite can react with the food and contaminate it. It is important to use food-grade materials specifically designed for heating and melting food substances.
- Q:What are the different methods of preheating a graphite crucible?
- There are several methods of preheating a graphite crucible, depending on the specific requirements and equipment available. Here are some common methods: 1. Induction Heating: This method uses an induction coil to generate an electromagnetic field that quickly heats the graphite crucible. Induction heating is known for its efficiency and rapid heating capabilities. 2. Resistance Heating: In resistance heating, an electric current is passed through the graphite crucible, which generates heat due to the resistance encountered by the crucible material. This method requires the use of specialized resistance heating elements or heating wires. 3. Gas Flame Heating: Gas flame heating involves placing the graphite crucible over a gas burner or torch. The heat from the flame gradually raises the temperature of the crucible. This method is commonly used in smaller-scale applications or in situations where electricity is not readily available. 4. Electric Furnace Heating: Electric furnaces are designed specifically for heating crucibles. The crucible is placed inside the electric furnace, which generates heat through resistance heating elements. Electric furnace heating provides controlled and uniform heating, making it suitable for precise temperature requirements. 5. Microwave Heating: In certain cases, microwaves can be used to preheat graphite crucibles. This method uses microwave radiation to generate heat within the crucible. However, it requires specialized equipment that can handle high temperatures and is not as commonly used as other methods. It is important to note that the choice of preheating method depends on factors such as the size of the crucible, the desired heating rate, and the availability of specific equipment. Proper preheating ensures that the graphite crucible is at the required temperature before it is used for various applications such as melting metals, chemical reactions, or thermal analysis.
- Q:Procedures for operating high temperature furnaces
- A, turn on the main power switchB, fill the furnace with argon to atmospheric pressure, open the front door of the furnace and remove the graphite cover plateC, drive the truck switch to OUTD clean the furnace wall, graphite and insulation material
- Q:Can a graphite crucible be used with induction heating?
- Induction heating is capable of utilizing graphite crucibles. Graphite, possessing excellent electrical conductivity and high thermal conductivity, is well-suited for induction heating. The process involves the generation of electrical currents within the crucible through an electromagnetic field, consequently producing heat due to material resistance. Graphite crucibles are capable of enduring high temperatures, making them commonly applied in various high-temperature processes, including the melting of metals and alloys. However, it is crucial to consider the design and composition of the graphite crucible to guarantee compatibility with the specific application requirements and the induction heating system.
- Q:Can graphite crucibles be used for powder coating?
- No, graphite crucibles cannot be used for powder coating. Powder coating involves the application of a dry powder onto a surface, typically through electrostatic attraction. Graphite crucibles are heat-resistant containers used for melting metals and other high-temperature applications, but they are not suitable for powder coating processes. Powder coating requires specific equipment, such as spray guns or electrostatic powder coating systems, to evenly and effectively apply the powder onto the surface. Using graphite crucibles for powder coating would not provide the desired results and could potentially damage the crucible and compromise the powder coating process.
- Q:Can a graphite crucible be used for melting californium?
- Using a graphite crucible to melt californium is not possible. This is because californium is an extremely reactive and radioactive element, necessitating specialized equipment for its handling and melting. While graphite crucibles are commonly utilized for melting and casting various metals and alloys due to their high melting point and heat resistance, californium possesses distinct properties and chemical behavior. Consequently, a crucible composed of a material capable of withstanding its intense levels of radioactivity and reactivity is required for californium handling.
- Q:Can graphite crucibles be used for eutectic growth?
- Yes, graphite crucibles can be used for eutectic growth. Eutectic growth refers to the process of solidification of a eutectic alloy, which is a mixture of two or more metals or elements that have a specific composition and temperature at which they solidify together. Graphite crucibles are commonly used in high-temperature applications and have excellent thermal conductivity and resistance to chemical reactions. These properties make them suitable for holding and heating eutectic alloys to the required temperature for controlled solidification. Additionally, graphite crucibles have good thermal stability, allowing them to withstand the thermal cycling involved in the eutectic growth process. Therefore, graphite crucibles are a popular choice for eutectic growth experiments or industrial applications that require the controlled solidification of eutectic alloys.
- Q:Can graphite crucibles be used for melting pharmaceutical compounds?
- Melting pharmaceutical compounds can be done using graphite crucibles. Graphite crucibles are well-known for their high melting point, making them suitable for high-temperature applications like melting metals, alloys, and certain chemicals. It is crucial to match the temperature range of the graphite crucible with the melting point of the specific compound being melted, as pharmaceutical compounds may have different melting points. Moreover, graphite crucibles have low reactivity and are chemically inert, minimizing the risk of contamination or chemical reactions during the melting process. Nevertheless, it is vital to consider the specific requirements and properties of the pharmaceutical compound to ensure compatibility with the graphite crucible.
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SiC Graphite Crucibles For Gold Melting Aluminium And Copper, Brass
- 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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