Ceramic Vs Graphite Crucible - Refractory Crucibles SiC Crucible for Melting Copper/Brass/Aluminum
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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 Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
| 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 |
Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
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.
Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum
Physicochemical Properties
Type of Crucible | Type S | Type D |
Carbon Content/% | ≥38 | ≥45 |
Bulk Density/(g/cm3) | ≥1.70 | ≥1.85 |
Apparent Porosity/% | ≤29 | ≤21 |
Compression Strength/MPa | ≥20 | ≥25 |
Refractoriness/°C | ≥1400 | ≥1400 |
Type S: Clay graphite crucible
Type D: Isostatic pressing graphite crucible
Cited from CNS China National Standard of Graphite Crucible, which is solely drifted by TIANFU company.
Content Composition
C% | Sic% | AL2O3% | SIO2% |
45%-50% | 20%-30% | 10%-12% | 15-25% |
- Q: Can graphite crucibles be used with induction melting furnaces?
- Yes, graphite crucibles can be used with induction melting furnaces.
- Q: Can graphite crucibles be used for heat treatment processes?
- Yes, graphite crucibles can be used for heat treatment processes. Graphite has excellent thermal conductivity and high melting point, making it suitable for withstanding extremely high temperatures required for heat treatment. Additionally, graphite crucibles have good resistance to chemical corrosion, which is important when dealing with reactive or corrosive substances during heat treatment.
- 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: 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 a graphite crucible be used for melting non-metallic materials?
- Yes, a graphite crucible can be used for melting non-metallic materials. Graphite is a highly versatile material that can withstand high temperatures, making it suitable for melting various substances, including non-metallic materials. Graphite crucibles are commonly used in industries such as glass manufacturing, ceramics, and melting of precious stones. The high heat resistance of graphite allows it to endure the intense temperatures required for melting non-metallic materials, providing a reliable and efficient option for these applications.
- Q: Can a graphite crucible be used for aluminum casting?
- Yes, a graphite crucible can be used for aluminum casting. Graphite crucibles are commonly used in foundries and metal casting operations due to their high melting point, excellent thermal conductivity, and resistance to chemical reactions. Aluminum has a relatively low melting point (around 660°C or 1220°F), making it suitable for graphite crucibles, which can withstand temperatures up to 3000°C (5432°F). The graphite crucible also helps in facilitating the transfer of heat from the heat source to the aluminum, ensuring proper melting and casting of the metal. However, it is important to note that graphite crucibles may undergo wear and tear over time due to the corrosive nature of aluminum, so regular inspection and replacement may be necessary to maintain casting quality.
- Q: What's the pot in the lab that puts in the oven?
- The laboratory uses the possibility of a silicon carbide crucible, followed by clay and graphite crucibles, and the 2 are black or black gray. Corundum crucible for red meat or close to white. The inner surface of the cast iron crucible is rough, and the stainless steel crucible is smooth and metallic.
- Q: Can waste circuit boards be recycled?
- Silver is also one of precious metals. The recovery of silver from waste liquid is as follows:The waste liquid is adjusted by 20% sodium hydroxide, and the pH value is between 8-9. Then sodium sulfide solution is added to precipitate the silver sulfide;(1): +2Na+: 2Ag+Na2S==Ag2S(2) water washed silver sulfide precipitate to residual sulfide, filtered water, the silver sulfide in the crucible, heating to 800-900 DEG C for desulfurization, remove the cooling.(3) to 100 (weight) silver slag, add borax 10, sodium chloride 5 mix and then burning to crude silver crucible.
- Q: Does the graphite metal pad have any requirements on the sealing surface?
- Metal wound gasket:Metal wound gasket is a sealing gasket is used widely at present, in order to return to the best elastic gasket semi metallic gasket, by V or W shaped steel strips with various fillers alternately wound together, high temperature, high pressure and adapt to the use of ultra low temperature or under vacuum conditions, by changing the gasket combination of materials, can solve the problem of all kinds of chemical corrosion medium on the gasket, the structure density can according to different requirements to lock force production, in order to strengthen the body and accurate positioning, the gasket ring and the outer ring is provided with positioning reinforced metal, using internal and external steel ring to control the maximum compaction degree, the sealing surface precision requirement is not high the surface of the flange gasket contact.
- Q: What are the different methods of preventing graphite crucible breakage?
- To prevent the breakage of graphite crucibles, there are various methods that can be utilized: 1. Ensuring proper handling and storage is crucial. Careful handling and avoiding sudden or rough movements that could cause impact or stress on the crucible are effective ways to prevent breakage. Additionally, storing the crucibles in a secure location, away from potential hazards or sources of damage, is important. 2. Following controlled heating and cooling procedures is essential. Graphite crucibles are exposed to high temperatures during the melting process, so it is necessary to heat and cool them gradually and in a controlled manner. This approach helps minimize thermal shock and stress on the crucible, thereby reducing the risk of breakage. 3. Preheating the graphite crucible before use can also prevent breakage. This involves gradually heating the crucible to a specific temperature range before adding the molten material. Preheating minimizes the temperature difference between the crucible and the molten material, thus reducing the risk of thermal shock and potential breakage. 4. Applying protective coatings to the graphite crucible provides an additional layer of protection against breakage. Coatings like boron nitride or alumina improve thermal shock resistance and decrease the likelihood of crucible failure. 5. Regularly inspecting and maintaining the graphite crucible is crucial. Regular inspections for any signs of damage or wear, such as cracks, chips, or defects, are necessary to prevent breakage. Addressing these issues immediately can prevent further deterioration. Additionally, routine maintenance, including cleaning and removing build-up or impurities, can prolong the crucible's lifespan and prevent breakage. By implementing these methods, individuals or industries can significantly reduce the risk of graphite crucible breakage, ensuring their longevity and optimal performance in various high-temperature applications.
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Ceramic Vs Graphite Crucible - Refractory Crucibles SiC Crucible for Melting Copper/Brass/Aluminum
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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