Ceramic Vs Graphite Crucible - Refractory Crucibles SiC Crucible for Melting Copper/Brass/Aluminum
- 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 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:The graphite boat loading and loading real real graphite boat is what?
- The graphite boat used for solar energy industry and real loading: PECVD carrying vehicles, loaded from silicon, preparation of middle and high efficiency filter, ensure that blows air purifying requirements.
- Q:Are graphite crucibles suitable for use in a vacuum environment?
- Graphite crucibles are indeed appropriate for utilization in a vacuum setting. Graphite, being an exceptionally stable substance, has the ability to endure elevated temperatures and corrosive surroundings. Consequently, it is extensively favored in various industrial applications, including those within vacuum environments. Notably, graphite crucibles possess outstanding thermal conductivity and resistance to thermal shock, both of which are crucial attributes for upholding temperature stability in a vacuum. Moreover, graphite exhibits low outgassing properties, signifying that it releases negligible amounts of gas or vapor when subjected to a vacuum. This further enhances its suitability for employment in such environments. All in all, graphite crucibles emerge as a dependable and efficient alternative for conducting experiments or processes in vacuum conditions.
- Q:Can a graphite crucible be used for ceramic molding?
- No, a graphite crucible is not suitable for ceramic molding as it is primarily used for melting and casting metals due to its high melting point and heat resistance. Ceramic molding requires materials that can withstand high temperatures and provide proper insulation, such as refractory crucibles made from materials like alumina or silica.
- Q:Aluminum crucibles can be used to heating soda?
- You're talking about an aluminum oxide crucible. I think so. Why would there be an aluminum crucible?.
- Q:How long can a graphite crucible last?
- The lifespan of a graphite crucible can vary depending on several factors such as usage, temperature, and handling. Generally, a well-maintained graphite crucible can last for several months to a few years, with regular inspections and proper care.
- Q:How to reduce the degree of oxidation of graphite when sintering at high temperature?
- Proper flux and refining time should be smooth, without damaging the oxide film on the melt surface and covering the graphite plate melt at the right time;
- Q:What are the different methods of measuring the temperature inside a graphite crucible?
- There exist several approaches for gauging the temperature inside a graphite crucible. 1. Thermocouples, extensively employed in various industrial settings, including within graphite crucibles, are composed of two distinct metal wires fused to form a junction. When a temperature discrepancy arises between the junction and the other end of the wires, a voltage is produced, which can be quantified to ascertain the temperature. Thermocouples are fairly uncomplicated, cost-effective, and deliver precise temperature readings. 2. Infrared (IR) Pyrometers rely on the concept of thermal radiation to gauge the temperature of an object without establishing 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 offer rapid temperature readings, making them suitable for instances where direct contact is unfeasible or undesirable. 3. Optical Pyrometers employ the principle of color temperature to determine the temperature of an object. These devices operate by comparing the color of the object being measured to a calibrated scale. By adjusting the scale until the colors correspond, the temperature can be deduced. Optical pyrometers are commonly used in high-temperature scenarios and yield precise temperature readings. 4. Radiation Thermometers, also referred to as non-contact infrared thermometers or infrared thermometers, ascertain the temperature by sensing the thermal radiation emitted by the graphite crucible. Typically, these devices employ a detector to transform the thermal radiation into an electrical signal, which is then processed to ascertain the temperature. Radiation thermometers are non-contact, swift, and provide accurate temperature measurements. 5. Contact Probes, such as thermocouple probes or resistance temperature detectors (RTDs), can be directly inserted into the graphite crucible to gauge its temperature. These probes are typically crafted from materials resistant to high temperatures and are connected to a temperature indicator or controller. Contact probes furnish direct temperature readings and are commonly utilized in situations necessitating continuous monitoring and control of temperature. Each of these methods possesses unique advantages and limitations. The choice of measurement technique hinges on factors such as temperature range, precision requirements, response time, and the specific attributes of the graphite crucible and its contents.
- 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:Can graphite crucibles be used for laboratory analysis?
- Laboratory analysis can utilize graphite crucibles. Laboratories frequently employ graphite due to its resistance to high temperatures and lack of chemical reactivity. Its advantageous properties make it particularly useful for carrying out processes that involve extreme heat, such as metal melting, as it can endure temperatures of up to 3000 degrees Celsius. Moreover, graphite crucibles possess exceptional thermal conductivity, ensuring a uniform distribution of heat during experiments. However, it is crucial to acknowledge that graphite crucibles may react with specific chemicals or elements under particular conditions, necessitating careful consideration of compatibility with the substances being analyzed. Additionally, the selection of crucible material should be based on the unique requirements of the analysis, as certain situations may demand alternative materials like porcelain, quartz, or platinum.
- Q:Can a graphite crucible be used for melting steel?
- No, a graphite crucible cannot be used for melting steel. Graphite has a relatively low melting point (around 3,600 degrees Fahrenheit or 2,000 degrees Celsius), while steel requires much higher temperatures to melt (around 2,500 degrees Fahrenheit or 1,370 degrees Celsius). Thus, using a graphite crucible would result in the crucible itself melting before achieving the desired temperature to melt the steel. For melting steel, a crucible made of materials with higher melting points, such as clay-graphite or silicon carbide, would be more suitable.
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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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