Graphite Crucible for Steel - Refractory SIC Crucible for Melting Copper
- Ref Price:
-
- 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% |
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.
5.Can I visit you?
Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.
- Q: How is a graphite crucible manufactured?
- The process of manufacturing a graphite crucible typically involves isostatic pressing. This technique encompasses placing graphite powder into a mold and subjecting it to high pressure from all directions. By doing so, the graphite particles become evenly compacted, resulting in a dense and uniform crucible. To begin the manufacturing process, the appropriate graphite material must be selected. Typically, high-quality graphite with a low ash content is chosen due to its exceptional thermal conductivity, resistance to high temperatures, and chemical stability. The graphite is then milled into a fine powder to ensure consistent particle size. The next step involves pouring the graphite powder into a flexible rubber mold, which is designed to withstand the high pressure applied during isostatic pressing. It is crucial to carefully seal the mold to prevent any leakage of graphite powder. The sealed mold is then placed inside a high-pressure vessel where hydraulic pressure is applied uniformly from all directions. This pressure compacts the graphite particles, eliminating any voids or porous areas. Moreover, the high pressure helps align the graphite particles, resulting in enhanced mechanical properties. Once the pressing process is complete, the mold is removed, leaving behind a green crucible. This green crucible undergoes a baking process known as carbonization. During carbonization, the crucible is exposed to temperatures of approximately 3000 degrees Celsius in an inert atmosphere. This procedure eliminates volatile materials and further strengthens the crucible. Following carbonization, the crucible undergoes a final machining process to achieve the desired dimensions and a smooth surface finish. This may involve precision grinding, turning, or milling to ensure the crucible meets the required specifications. In summary, the manufacturing of a graphite crucible involves isostatic pressing, which entails compacting graphite powder under high pressure. This process, combined with carbonization and machining, guarantees that the crucible possesses excellent thermal conductivity, resistance to high temperatures, and chemical stability.
- Q: Procedures for operating high temperature furnaces
- A, the graphite crucible is placed on the platform of the conveying cart, and the position is determined by using the spacing bar.B, pull out the stop lever, switch the car to IN, and then operate the UP - FORWARD - BACK - DOWN, the crucible into the furnace, and determine the delivery vehicle will arrive at the initial position.C, Mount graphite cover plate, tighten the graphite bolt, close the door
- Q: What are the two methods of atomization? What orders of magnitude can be measured?
- It is mainly used in conjunction with the vapor generation process (hydride generation, high temperature purification, high atomization efficiency). C optical system (monochromator) by the concave mirror, graphite furnace atomizer (graphite furnace atomizer), cathodic sputtering atomizer (cathode sputtering atomizer): in the high temperature adjustable sample utilization rate of 100% high sensitivity. A flame atomization, tin. The atomization program is divided into drying, resolving power and collecting power, and the D detection system consists of detector (photomultiplier tube). D. The tube type graphite furnace atomizer is the most commonly used: simple operation, optical system and detection system, atomization is one kind will be placed in the tube wall and the graphite platform; the magnitude of mL, the performance of selenium: the detection limit of 10-6~10-14 samples of low dosage, slit or dispersion components dispersion element as a prism or diffraction grating monochromator is the dispersion rate and good reproducibility of B graphite furnace atomizer, also called low temperature atomization method, mercury vapor generation and volatile compounds), will be measured directly from the solid surface elements into atomic vapor and germanium micro determination of trace carbon or graphite, sample hole the crucible system atomization with electric heating to a high temperature can be measured by 10-13g/ graphite furnace atomic absorption spectrometry.
- Q: Can graphite crucibles be used for semiconductor doping?
- No, graphite crucibles cannot be used for semiconductor doping because graphite can contaminate the semiconductor material, affecting its electronic properties.
- Q: Can a graphite crucible be used for alloying or mixing metals?
- Indeed, the utilization of a graphite crucible is viable for the purpose of alloying or mixing metals. Graphite crucibles are renowned for their elevated melting point and exceptional heat resistance, rendering them appropriate for a plethora of high-temperature applications, including the alloying and mixing of metals. The graphite material itself is unreactive and does not taint the metals being melted or mixed. Moreover, graphite crucibles possess commendable thermal conductivity, guaranteeing uniform heating and efficient amalgamation of the metals. Consequently, they are widely employed in various industries such as metal casting, jewelry crafting, and metallurgy, serving the purpose of alloying and mixing dissimilar metals to achieve desired properties or compositions.
- Q: Rotary kiln dust removal, zinc coated sand and Zinc Oxide Technology
- These are the skills of an enterprise, and nobody will say that.
- Q: Help: how can the graphite crucible be heated to 1000 degrees?
- No matter what heat is used, heat it to 1000 degrees. Just keep heating it. Graphite crucible can be used to contact outer ring refractory plant
- Q: How do you prevent graphite crucibles from reacting with the melted material?
- One effective way to prevent graphite crucibles from reacting with the melted material is by coating the crucible with a protective layer, such as a ceramic or refractory coating. This coating acts as a barrier between the crucible and the melted material, preventing any chemical reactions or contamination. Additionally, using a suitable crucible material with high purity graphite and low impurity levels can also help minimize any reactions.
- Q: Graphite grinding out of soy milk foam, how to foam?
- Don't skim it. Cook it over a little fire and you'll disappear!The soya bean milk machine is equipped with a strainer, and you can throw it away when you pour it out.Graphite graphite products - graphite processing - graphite crucible - Graphite tableware for you to answer.
- Q: Does the graphite pan need preheating?
- The graphite crucible has good thermal conductivity and high temperature resistance, and the thermal expansion coefficient is small in the process of high temperature use, and has a certain anti strain property for hot and cold quenching. The corrosion resistance of acid and alkaline solution is strong, and it has good chemical stability. In metallurgy, casting, machinery, chemical and other industrial sectors, it is widely used in smelting of alloy tool steel and smelting of nonferrous metals and their alloys. And has better technical and economic results.
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Graphite Crucible for Steel - Refractory SIC Crucible for Melting Copper
- 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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