Graphite Crucible for Steel - Refractory SIC Crucible for Melting Copper
- 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: Does the silicon carbide graphite Tong have a magnetic field in the intermediate frequency furnace?
- Efficiency --- reduce downtime and costSilicon carbide graphite crucible, silicon carbide particles ranging in content in the raw material inside the graphite crucible, such as the content is 50%, there are 24%, there are other different content, of course, can also be customized according to the different requirements of customers, not the same amount of silicon carbide containing graphite crucible.
- Q: How does a graphite crucible handle abrasion resistance?
- A graphite crucible has excellent abrasion resistance due to the unique properties of graphite.
- Q: How do you prevent graphite crucibles from cracking during cooling?
- To prevent graphite crucibles from cracking during cooling, it is important to follow these measures: 1. Gradual cooling: Avoid exposing the crucibles to abrupt temperature changes. Allow them to cool down slowly and naturally, as rapid cooling can cause thermal shock and lead to cracking. 2. Use insulating materials: Place the crucibles on an insulating pad or use insulating materials like ceramic fiber blankets or boards. These materials help to regulate temperature and reduce heat transfer, minimizing the risk of cracking. 3. Avoid direct contact with water: Graphite crucibles should not be directly exposed to water or other coolants immediately after use. Allow them to cool down at room temperature first, and then carefully clean them without sudden temperature changes. 4. Handle with care: When moving or handling hot crucibles, ensure proper support and use heat-resistant gloves or tongs. Sudden impacts or mishandling can cause stress and lead to cracking. 5. Preheat and anneal: Before initial use, it is recommended to preheat new crucibles gradually to remove any residual moisture. Similarly, annealing crucibles periodically at lower temperatures can relieve internal stress, reducing the chances of cracking during cooling. By following these precautions, one can minimize the risk of graphite crucible cracking and extend their lifespan.
- Q: Can graphite crucibles be used with gas-fired furnaces?
- Yes, graphite crucibles can be used with gas-fired furnaces. Graphite crucibles are known for their high heat resistance and ability to withstand extreme temperatures. This makes them suitable for use in gas-fired furnaces, which typically generate high temperatures required for various industrial applications such as melting metals, casting, and heat treatment. Graphite crucibles are commonly used in these furnaces due to their excellent thermal conductivity, low thermal expansion, and resistance to chemical corrosion. However, it is essential to ensure that the gas-fired furnace is compatible with graphite crucibles in terms of temperature range and design to avoid any potential damage or inefficiency.
- Q: How to improve the service life of graphite crucible
- From the product point of view:1., raw materials are chosen from natural graphite to ensure that the graphite is not easily oxidized;2. cold isostatic pressing process is adopted to ensure high density and strength of crucible;3., the crucible surface high temperature, low temperature protection glaze layer, isolated oxygen and graphite contact contact;From the production point of view:1., scientific warming, to prevent cold, hot;2. add proper and proper amount of refining agent;3. do not stop the furnace abnormally;
- Q: Are graphite crucibles suitable for melting magnetic materials?
- No, graphite crucibles are not suitable for melting magnetic materials as graphite is non-magnetic and will not interact with magnetic materials effectively.
- Q: Graphite used in graphite in the glass industry?
- Graphite used in the glass industry, some graphite crucible furnace, because graphite temperature resistance is good, but the graphite products must be anti oxidation treatment.
- Q: How do you prevent contamination from the graphite crucible during melting?
- To prevent contamination from the graphite crucible during melting, several measures can be taken. One approach is to ensure that the crucible is thoroughly cleaned and free from any impurities before use. Additionally, using high-quality graphite crucibles that are specifically designed for high-temperature applications can minimize the risk of contamination. It is also crucial to handle the crucible with clean and dry tools to avoid introducing foreign substances. Finally, maintaining a controlled and stable melting environment, such as using a protective atmosphere or vacuum, can further prevent contamination by preventing the reaction of the crucible with surrounding gases or materials.
- Q: Graphite and diamond are elemental elements made of carbon. Why are physical properties so different?
- Similarities and differences between diamond and graphite:graphiteGraphite and diamond are pure carbon, chemical formula of the two is C, a covalent bond, the molecular structure of graphite, their chemical properties are basically the same. But the diamond and graphite are not homogeneous material, they are allotropic body is composed of the same elements of carbon. Mainly because of their spatial structure is different, each atom between the graphite elemental form a planar structure, hexagonal flaky, a molecular bond between layer and layer, layer between sliding easily, so graphite is soft, dark gray, metallic luster, touch a greasy feeling and have a dark grey traces. Because the hexagonal structure is stable, so high temperature graphite, graphite can do high temperature lubricant. Therefore graphite has properties of high temperature resistance, good electrical conductivity, thermal conductivity, lubrication, plasticity and chemical stability.
- Q: Can I add a graphite furnace to the East and West aa-7002?
- Atomizer with different flame atomizer consists of three parts: atomizer, premixing chamber and burner. Features: easy operation and good reproducibility.
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Graphite Crucible for Steel - Refractory SIC Crucible for Melting Copper
- 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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