SIC Graphite Crucible 2024 - Graphite Crucible Ebay
- 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
You Might Also Like
Quick Details
| Application: | melting metals | Height: | depends on your requirement | Top Diameter: | 10-1200mm |
| Bottom Diameter: | 10-1200mm | Place of Origin: | China (Mainland) | Brand Name: | |
| product name: | SiC graphite crucible china graphite crucible | top diameter: | 10-1200mm | bottom diameter: | 10-1200mm |
| height: | depends on your requirement | application: | melting gold,silver and other metals | Specific resistance: | ≤14μΩ.m |
| Bending strength: | ≥25MPa | Compressive strength: | ≥50MPa | Bulk densit: | ≥1.68g/cm3 |
| Ash content: | ≤0.15% |
Packaging & Delivery
| Packaging Details: | woden case for SiC graphite crucible china graphite crucible |
| Delivery Detail: | within 20 days |
Introduction
1. Graphite crucible can be used for non-ferrous metal smelting and casting, dissolving gold
or silver ornaments, analysis of special type steel, sintering hard metal.
2. graphite crucible for smelting gold is specialized in melting gold in headgear and jewelryindustry. That requests graphite material has high density and purity, ablation-resistance, and it can be used many times. We can machine various crucibles accordingto customer's requirement.
3. Machined from high pure graphite and widely used in the gold,silver,platinum and other noble metal's melting.If it's used in oxygen atmosphere,it wil start to be oxygenized when the temperature is higher than 700-800°c. If it's used in the protective atmosphere, it can stand more than 2000°c.
4. widely used in such fields as industrial furnaces, mono-crystalline silicon machinery, mono-crystalline silicon machinery, electron, semi-conductor, metallurgy, oil, chemistry, textile, electrical machinery, electrical equipment, electrical furnace, traffic, communication industry, medicine, etc.
Advantages
1.good thermal conductivity
2.High-temperature resistance
3. Small thermal expansion coefficient.
4.Strong corrosion resistance to acid and alkali liquid
5.Good chemical stability
Technology parameter
Item | Unit | High pure graphite | ||
baked twice | baked three time | baked four times | ||
impregnated once | impregnated twice | impregnated three times | ||
Grain size | mm | ≤325mesh | ≤325mesh | ≤325mesh |
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 |
We accept small orders,please inquiry us freely. | ||||
Item | Unit | Fine-grain Specialty Graphite model 1 | Fine-grain Specialty Graphite model model2 | ||
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 |
We are always avliable to service you! | |||||
Parts sizes of graphite crucible table
Product name | Dimensions(mm) | Weight(g) | |||
Φ1 | Φ2 | Φ3 | H | ||
1 kg graphite crucible | 58 | 47 | 35 | 88 | 160 |
2kg graphite crucible
| 65 | 58 | 44 | 110 | 240 |
2.5kg graphite crucible
| 65 | 58 | 44 | 126 | 300 |
3kg graphite crucible
| 85 | 75 | 60 | 105 | 390 |
4kg graphite crucible
| 85 | 75 | 60 | 130 | 500 |
4kg graphite crucible
| 85 | 75 | 60 | 136 | 500 |
5kg graphite crucible
| 100 | 89 | 69 | 130 | 700 |
5.5kg graphite crucible
| 105 | 90 | 70 | 156 | 800 |
6kg graphite crucible
| 110 | 97 | 79 | 174 | 970 |
We have all kinds of sizes graphite crucibles in stock,please feel free to contact us. | |||||
packaging & shipping
Packaging
1. For each type, we can send you the detailed high-resolution pictures since we have the sample in our hand.
2. For packaging, we have the professional packaging starff, pls. don't worry about the shipping.
Our service
1.Delivery time is 5~7 days for sample and 15 working days for bulk order;
2. Strong production capacity and strict quality control system;
3. Your inquiry and problems related to our products or prices will be replied in 24 hours;
4. Well-trained and experienced staffs to answer all your inquires;
5. After-sale tracking service for all of our clients;
6. OEM is available; small quantities, mixed bulk orders are also welcome;
7. Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8. Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST.
After-Sales Service
1.1year warranty for most of our products;
2.We will arrange delivery of the goods on time:
3.Within the warranty period, we will bear all the qulity problem of our produts;
4.Beyond the warranty period, we will despatch the replacement parts to help fix the products;
5.Without any problem, we will gain the feedbacks of our products to help improve better products.
FAQ
Q:How to get in touch with us?
A:You can clik "Contact Supplier" above, or click "Chat Now!". We provide 24-hour service!
Q: How can I get free samples?
A: Only carbon brush for power tools/automobiles/motorcycle----no more than 4 sets for each model is free of charge.
Q:How to order?
A:Quotation→Price comfirming→Sign a contract→Mass production→Delivery
Q:How to pay?
A:30% T/T deposit.→70% balance by T/T against B/L copy.
Q:How to get after-sales service?
A:You can contact with your appointed sales.
You can also get in touch with our Quality Assurance Department: zdatzddt.com
Company Information
- Q: How should CPP aluminium plating film be produced?. Is the vacuum aluminizing machine necessary? How much is the machine?. What material does CPP aluminum plating film need?.
- CPP film is aluminum barrier films by vacuum aluminum plating process will be a thin layer of aluminum atoms accumulated to CPP film formed on the casting quality, with metal luster bright, excellent gas and light resistance and good moisture, light, can use the advantages of replacing aluminum foil.
- Q: What are the different methods of preventing cracks in a graphite crucible?
- To prevent cracks in a graphite crucible, there are several effective methods that can be utilized: 1. Employing preheating: Prior to use, it is beneficial to preheat the graphite crucible. This can be achieved by gradually increasing the temperature to the desired operating level. This gradual heating allows for uniform expansion of the graphite, thus reducing the possibility of thermal shock and subsequent cracking. 2. Implementing gradual cooling: After use, it is crucial to cool the crucible in a gradual manner. Abrupt changes in temperature can result in thermal stress and ultimately lead to cracks. By allowing the crucible to cool slowly, the risk of such stress is minimized. 3. Avoiding sudden temperature fluctuations: It is imperative to utilize the graphite crucible in a controlled manner, avoiding rapid temperature changes. Swift heating or cooling can induce thermal shock and increase the likelihood of cracking. Thus, maintaining a consistent temperature during both the heating and cooling processes is of utmost importance. 4. Exercising proper handling techniques: The careful handling of the crucible is vital in the prevention of cracks. Any instances of dropping or forcefully impacting the crucible against hard surfaces should be avoided, as this can result in physical damage and weaken the graphite structure. 5. Applying protective coatings: An additional layer of insulation and prevention of direct contact between the molten material and the graphite can be achieved by employing a protective coating on the inner surface of the crucible. This coating serves to reduce chemical reactions and thermal stress, thereby diminishing the risk of cracks. 6. Engaging in regular maintenance and inspection: Consistently inspecting the crucible for any indications of wear, damage, or cracks is indispensable. Identifying potential issues at an early stage can prevent further harm and ensure the longevity of the crucible. Through the implementation of these methods, the risk of cracks in a graphite crucible can be minimized. This ensures the crucible's durability and effectiveness in various high-temperature applications.
- Q: How is a graphite crucible cleaned after use?
- A graphite crucible is typically cleaned after use by first removing any remaining contents, such as molten metal or other substances, by pouring or scraping it out. Then, it can be washed with water or a mild detergent to remove any residual impurities. After washing, it is important to thoroughly dry the crucible to prevent any moisture from causing damage during future uses. Additionally, a crucible may be further cleaned or conditioned using specialized cleaning agents or heat treatment methods, depending on the specific requirements and condition of the crucible.
- Q: How do you prevent graphite crucibles from reacting with the melted material?
- To prevent graphite crucibles from reacting with the melted material, there are several measures that can be taken: 1. Pre-treatment of the crucible: Before using the graphite crucible, it is recommended to pre-treat it by heating it in an inert atmosphere, such as argon or nitrogen. This process helps to create a protective layer on the surface of the crucible, preventing it from reacting with the melted material. 2. Use of a protective coating: Applying a protective coating on the inner surface of the crucible can help to prevent the chemical reaction between the graphite and the melted material. This coating can be made of materials like boron nitride, zirconium oxide, or alumina. 3. Selecting the appropriate crucible material: In some cases, using a different material for the crucible might be more suitable. For example, if the melted material is highly reactive with carbon or graphite, a crucible made of refractory metals such as tungsten or molybdenum may be used instead. 4. Controlling the atmosphere: The atmosphere in which the crucible and melted material are exposed can greatly affect the reaction between them. Using an inert or reducing atmosphere, such as argon or hydrogen, can help to minimize the reaction and ensure the stability of the crucible. 5. Avoiding excessive temperature: Exposing the crucible to excessively high temperatures can accelerate the reaction between the crucible material and the melted material. It is important to control the temperature within the recommended range to prevent such reactions. By implementing these preventive measures, the risk of graphite crucibles reacting with the melted material can be significantly reduced, ensuring the integrity of the crucible and the quality of the process or experiment.
- Q: How to extract pure silver from sundry Silver
- The reduction of silver: equal without rust and the silver chloride tightly alternately placed in the container and Diego. By adding 1% volume concentration of 16% hydrochloric acid, 8 - 12 hours after all. Silver is replaced, brown. Then rinse 3 to 4 times to no acid.
- Q: How do you determine the appropriate crucible pouring lip for a specific application?
- The appropriate crucible pouring lip for a specific application is usually determined by considering factors such as the desired pouring speed, the material being poured, the temperature, and the required precision. It is important to choose a lip design that allows for controlled and accurate pouring without spilling or splashing, while also considering the ease of handling and the size of the crucible.
- Q: How do you ensure proper sealing of a graphite crucible?
- To ensure proper sealing of a graphite crucible, it is important to follow these steps: 1. Clean the crucible: Thoroughly clean the graphite crucible using a brush or cloth to remove any debris or impurities that could affect the seal. 2. Inspect the crucible: Carefully examine the crucible for any cracks, chips, or other damages that could compromise the seal. If any defects are found, it is best to replace the crucible. 3. Apply a sealant: Use a suitable sealant, such as graphite powder or a high-temperature adhesive, to create a tight seal between the lid and the crucible. Apply the sealant evenly along the contact surface to ensure a proper bond. 4. Secure the lid: Place the lid on the crucible and make sure it aligns correctly. Apply gentle pressure to ensure a tight fit. If the crucible has clamps or screws, tighten them according to the manufacturer's instructions. 5. Preheat the crucible: Before using the crucible, it is essential to preheat it gradually to allow the sealant to cure properly. Follow the recommended preheating process provided by the crucible manufacturer. By following these steps, you can ensure the proper sealing of a graphite crucible, minimizing the risk of any leaks or contamination during its use.
- Q: Melting copper slag with a graphite crucible furnace can add any flux, in order to shorten the melting time and save fuel
- If you want to save fuel, it should be mainly due to the quality of the graphite crucible. The graphite content in the graphite crucible is higher
- Q: What are the advantages of using a graphite crucible over other materials?
- There are numerous benefits to utilizing a graphite crucible instead of alternative materials. To begin with, graphite possesses a high melting point, making it an ideal choice for containing and enduring high temperatures. This characteristic enables the crucible to be employed in a variety of applications, including metal casting, melting, and alloying processes. In addition, graphite exhibits exceptional thermal conductivity. Consequently, heat is evenly dispersed throughout the crucible, ensuring consistent and efficient melting or heating of the materials contained within. This attribute also diminishes the risk of thermal shock, which can cause harm to the crucible and result in contamination of the processed material. Furthermore, graphite crucibles showcase exceptional resistance to chemicals. They are highly impervious to corrosion and do not react with most metals or chemicals, guaranteeing the integrity of the processed material. This is particularly crucial in the field of metallurgy, where the crucible must endure exposure to various molten metals and alloys. Graphite crucibles also boast a lengthier lifespan when compared to alternative materials. They are remarkably durable and can endure repeated use and exposure to high temperatures without experiencing significant degradation. This extended lifespan reduces the necessity for frequent replacements, making them a cost-effective choice in the long term. Moreover, graphite crucibles are lightweight and easy to handle. This makes them convenient for usage in both industrial and laboratory settings, where frequent handling and transportation may be required. Lastly, graphite crucibles offer exceptional resistance to thermal shock. They can endure rapid temperature changes without cracking or breaking, ensuring the stability and safety of the processing environment. In conclusion, the advantages of employing a graphite crucible over alternative materials include a high melting point, excellent thermal conductivity, chemical resistance, extended lifespan, lightweight design, and resistance to thermal shock. These properties establish graphite crucibles as the preferred choice in various industries where high-temperature processing and chemical compatibility are essential.
- Q: Is it possible to achieve a controlled atmosphere inside a graphite crucible?
- Yes, it is possible to achieve a controlled atmosphere inside a graphite crucible. Graphite crucibles are often used in high-temperature applications such as metallurgy and chemical processes. They have excellent thermal conductivity and can withstand extreme temperatures. To create a controlled atmosphere, various methods can be employed, such as using gas purging techniques or introducing specific gases into the crucible to create the desired environment. The ability to achieve a controlled atmosphere depends on the design and sealing capabilities of the crucible, as well as the specific requirements of the process being carried out.
Send your message to us
SIC Graphite Crucible 2024 - Graphite Crucible Ebay
- 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
Similar products
Hot products
Hot Searches
Related keywords
