High Purity Graphite Crucible for Melting Metals
- 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 do you determine the appropriate crucible diameter for a specific application?
- The appropriate crucible diameter for a specific application is typically determined by considering factors such as the desired sample size, the melting or reaction temperature, the thermal conductivity of the material being heated, and the available heating equipment. Additionally, the crucible should have sufficient room for the sample to expand during heating without overflowing. It is important to consult relevant literature, technical specifications, or seek expert advice to ensure the appropriate crucible diameter is selected for the specific application.
- Q: What are the different accessories available for graphite crucibles?
- There are various accessories available for graphite crucibles including tongs or holders for easy handling, covers or lids to protect the contents from contamination or loss of heat, and pouring shanks or spouts for controlled pouring of molten materials. Additionally, some crucibles may have additional features such as holes or notches for securing thermocouples or other temperature measurement devices.
- Q: Can graphite crucibles be used for alloy preparation?
- Yes, graphite crucibles can be used for alloy preparation. Graphite is a suitable material for crucibles due to its high melting point, excellent thermal conductivity, and chemical inertness. It can withstand high temperatures and is commonly used in metallurgical processes for smelting and alloying different metals.
- Q: How does the wall thickness of a graphite crucible affect the melting process?
- The wall thickness of a graphite crucible affects the melting process by influencing the rate of heat transfer. A thicker wall can retain heat for a longer period, resulting in slower melting times. Conversely, a thinner wall allows for faster heat transfer, leading to quicker melting. Additionally, the thickness can also impact the crucible's durability and resistance to thermal shock.
- Q: Electromagnetic induction heating device into the copper coil heater, to use more power consumption to reach the melting temperature of iron?
- 20kW if you're low, you need to do heat preservation
- Q: How does the gas permeability of graphite affect crucible performance?
- The gas permeability of graphite plays a crucial role in determining the performance of a crucible. Graphite is known for its excellent gas permeability, meaning it allows gases to pass through it easily. This property is advantageous in a crucible because it allows for the escape of gases that may be generated during high-temperature processes, such as melting or heat treatment. When a crucible is exposed to high temperatures, various chemical reactions may occur, leading to the production of gases such as carbon dioxide or carbon monoxide. If these gases are trapped within the crucible, they can create pressure build-up, causing the crucible to crack or even explode. However, with the gas permeability of graphite, these gases can escape through the crucible walls, preventing any potential damage. Moreover, the gas permeability of graphite also aids in the removal of impurities or volatile substances from the crucible. During certain processes, impurities or volatile materials may be present in the material being melted or treated. If these substances are not allowed to escape, they can contaminate the final product or affect the quality of the process. The gas permeability of graphite allows for the easy removal of these impurities, ensuring a cleaner and more efficient process. Overall, the gas permeability of graphite is essential for crucible performance as it enables the safe release of gases generated during high-temperature processes and facilitates the removal of impurities. By allowing gases to escape and preventing pressure build-up, graphite crucibles can maintain their structural integrity and durability. Additionally, the gas permeability of graphite promotes cleaner processes and ensures the quality of the final product.
- 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: Aluminum graphite crucible for iron crucible which is good
- The graphite crucible can be heated by coke, and now the graphite crucible is faster than the iron crucible and higher than the iron crucible. If it is graphite crucible used in electric furnace, some manufacturers use it for about one year.
- Q: What are the recommended storage conditions for graphite crucibles?
- To ensure optimal storage conditions for graphite crucibles, it is recommended to keep them in a cool, dry, and clean environment. It is important to store these crucibles in a space with controlled temperature, ensuring that it does not exceed 50 degrees Celsius (122 degrees Fahrenheit). It is crucial to avoid exposing them to extreme temperatures, as excessive heat may lead to oxidation or degradation of the graphite material. Moreover, it is essential to keep the crucibles away from any sources of moisture or humidity, as water can react with the graphite and compromise its structural integrity. To prevent contamination, it is advisable to store the graphite crucibles separately from other materials and make sure they are not in contact with any corrosive substances. Regularly cleaning and inspecting the crucibles before storing them can also aid in maintaining their quality and prolonging their lifespan.
- Q: Can a graphite crucible be used for melting americium?
- Using a graphite crucible for melting americium is not possible. Americium, being a radioactive element, possesses a low melting point and high reactivity. Graphite crucibles, on the other hand, are commonly employed for melting metals with higher melting points, which are non-reactive in nature. Melting americium necessitates the utilization of specialized equipment and crucibles manufactured from materials capable of withstanding its reactivity and potential radiation hazards.
Send your message to us
High Purity Graphite Crucible for Melting Metals
- 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
