High Purity Graphite Crucible for Melting Metals
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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
| 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 is a graphite crucible disposed of at the end of its life?
- A graphite crucible is typically disposed of by being recycled or sent to a specialized facility for proper disposal.
- 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: Are there different sizes available for graphite crucibles?
- Indeed, graphite crucibles are offered in various sizes to cater to diverse needs and applications. These crucibles come in a plethora of sizes, ranging from petite ones suitable for jewelry making or minor laboratory experiments to more substantial ones used for industrial purposes such as metal casting or melting. The necessary size of the crucible is contingent upon the quantity of material to be melted or processed, as well as the unique demands of the application at hand. Consequently, an array of sizes is made available to satisfy distinct requirements and guarantee the optimal and proficient utilization of graphite crucibles.
- Q: What are the different methods of preventing cracks in a graphite crucible?
- There are several methods that can be employed to prevent cracks in a graphite crucible. 1. Preheating: Preheating the graphite crucible before use can help prevent cracks. This is done by gradually heating the crucible to the desired operating temperature, allowing the graphite to expand uniformly and reduce the likelihood of thermal shock. 2. Gradual cooling: After use, it is important to cool the crucible gradually. Sudden temperature changes can cause thermal stress and lead to cracks. Allowing the crucible to cool down slowly can help minimize this risk. 3. Avoiding rapid temperature changes: Graphite crucibles should be used in a controlled manner, avoiding sudden temperature changes. Rapid heating or cooling can cause thermal shock and lead to cracking. It is essential to maintain a consistent temperature during heating and cooling processes. 4. Proper handling: Handling the crucible carefully is crucial in preventing cracks. Avoid dropping or banging the crucible against hard surfaces, as this can cause physical damage and weaken the graphite structure. 5. Using protective coatings: Applying a protective coating to the inner surface of the crucible can provide an additional layer of insulation and prevent direct contact between the molten material and the graphite. This can help reduce chemical reactions and thermal stress, reducing the risk of cracks. 6. Regular maintenance and inspection: Regularly inspecting the crucible for any signs of wear, damage, or cracks is essential. Identifying any potential issues early on can help prevent further damage and ensure the crucible's longevity. By implementing these methods, one can minimize the risk of cracks in a graphite crucible and ensure its durability and effectiveness in various high-temperature applications.
- Q: Are graphite crucibles suitable for melting alloys with low melting points?
- Yes, graphite crucibles are suitable for melting alloys with low melting points. Graphite has a high melting point, excellent thermal conductivity, and is chemically inert, making it an ideal material for use in high-temperature applications such as melting metals and alloys. Graphite crucibles can withstand the high temperatures required to melt alloys with low melting points without cracking or deforming. Additionally, graphite crucibles have good heat retention properties, allowing for efficient and uniform heating of the alloy. Therefore, graphite crucibles are commonly used in industries such as metallurgy and foundries for melting alloys with low melting points.
- Q: How do you ensure proper sealing of a graphite crucible?
- To ensure proper sealing of a graphite crucible, there are a few key steps that can be followed: 1. Clean the crucible: Before sealing the graphite crucible, it is crucial to ensure that it is clean and free from any debris, dust, or residues. This can be done by gently brushing the interior and exterior surfaces of the crucible with a soft brush or cloth. 2. Inspect for any cracks or damage: Carefully examine the crucible for any cracks, chips, or other types of damage. Even minor imperfections can affect the sealing process and compromise the integrity of the crucible. If any damage is found, it is advisable to replace the crucible with a new one. 3. Apply a suitable sealing material: Various sealing materials can be used to ensure proper sealing of the graphite crucible. One commonly used material is a high-temperature adhesive or cement specifically designed for crucible sealing. Apply the sealing material evenly along the edges of the crucible lid or cover. 4. Secure the lid or cover tightly: Once the sealing material is applied, carefully place the lid or cover onto the crucible. Make sure it is properly aligned and fits snugly. Apply gentle pressure to secure the lid in place. 5. Cure or dry the sealing material: Depending on the type of sealing material used, it may require a curing or drying process. Follow the manufacturer's instructions for the specific material being used. This step is crucial to ensure that the sealing material forms a strong and durable bond. 6. Heat the crucible gradually: To further enhance the sealing process, it is recommended to heat the crucible gradually. This can be done by placing the crucible in an oven or furnace and gradually increasing the temperature. Heating the crucible helps to activate the sealing material and create a tighter seal. 7. Cool the crucible slowly: After the sealing material has been activated, allow the crucible to cool down slowly. Rapid cooling can cause thermal stress and potentially lead to cracks or other damages. Once the crucible has reached room temperature, it is ready for use. By following these steps, one can ensure the proper sealing of a graphite crucible, which is essential for various high-temperature applications such as melting metals, conducting experiments, or performing chemical reactions.
- Q: Application of graphite in glass production
- Graphite is one of the softest minerals, and its uses include the manufacture of pencil cores and lubricants. Carbon is a nonmetallic element, located in the second cycle IVA of the periodic table of elements.
- Q: Can waste circuit boards be recycled?
- When the filtrate is concentrated to silver nitrate, the crystallization of silver nitrate is transferred and filtered, and all the silver nitrate crystals are precipitated and absorbed. Finally, the silver nitrate is put into the dryer and dried to be used. If the purity of the silver nitrate is not high, multiple crystallization can be used to increase purity.
- Q: What is the conductivity of graphite and the conductivity of graphite?
- The conductivity and thermal conductivity are different for different grades of materials.
- Q: The difference between atomic absorption pyrolytic graphite tube and common graphite tube
- Atomizer with different flame atomizer consists of three parts: atomizer, premixing chamber and burner. Features: easy operation and good reproducibility. Graphite furnace atomic device is a type of system will be placed in the pipe wall, graphite platform, carbon sample holes or graphite crucible with electric heating to a high temperature to achieve atomization. Tubular graphite furnace is the most commonly used atomization device. The atomization program is divided into drying, ashing, atomization and high temperature purification. The atomization efficiency is high: under the adjustable high temperature, the sample utilization rate is 100%. High sensitivity: the detection limit is 10-6~10-14. Small amount of sample: suitable for determination of refractory elements.
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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
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