High-Quality Graphite Crucible for Sale - SIC Melting Metal Crucible
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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
Other refractory materials for High temperature industry
- Q: Can graphite crucibles be used for metal casting?
- Metal casting can indeed utilize graphite crucibles. Due to their elevated melting point and exceptional thermal conductivity, graphite is frequently employed as a crucible material in metal casting. It is especially well-suited for casting non-ferrous metals like gold, silver, copper, and aluminum. Graphite crucibles are capable of enduring high temperatures without experiencing cracking or deformation, making them ideal for melting and pouring molten metal. Moreover, graphite exhibits low chemical reactivity, preventing any adverse reactions with the metal being cast. This characteristic ensures the preservation of purity and quality in the final cast metal. However, it should be noted that graphite crucibles may not be suitable for casting certain metals with high melting points, such as steel, as they may not withstand the extreme temperatures required for melting these metals. In such instances, alternative materials such as clay or ceramic crucibles may prove more appropriate.
- Q: Can a graphite crucible be used for melting food-grade substances?
- No, a graphite crucible should not be used for melting food-grade substances as graphite can react with the food and contaminate it. It is important to use food-grade materials specifically designed for heating and melting food substances.
- Q: To sum up the different uses (and causes) of various crucibles in ChemistryQuartz glass crucibles, for examplealumina crucibleGlass crucibles, iron crucibles, and the like are different and should be noted
- Molten material with acid as flux (such as K2S, 207, etc.)Porcelain crucible: 1., heat resistance of about 1200 degrees2. suitable for K2S207 and other acidic substances melting samples3. generally can not be used for Na0H, Na202, Na2CO3 and other alkaline substances for melting flux, so as not to corrode the porcelain crucible. Porcelain crucible can not be contacted with hydrofluoric acid4. porcelain crucible can be diluted HCl boiling cleaningIron Crucible: iron does not react with sodium hydroxide, iron crucible can melt caustic soda, and iron crucible is used at 400 degrees or more. It is not economical, even if it is not melted, it also oxidizes rapidlyGraphite crucible: universal type graphite crucible and graphite crucible shaped and high pure graphite crucible three. Graphite crucible of various types, due to performance, and the use of different conditions, the raw material used, production method, technology and product specifications are different. Shi Mogan Guo is the main raw material, is the crystallization of natural shape it is graphite. It maintains the physicochemical properties of all kinds of natural right. That is: the original ink has good thermal conductivity and high temperature resistance, high temperature in use process, small thermal expansion coefficient, thermal quenching of, has a certain anti strain properties. The acid alkali solution, the corrosion resistance is strong, excellent chemical stability. The graphite crucible, because has more excellent performance, so in casting, metallurgy, machinery, chemical and other industrial sectors, is widely used for smelting alloy tool steel and non-ferrous metal and alloy smelting and has good. Technical and economic results
- Q: Can a graphite crucible be used for melting californium?
- No, a graphite crucible cannot be used for melting californium. Californium is a highly reactive and radioactive element, and it requires specialized equipment to handle and melt. Graphite crucibles are commonly used for melting and casting a variety of metals and alloys due to their high melting point and resistance to heat. However, californium has different properties and chemical behavior compared to metals, and it requires a crucible made from a material that can withstand its high levels of radioactivity and reactivity.
- Q: The use of earthy graphite?
- As refractory material: graphite and its products have the properties of high temperature resistance and high strength. They are mainly used in the metallurgical industry to make graphite crucibles. In the process of steelmaking, graphite is often used as a protective agent for steel ingots and lining of metallurgical furnaces.
- Q: How does the oxidation resistance of graphite affect the performance of a crucible?
- The oxidation resistance of graphite plays a crucial role in determining the performance of a crucible. Graphite is a commonly used material for crucibles due to its high melting point, thermal conductivity, and chemical inertness. However, graphite is susceptible to oxidation at high temperatures, which can significantly impact the performance of a crucible. Oxidation occurs when oxygen reacts with the carbon atoms in graphite, forming carbon dioxide (CO2) or carbon monoxide (CO) gas. This process leads to the degradation of the graphite structure, causing it to lose its desirable properties. As a result, the crucible may become weak, brittle, and develop cracks or holes, compromising its ability to contain and withstand high temperatures and corrosive environments. The oxidation resistance of graphite is therefore crucial in maintaining the integrity and longevity of a crucible. Graphite materials with higher oxidation resistance can withstand exposure to oxygen at elevated temperatures without significant degradation. They can resist the formation of CO2 or CO gas and retain their structural integrity, ensuring the crucible remains intact and capable of withstanding repeated heating and cooling cycles. A crucible with good oxidation resistance will have a longer lifespan, as it can endure high-temperature applications without significant wear or damage. It will also maintain its thermal conductivity, which is essential for efficient heat transfer and uniform temperature distribution during processes such as melting, casting, or chemical reactions. Furthermore, the oxidation resistance of graphite in a crucible affects the purity of the substances being processed. Oxidation can lead to the formation of impurities, such as carbon dioxide or carbon monoxide, which can contaminate the materials being held in the crucible. This can be particularly problematic in industries such as metallurgy or semiconductor manufacturing, where high purity is essential for the quality of the final product. In conclusion, the oxidation resistance of graphite greatly influences the performance of a crucible. A crucible made from graphite with high oxidation resistance will have a longer lifespan, maintain its structural integrity, and ensure the purity of the materials being processed. Thus, careful consideration of the oxidation resistance when selecting a crucible material is essential for optimal performance and cost-effectiveness in various industrial applications.
- Q: Are there any safety precautions to take when using a graphite crucible?
- Yes, there are several safety precautions to take when using a graphite crucible. Firstly, it is important to always wear proper personal protective equipment (PPE) such as heat-resistant gloves, safety goggles, and a lab coat to protect against heat and potential splashes. Additionally, one should ensure that the crucible is not cracked or damaged before use, as this may lead to thermal shock and breakage during heating. When handling or transporting a hot crucible, using appropriate tongs or tools is crucial to avoid burns or accidents. It is also important to be aware of the proper temperature range for the crucible and avoid exceeding its maximum temperature limit, as this can cause it to degrade or break. Finally, always allow the crucible to cool down sufficiently before handling it after use to prevent burns.
- Q: Can graphite crucibles be used for material synthesis?
- Yes, graphite crucibles can be used for material synthesis. Graphite has excellent thermal conductivity, chemical resistance, and high temperature resistance, making it suitable for various material synthesis processes such as melting, calcination, and fusion. Additionally, graphite crucibles can withstand rapid temperature changes and are inert, making them ideal for use in the synthesis of different materials.
- Q: Can the medium frequency furnace be made of silicon carbide crucible?
- With a graphite crucible or a tungsten crucible and tantalum crucible, these crucibles can be heated by sensing themselves, but the graphite may contaminate your glass melt, while the tungsten crucible and tantalum crucible are too expensive.
- Q: What is the conductivity of graphite and the conductivity of graphite?
- The conductivity and thermal conductivity are different for different grades of materials.
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High-Quality Graphite Crucible for Sale - SIC Melting Metal Crucible
- 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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