Graphite Crucible for Melting - SIC Graphite Crucible STA1550
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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: Are there any special precautions to be taken while using graphite crucibles?
- Yes, there are several special precautions that should be taken while using graphite crucibles. First, it is important to handle graphite crucibles with care as they are fragile and can break easily. Avoid dropping or mishandling them to prevent cracks or damage. Secondly, graphite crucibles should be stored in a clean and dry environment to prevent any contamination. Graphite is susceptible to absorbing impurities from the surroundings, which can affect its performance and durability. During use, it is crucial to avoid exposing graphite crucibles to rapid temperature changes. Sudden heating or cooling can cause thermal shock, leading to cracks or even breakage. To prevent this, it is recommended to gradually heat or cool the crucible within the recommended temperature range. Additionally, graphite crucibles should be properly seasoned or preheated before using them for the first time. This involves slowly heating the crucible to a specific temperature to remove any moisture or volatile substances that might be present. Failure to properly season the crucible can lead to cracking or premature failure during subsequent use. Furthermore, it is important to avoid overloading the crucible with excessive material. Graphite crucibles have specific capacity limits, and exceeding these limits can cause the crucible to fail or reduce its lifespan. Lastly, when handling molten materials or pouring them into the crucible, appropriate personal protective equipment should be worn. This includes heat-resistant gloves, face shields, and other protective clothing to prevent burns or injuries. By following these precautions, users can maximize the lifespan and performance of graphite crucibles while ensuring safe and effective use.
- Q: Are there any safety precautions to take when using a graphite crucible?
- There are various safety measures that need to be taken into account when utilizing a graphite crucible. To start with, it is crucial to handle the crucible with caution and avoid any instances of dropping or striking it against hard surfaces. Graphite crucibles are relatively delicate and can easily crack or break if handled improperly, which could result in harm or equipment damage. Moreover, it is imperative that graphite crucibles are stored in a dry and clean area in order to prevent contamination or chemical reactions. Moisture or impurities can cause the crucible to deteriorate or react with the heated materials, compromising its reliability and potentially causing accidents or failures. In addition, it is of utmost importance to utilize appropriate personal protective equipment (PPE) when working with a graphite crucible. This includes wearing heat-resistant gloves, goggles, and a lab coat or protective clothing to shield against heat and potential splashes or spills. When heating or cooling the crucible, it is advised to do so gradually in order to avoid thermal shock. Quick temperature changes can lead to the crucible cracking or breaking, posing possible danger or damage. Furthermore, it is essential to be mindful of the materials being utilized in the crucible. Certain substances may produce toxic fumes or hazardous reactions when heated in a graphite crucible, thus proper ventilation and knowledge of the materials' properties are crucial. Finally, after usage, it is vital to allow the crucible to completely cool down before handling or storing it. Attempting to handle a hot crucible can result in severe burns or injuries. By adhering to these safety precautions, the likelihood of accidents, injuries, or damage when utilizing a graphite crucible can be significantly diminished, ensuring a safe and efficient working environment.
- Q: Can graphite crucibles be used for electron beam melting processes?
- Yes, graphite crucibles can be used for electron beam melting processes. Graphite is a preferred material for high-temperature applications due to its excellent thermal conductivity and resistance to thermal shock. In electron beam melting, the crucible containing the material to be melted is subjected to an intense electron beam, and graphite crucibles can withstand the high temperatures and provide efficient heat transfer required for this process.
- Q: What are the advantages of a graphite furnace atomizer compared to a flame atomizer?
- Flame atomizer: it consists of three parts: sprayer, premixing chamber and burner. Features: easy operation and good reproducibility.
- Q: Can graphite crucibles be used for metal powder sintering?
- Yes, graphite crucibles can be used for metal powder sintering. Graphite crucibles are often preferred for sintering because they have excellent thermal conductivity and can withstand high temperatures. Additionally, graphite crucibles do not react with most metals, making them suitable for sintering various types of metal powders.
- Q: Can graphite crucibles be used for crystal growth?
- Yes, graphite crucibles can be used for crystal growth. Graphite has several properties that make it suitable for this purpose. First, graphite has a high melting point, which allows it to withstand the high temperatures required for crystal growth. Second, graphite has good thermal conductivity, which ensures uniform heat distribution during the growth process. Third, graphite is chemically inert, meaning it does not react with most substances, which is important for maintaining the purity of the crystal being grown. Additionally, graphite crucibles are often used in crystal growth techniques such as the Czochralski method, where a seed crystal is dipped into a molten solution and slowly withdrawn to grow a larger crystal. In summary, graphite crucibles are commonly used and well-suited for crystal growth due to their high melting point, good thermal conductivity, and chemical inertness.
- Q: Can graphite crucibles be used for metal casting?
- Yes, graphite crucibles can be used for metal casting. Graphite crucibles are known for their high melting point, excellent thermal conductivity, and resistance to chemical erosion, making them a suitable choice for melting and casting various metals such as gold, silver, copper, and aluminum. They are commonly used in foundries and laboratories for their durability and ability to withstand extreme temperatures.
- Q: How does the thermal stability of graphite affect the performance of a crucible?
- The thermal stability of graphite has a significant impact on the performance of a crucible. Graphite is known for its high melting point and excellent thermal conductivity, making it an ideal material for crucibles used in high-temperature applications. Crucibles are commonly used in industries such as metallurgy, foundries, and laboratories, where they are subjected to extreme temperatures. The thermal stability of graphite ensures that the crucible can withstand these high temperatures without deforming or melting. The high melting point of graphite, which is around 3,600 degrees Celsius, allows the crucible to retain its shape and structural integrity even when exposed to intense heat. This property is crucial as it prevents the crucible from warping or collapsing, which can result in uneven heating and loss of material. Furthermore, graphite's excellent thermal conductivity enables the crucible to distribute heat evenly throughout its surface. This is important as it ensures uniform heating of the materials contained within the crucible, preventing localized hotspots or uneven temperature gradients. In applications that require precise temperature control, such as in the production of alloys or in chemical reactions, this property is crucial for achieving accurate and consistent results. Additionally, the thermal stability of graphite also affects the crucible's resistance to thermal shock. Thermal shock occurs when there is a rapid and drastic change in temperature, leading to cracking or even breakage of the crucible. Graphite's high thermal stability allows it to withstand thermal shock without significant damage, ensuring the longevity and durability of the crucible. In summary, the thermal stability of graphite plays a vital role in the performance of a crucible. It allows the crucible to withstand high temperatures without deforming or melting, ensures uniform heat distribution, and enhances its resistance to thermal shock. These properties make graphite crucibles highly reliable and suitable for demanding applications requiring high-temperature stability and precise temperature control.
- Q: Why do laboratory crucibles use ceramics instead of glass?
- The ceramic crucible does not soften and can withstand alkaline material.
- Q: Can graphite crucibles be used for melting brass?
- Yes, graphite crucibles can be used for melting brass. Graphite crucibles are commonly used in foundries and metalworking industries due to their high melting point and excellent thermal conductivity. They can withstand the high temperatures required to melt brass, making them suitable for this purpose.
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Graphite Crucible for Melting - SIC Graphite Crucible STA1550
- 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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