• SIC Carbide Graphite Clay Crucible Near Me System 1
  • SIC Carbide Graphite Clay Crucible Near Me System 2
  • SIC Carbide Graphite Clay Crucible Near Me System 3
SIC Carbide Graphite Clay Crucible Near Me

SIC Carbide Graphite Clay Crucible Near Me

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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

 

Sic Carbide Graphite Crucible

Sic Carbide Graphite Crucible

Other refractory materials for High temperature industry

Sic Carbide Graphite Crucible

Sic Carbide Graphite Crucible


Q:How does the oxidation resistance of graphite affect the performance of a crucible?
The oxidation resistance of graphite greatly affects the performance of a crucible. Graphite is known for its high resistance to oxidation, meaning it can withstand high temperatures without reacting with oxygen in the air. This property is crucial in a crucible because it ensures that the graphite material does not burn or deteriorate when exposed to intense heat. A crucible with excellent oxidation resistance will have a longer lifespan, maintain its structural integrity, and prevent contamination of the materials being heated or melted inside.
Q:Is pig iron smelted in a graphite crucible?
The iron obtained directly from ore smelting is called pig iron. As the iron ore, coke, limestone and so on are mixed together, the molten iron is in direct contact with coke, slag, etc., and carbon, sulfur and other elements in the coke will seep into the molten iron. At the same time, the chemical gas in the furnace gas will react with the iron, and the products will also be mixed into the molten iron. Therefore, the impurity content in pig iron is higher, and the main impurities are five basic elements, such as carbon, silicon, manganese, sulfur and phosphorus, as well as some non-metallic inclusions.
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.
Q:Are graphite crucibles suitable for vacuum induction melting?
Vacuum induction melting is well-suited for the use of graphite crucibles. This is because graphite is a stable and inert material, making it ideal for high temperature and vacuum environments. Graphite can withstand the extreme heat and pressure conditions required for vacuum induction melting. When it comes to thermal conductivity, graphite crucibles excel. They efficiently transfer heat to the metal being melted, ensuring uniform heating and melting. This results in consistent and reliable outcomes. Additionally, graphite crucibles are resistant to thermal shock, meaning they can handle rapid temperature changes without cracking or breaking. Moreover, graphite crucibles exhibit good chemical resistance, which is crucial when melting reactive metals or alloys. They can endure the corrosive effects of molten metals, preventing contamination and maintaining the purity of the material being melted. To summarize, graphite crucibles are highly suitable for vacuum induction melting due to their stability, resistance to high temperatures, thermal conductivity, resistance to thermal shock, and chemical resistance. These crucibles offer a dependable and efficient method of melting metals under vacuum conditions, making them the preferred choice in various industrial applications.
Q:How do you determine the appropriate crucible stirring mechanism for a specific application?
Determining the appropriate crucible stirring mechanism for a specific application involves considering several factors. Firstly, you need to understand the requirements of the application, such as the type of material being stirred, the desired mixing intensity, and any specific parameters that need to be maintained during the stirring process. Next, you should evaluate the available stirring mechanisms and their capabilities. There are various options, including magnetic stirrers, mechanical stirrers, and gas bubbling stirrers. Each mechanism has its own advantages and limitations, so it's important to assess how well they align with your application requirements. Consider the properties of the material being stirred. Some materials may be sensitive to mechanical stress or temperature changes, making them better suited for gentle magnetic stirring. Others may require more vigorous mixing, which can be achieved with mechanical or gas bubbling stirrers. Additionally, assess the compatibility of the stirring mechanism with the crucible material. Certain materials may react with specific stirring mechanisms, leading to contamination or degradation. Ensure that the chosen stirring mechanism is compatible with the crucible material to avoid any adverse effects. Moreover, consider the scalability and ease of use of the stirring mechanism. If the application requires a large-scale production or frequent stirring, choosing a mechanism that is easily scalable and user-friendly can be beneficial. Lastly, consult experts or conduct experiments to validate the suitability of the chosen stirring mechanism. This can involve performing small-scale trials or seeking advice from professionals familiar with the specific application or material being stirred. Overall, determining the appropriate crucible stirring mechanism requires careful consideration of the application requirements, material properties, compatibility, scalability, and expert advice.
Q:What are the different methods of preventing graphite crucible deformation?
To prevent graphite crucible deformation, several techniques can be employed. These techniques aim to preserve the crucible's structural integrity and ensure its longevity. 1. Careful Handling and Usage: The primary method involves handling the graphite crucible with caution and avoiding unnecessary mechanical stress. This entails refraining from abrupt temperature changes, impacts, or dropping the crucible, and using suitable tools for manipulation. 2. Gradual and Even Preheating: It is advisable to gradually and uniformly preheat the crucible before subjecting it to extreme temperatures. This helps minimize thermal shock and prevents deformation caused by rapid expansion or contraction. 3. Thoughtful Material Selection: Selecting the appropriate graphite material for the crucible is crucial. Opting for high-quality graphite with suitable thermal and mechanical properties, considering the specific application requirements, ensures that the crucible can withstand the intended operating conditions without deforming. 4. Reinforcement: In certain scenarios, reinforcing the crucible can be advantageous. This can be achieved by applying a protective coating or lining on the inner surface of the crucible, which enhances its strength and resistance to deformation. 5. Effective Cooling Techniques: Implementing proper cooling techniques after use can also aid in preventing crucible deformation. Gradually and controlledly cooling the crucible helps alleviate stress and minimizes the risk of deformation. 6. Regular Maintenance: Regular inspections should be conducted to identify any signs of wear or damage on the crucible. Promptly addressing cracks, chips, or deformations prevents further deterioration. Regular cleaning and appropriate storage also contribute to maintaining the crucible's structural integrity. By implementing these techniques, the risk of graphite crucible deformation can be minimized, resulting in improved performance, increased lifespan, and reduced costs associated with replacement or repairs.
Q:How do you prevent graphite crucibles from cracking during cooling?
To prevent graphite crucibles from cracking during cooling, there are several measures that can be taken: 1. Gradual cooling: Graphite crucibles should be cooled slowly and gradually to prevent thermal shock. Rapid cooling can cause stress and lead to cracks. The crucible can be placed in a designated cooling area or inside an oven with controlled cooling rates. 2. Thermal insulation: Using thermal insulation materials such as ceramic fibers or refractory bricks can help regulate the cooling rate and minimize temperature gradients. These materials act as a buffer, preventing sudden temperature changes that can cause cracking. 3. Preheating and annealing: Before using a new graphite crucible, it is recommended to preheat it gradually to eliminate any moisture or volatile impurities. Additionally, annealing the crucible at a low temperature can help relieve internal stress and improve its resistance to cracking during subsequent usage. 4. Avoid direct contact with water: Graphite crucibles should not be exposed to direct contact with water or other coolants immediately after use or during the cooling process. Water can cause rapid cooling and thermal shock, leading to cracks. Instead, it is advisable to let the crucible cool naturally in a dry environment. 5. Proper handling and storage: Careful handling of graphite crucibles is crucial to prevent accidental impacts or drops that can cause cracks. When not in use, the crucibles should be stored in a dry and temperature-controlled environment to avoid exposure to excessive moisture or extreme temperature changes that could compromise their structural integrity. By following these preventive measures, the risk of cracking during cooling can be significantly reduced, ensuring the longevity and reliability of graphite crucibles.
Q:Can graphite crucibles be used for heat treatment processes?
Graphite crucibles are capable of being utilized in heat treatment procedures. Graphite possesses a high melting point and exceptional thermal conductivity, rendering it an optimal material for applications necessitating elevated temperatures and efficient heat transfer. Heat treatment processes entail the elevation of materials to specific temperatures in order to modify their physical or chemical properties. Graphite crucibles can endure these elevated temperatures without undergoing melting or deformation, guaranteeing the stability and integrity of the heat treatment procedure. Moreover, graphite's minimal reactivity with most substances renders it suitable for a broad range of heat treatment applications, encompassing annealing, tempering, quenching, and carburizing. In general, graphite crucibles prove to be a favored choice for heat treatment processes due to their resistance to high temperatures, thermal conductivity, and chemical inertness.
Q:Can graphite crucibles be used for jewelry making?
Certainly, jewelry making can make use of graphite crucibles. Graphite crucibles possess a remarkable melting point, rendering them perfect for the melting and casting of valuable metals like gold, silver, and platinum. Furthermore, they exhibit exceptional resistance to thermal shock and possess commendable thermal conductivity, which promotes efficient and uniform heat dispersion. In addition, graphite crucibles show chemical inertness, ensuring that they do not react with molten metals and thus do not taint the jewelry being produced. Consequently, they have become a favored selection among jewelers and artisans who necessitate a dependable and long-lasting crucible for their jewelry making procedures.
Q:How do you determine the appropriate crucible handle for a specific application?
Determining the appropriate crucible handle for a specific application involves considering several factors. Firstly, you need to assess the material being used in the crucible. Different materials have different properties, such as weight, melting point, and corrosiveness, which will impact the type of handle needed. Next, you need to evaluate the size and weight of the crucible. Larger crucibles with heavier loads may require sturdier handles that can support the weight without compromising safety. The handle should be able to provide a secure grip to prevent accidental dropping or spillage. Another important consideration is the temperature at which the crucible will be used. High-temperature applications require handles that are heat-resistant and can withstand the extreme temperatures without transferring heat to the operator's hands. Handles made of heat-resistant materials like ceramic or specialized alloys can be suitable for such applications. The ergonomics and comfort of the handle should also be taken into account. A handle that allows for a comfortable grip and easy maneuverability can enhance the user's experience and reduce the risk of accidents or injuries. Lastly, it is crucial to follow any specific guidelines or regulations provided by the manufacturer or industry standards. Some applications may have specific requirements for handle materials, designs, or attachment methods to ensure optimal safety and performance. By considering these factors and conducting thorough research, you can determine the appropriate crucible handle that meets the requirements of your specific application, ensuring safe and efficient use of the crucible.

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