• Sic Graphite Crucible for High Temperature System 1
  • Sic Graphite Crucible for High Temperature System 2
  • Sic Graphite Crucible for High Temperature System 3
Sic Graphite Crucible for High Temperature

Sic Graphite Crucible for High Temperature

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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 Graphite Crucible for High Temperature

Sic Graphite Crucible for High Temperature

Other refractory materials for High temperature industry

Sic Graphite Crucible for High Temperature

Sic Graphite Crucible for High Temperature



Q:The biggest problem with graphite crucibles must be to use in a vacuum or a reducing atmosphere
Reducing atmosphere is in such as crucible with coke and he is using a principle that because the air has been burning up!
Q:What are the different methods of monitoring the melting process in a graphite crucible?
There are various techniques available to monitor the melting process in a graphite crucible, which can offer valuable insights into the temperature, consistency, and progress of the process. 1. Visual Inspection: An uncomplicated method involves visually examining the melting process. This entails observing the color, consistency, and movement of the materials as they melt. For instance, if the materials transform into a liquid state and flow smoothly, it indicates that the melting process is proceeding as anticipated. 2. Thermocouples: Widely utilized for temperature measurement in industrial processes, thermocouples are employed for melting in graphite crucibles. These devices consist of two dissimilar metals joined together at one end. By measuring the voltage difference between the two ends, the temperature can be determined. Accurate temperature monitoring can be achieved by inserting thermocouples into or near the crucible. 3. Infrared Pyrometers: Non-contact temperature measurement devices known as infrared pyrometers utilize infrared radiation to determine an object's temperature. They can be utilized to monitor the temperature of the graphite crucible during the melting process without physical contact. Infrared pyrometers offer swift and precise temperature readings. 4. Optical Emission Spectroscopy (OES): OES is a technique that analyzes the light emitted by the melting materials to ascertain their composition and temperature. By analyzing the spectral lines and intensities of the emitted light, OES can provide valuable information about the melting process, including temperature and the presence of impurities or alloying elements. 5. Pressure Measurement: Monitoring the pressure within the graphite crucible can serve as an indicator of the melting process. As the materials melt and vaporize, the pressure inside the crucible may increase. Pressure sensors can be utilized to measure pressure changes during the melting process, offering insight into the progress of the melting and the behavior of the materials. These techniques can be employed individually or in combination to monitor the melting process in a graphite crucible. By utilizing one or more of these methods, operators can ensure that the melting process is proceeding as intended and make any necessary adjustments or interventions to maintain optimal conditions.
Q:Is it possible to achieve controlled pouring with a graphite crucible?
Controlled pouring using a graphite crucible is indeed achievable. Various industries, such as metal casting and melting, widely utilize graphite crucibles due to their unique properties. These crucibles possess a high melting point, excellent thermal conductivity, and good resistance to thermal shock, making them suitable for handling high-temperature substances. To achieve controlled pouring with a graphite crucible, several factors must be taken into account. Firstly, it is essential to adequately preheat the crucible to the desired pouring temperature. This ensures that the molten material maintains its desired temperature throughout the pouring process, preventing premature solidification. Secondly, the design of the crucible and its pouring lip should enable precise control over the flow of the molten substance. Shaping the pouring lip allows for a steady and controlled stream, reducing the risk of splashing or spilling. Moreover, the operator's expertise and experience play a vital role in achieving controlled pouring. They must possess a comprehensive understanding of the poured material, its characteristics, and the appropriate pouring techniques. Additionally, they should be mindful of potential hazards and take necessary precautions to ensure safety throughout the pouring procedure. In conclusion, achieving controlled pouring with a graphite crucible is feasible by considering proper preheating, suitable crucible design, and skilled operators. These factors contribute to achieving precise and controlled pouring for a variety of applications.
Q:Can a graphite crucible be used for ceramic or porcelain production?
No, a graphite crucible cannot be used for ceramic or porcelain production. Graphite crucibles are primarily used for melting and holding metals, while ceramic and porcelain production requires crucibles made of materials such as alumina or silica, which can withstand high temperatures and chemical reactions specific to ceramic and porcelain materials.
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 graphite crucibles be used for melting pharmaceutical compounds?
Yes, graphite crucibles can be used for melting pharmaceutical compounds. Graphite crucibles are known for their high melting point, which makes them suitable for high-temperature applications such as melting metals, alloys, and even certain chemicals. Since pharmaceutical compounds can have different melting points, it is important to ensure that the temperature range of the graphite crucible is compatible with the melting point of the specific compound being melted. Additionally, graphite crucibles are chemically inert and have low reactivity, which reduces the risk of contamination or chemical reactions with the pharmaceutical compounds during the melting process. However, it is essential to consider the specific requirements and properties of the pharmaceutical compound being melted to ensure compatibility with the graphite crucible.
Q:Can a graphite crucible be used for nickel melting?
Yes, a graphite crucible can be used for nickel melting. Graphite crucibles are commonly used in high-temperature applications, including the melting of metals like nickel. Graphite has a high melting point, excellent thermal conductivity, and good resistance to chemical corrosion, making it suitable for melting and containing nickel. Additionally, graphite crucibles offer good heat transfer, allowing for efficient and uniform melting of the metal. However, it is important to ensure that the graphite crucible is specifically designed for high-temperature applications and is compatible with the melting temperature of nickel to avoid any potential issues or damage.
Q:Can graphite crucibles be used for laboratory analysis?
Laboratory analysis can utilize graphite crucibles. Laboratories frequently employ graphite due to its resistance to high temperatures and lack of chemical reactivity. Its advantageous properties make it particularly useful for carrying out processes that involve extreme heat, such as metal melting, as it can endure temperatures of up to 3000 degrees Celsius. Moreover, graphite crucibles possess exceptional thermal conductivity, ensuring a uniform distribution of heat during experiments. However, it is crucial to acknowledge that graphite crucibles may react with specific chemicals or elements under particular conditions, necessitating careful consideration of compatibility with the substances being analyzed. Additionally, the selection of crucible material should be based on the unique requirements of the analysis, as certain situations may demand alternative materials like porcelain, quartz, or platinum.
Q:Can a graphite crucible be used for zinc melting?
Certainly! A graphite crucible is capable of facilitating the process of zinc melting. Renowned for their elevated melting point and exceptional thermal conductivity, graphite crucibles prove to be apt for melting metals such as zinc. They are capable of enduring the formidable temperatures needed for zinc melting without any form of reactivity or contamination to the metal. Moreover, graphite crucibles exhibit commendable resistance to thermal shock, enabling them to withstand abrupt temperature fluctuations during the melting procedure. Nonetheless, it is crucial to adequately cleanse and prime the graphite crucible prior to usage in order to guarantee the purity of the molten zinc.
Q:Can graphite crucibles be used for carbon fiber production?
Yes, graphite crucibles can be used for carbon fiber production. Graphite crucibles are commonly used in high-temperature applications due to their excellent thermal conductivity, high melting point, and chemical resistance. In the production of carbon fiber, graphite crucibles can be used to heat and melt the precursor materials, such as polyacrylonitrile (PAN) or pitch, which are then processed through a series of steps to produce carbon fiber. The high-temperature stability and non-reactivity of graphite make it an ideal material for maintaining the necessary conditions during the carbonization process. Additionally, the smooth surface of graphite crucibles helps in achieving uniform heat distribution, which is crucial for the quality and consistency of carbon fiber production. Therefore, graphite crucibles are a suitable choice for carbon fiber production.

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