• SiC Graphite Crucibles For Melting Aluminium And Copper, Brass System 1
  • SiC Graphite Crucibles For Melting Aluminium And Copper, Brass System 2
  • SiC Graphite Crucibles For Melting Aluminium And Copper, Brass System 3
  • SiC Graphite Crucibles For Melting Aluminium And Copper, Brass System 4
  • SiC Graphite Crucibles For Melting Aluminium And Copper, Brass System 5
SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

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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 for SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

Type:

High Strength, graphite crucible crucible

Application:

melting metal

Height:

as your requirements

Composition:

High Pure

Top Diameter:

10-600mm

Bottom Diameter:

10-1000mm

Place of Origin:

 China (Mainland)

Brand Name:


Model Number:


Color:

Black grey

Si3N4%:

5min

Fe2O3%:

0.7max

C%:

30-45

Apparent porosity:

30max

Refractoriness:

1680

Bulk Density:

1.71min

Using life:

>5000 hours

MAX temperature:

1600c

Packaging & Delivery

Packaging Details:Seaworty packing or as per customer's detail requirement of graphite crucible.
Delivery Detail:within 20-30 days after confirm order of graphite cru

Super Quality Long Working Life SiC Graphite Crucibles For Melting Aluminium And Copper, Brass                                

 

Product Description

 

Specifications for Graphite Silicon Carbide Crucible For Aluminum Melting :

1.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.

2.High thermal conductivity: high-density body and low apparent porosity greatly improve its heat conductivity.

3.New-style materials: new heat conduction material ensures faster heat conductivity and pollution-free product, reduces adherent slag.

4.Resistance to corrosion:better anti-corrosion than normal clay-crucible.

5.Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensures persistent heat conductivity and long working lifetime.

6.High-strength: high-density body and logical structure make the product better compression property.

7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.

8.Multi-function: Can be used in induction graphite crucible furnace

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass



 

Physicochemical Properties of graphite crucible:

 

The crucible is an utensil or melting tank vessels that is made of refractory material (such as clay, graphite, quartz or difficult molten metal iron, etc.).

Graphite crucible, with is special advantages and Plasticity, is widely used in the smelting area, e.g. gold smelting, silver smelting, aluminum smelting, cooper smelting, etc.



high pure graphite

Item

Unit

baked twice

baked three time

baked four times

impregnated once

impregnated twice

impregnated three times

grain size

mm

≤325μm

≤325μm

≤325μm

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

 



Fine-grain Specialty Graphite FXG-1

Fine-grain Specialty Graphite FXG-2

Item

Unit

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

 

NO

Top diameter

Bottom diameter

Height

Tolerance

Capacity(Kg5%)

2

90

50

55

2

0.3

3

105

80

93

2

0.5

4

102

80

100

2

0.6

5

112

82

130

2

0.8

6

120

82

141

2

0.9

8

138

90

153

2

1.2

12

148

100

181

2

1.8

16

156

110

190

2

2.3

20

180

120

230

2

3

25

186

128

248

2

3.7

 

Packaging & Shipping

 

Package: Wooden case and wooden pallet or pack as customer's requirement of graphite crucible.

Delivery time: depend on distance,  usually 20 days to 50days after deposit of graphite crucible.


Our Services

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

 

Why choose CMAX?

High puriy material make sure high max working temperature,

Tight tolerance make sure the right installation.

Large quantity in stock ensured fast delivery.

Large capacity reduce materical prices.

Our service :

Inquiry response: Your inquiries will be replied in 24 hours.

Sample support: Two free samples are available in 3~5days.

Delivery time: Your shipment will be loaded in 15~25days.depends on quantity.

Payment term: T/T, L/C, Western Union (Sample only)


 We can supply the products according to customer's drawings, samples and performance requirement.


Other Products


SiC Graphite Crucibles For Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass



FAQ

  1.What's your MOQ?

 We will indicate the MOQ for each item in the quotation list. We accept the sample and trail order. 

2.Can I negotiate the Prices?

Sure, we may consider discounts for bulk order of products.

3.How long will it take to complete my order?

For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.

4.Can you give warranty of your products?

Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with N&D's Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.

5.Can I visit you?

Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.


Q:Cast iron into a casting. What is the state of the matter, change, sublimation?
The graphite crucible has good thermal conductivity and high temperature resistance, and the thermal expansion coefficient is small in the process of high temperature use, and has a certain anti strain property for hot and cold quenching. The corrosion resistance of acid and alkaline solution is strong, and it has good chemical stability.
Q:How does the thermal stability of graphite affect the performance of a crucible?
The performance of a crucible is greatly influenced by the thermal stability of graphite. Graphite is renowned for its high melting point and exceptional thermal conductivity, making it an ideal material for crucibles used in high-temperature scenarios. Industries such as metallurgy, foundries, and laboratories commonly employ crucibles that are subjected to extreme temperatures. The thermal stability of graphite guarantees that the crucible can endure these high temperatures without distorting or melting. With a melting point of approximately 3,600 degrees Celsius, graphite's high melting point allows the crucible to maintain its shape and structural integrity under intense heat. This characteristic is crucial since it prevents the crucible from warping or collapsing, which can lead to uneven heating and material loss. Furthermore, graphite's outstanding thermal conductivity enables the crucible to evenly distribute heat across its surface. This is essential as it ensures uniform heating of the materials held within the crucible, preventing localized hotspots or uneven temperature gradients. In applications requiring precise temperature control, such as alloy production or chemical reactions, this characteristic is vital for achieving accurate and consistent results. Moreover, the thermal stability of graphite also impacts the crucible's ability to resist thermal shock. Thermal shock occurs when there is a sudden and drastic change in temperature, resulting in the cracking or even breaking of the crucible. Graphite's high thermal stability allows it to endure thermal shock without significant damage, guaranteeing the longevity and durability of the crucible. To summarize, the thermal stability of graphite is crucial for the performance of a crucible. It enables the crucible to withstand high temperatures without distorting or melting, ensures even heat distribution, and enhances its resistance to thermal shock. These properties make graphite crucibles highly dependable and suitable for demanding applications that require high-temperature stability and precise temperature control.
Q:Application of graphite in glass production
Graphite is an allotrope of elemental carbon around each carbon atom connected with the other three carbon atoms (the arrangement of a plurality of hexagonal honeycomb type) by covalent bond, covalent molecular composition. Since each atom emits an electron, the electrons are free to move, so the graphite belongs to the conductor.
Q:Can graphite crucibles be used for both melting and casting?
Yes, graphite crucibles can be used for both melting and casting. Graphite is known for its excellent heat resistance and high melting point, which makes it an ideal material for containing molten metals during the melting process. Additionally, graphite crucibles have good thermal conductivity, allowing for efficient heat transfer and uniform heating of the molten metal. Once the metal is melted, the graphite crucible can also be used for casting. The molten metal can be poured directly from the crucible into a mold, allowing for the creation of various shapes and forms. Graphite crucibles are typically durable and can withstand repeated heating and cooling cycles, making them suitable for both melting and casting processes. However, it is important to note that graphite crucibles may not be suitable for all types of metals. Some reactive or corrosive metals may react with graphite at high temperatures, leading to contamination of the molten metal. In such cases, alternative crucible materials like ceramic or refractory metals may be more appropriate.
Q:Can graphite crucibles be used for melting iron?
Melting iron cannot be done using graphite crucibles. Although graphite crucibles are commonly utilized for melting metals like gold, silver, and copper due to their ability to conduct heat well and endure high temperatures, they are not appropriate for iron melting. The reason is that iron has a significantly higher melting point compared to other metals, reaching approximately 1,535 degrees Celsius (2,795 degrees Fahrenheit). Graphite crucibles have a temperature limit, typically around 1,200 degrees Celsius (2,192 degrees Fahrenheit) or lower. Consequently, if exposed to the extreme heat required for iron melting, graphite crucibles would risk breaking down, losing their structural integrity, and contaminating the molten iron. For melting iron, it is preferable to use materials with higher melting points and better resistance to high temperatures, such as clay-graphite or silicon carbide crucibles. These crucibles can withstand the intense heat necessary for iron melting while maintaining their shape and integrity. Choosing the appropriate crucible material based on the specific metal being melted is crucial to ensure safety, efficiency, and quality in the melting process.
Q:How does a graphite crucible handle abrasion resistance?
A graphite crucible has excellent abrasion resistance due to the unique properties of graphite.
Q:Can a graphite crucible be used for silver melting?
Yes, a graphite crucible can be used for silver melting. Graphite is an excellent heat conductor and can withstand the high temperatures required for melting silver. It is also chemically inert, meaning it does not react with silver or contaminate the metal during the melting process.
Q:Can graphite crucibles be used for thermal analysis?
Yes, graphite crucibles can be used for thermal analysis. Graphite has excellent thermal conductivity and can withstand high temperatures, making it suitable for various thermal analysis techniques such as thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC). Its inert nature also allows for accurate measurement and analysis of thermal properties of the sample.
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:Why do laboratory crucibles use ceramics instead of glass?
Because the glass has a softening temperature, and the temperature is below 1000 DEG C, therefore, made of glass crucible at high temperature when the heating crucible may be softening deformation, and the glass crucible should not contact with alkaline substances.

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