SiC Graphite Crucibles For Gold Melting Aluminium And Copper, Brass

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Shanghai
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1 pc
Supply Capability:
1000 pc/month

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Product Description:

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

 

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 Gold Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Gold 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 Gold Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Gold Melting Aluminium And Copper, Brass

 



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SiC Graphite Crucibles For Gold Melting Aluminium And Copper, Brass

SiC Graphite Crucibles For Gold 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.


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Q:How long is the service life of the cast iron crucible?
Depends on the use of the user. The graphite crucible has the advantages of high cost and easy cracking; the service life of the cast iron crucible is lower, but the utility model has the advantages of energy saving and low cost compared with the graphite crucible, and each has its own advantages and disadvantages.
Q:What are the main components of a graphite crucible?
Engine cylinder head, brake, air filter, piston, radiator, steering wheel frame, and shell of mobile phone in electronic product, etc..The graphite crucible also needs attention when it is used: because the bottom of the crucible is very small, the crucible needs to be put on the graphite pad or the clay triangle when it is heated. The graphite crucible can be heated directly and can not be cooled immediately after heating and removed with a crucible clampDo not put it on the cold metal table to prevent it from breaking due to rapid cooling. Notice that the above points will extend the life of the graphite crucible.
Q:Who is the melting point of graphite and diamond?
When material melts, molecular crystals need to destroy intermolecular forces; atomic crystals need to destroy covalent bonds; ionic crystals need to destroy ionic bonds; metal crystals need to destroy metal bonds. The stronger the bond, the higher the energy required for the breaking key, the higher the melting point.
Q:How long will it take to warm the water at 20 degrees to 3000 degrees at 3800?
You don't want it either, because the thermodynamic chart is the highest, that is, the superheated vapor data of the 1000C. In addition, in the absence of a catalyst, at 1800K and 1mmHg, the water vapor begins to decompose into H2, O2, H, O, OH. At 3500K, all the water vapor breaks down into H, O atoms.
Q:What are the advantages of a graphite furnace atomizer compared to a flame atomizer?
Graphite furnace atomic device is a type of system will be placed in the pipe wall, graphite platform, carbon sample holes or graphite crucible with electric heating to a high temperature to achieve atomization. Tubular graphite furnace is the most commonly used atomization device.
Q:What is the porcelain crucible with a small hole under it?
The main material of the graphite crucible is crystalline natural graphite. Therefore, it keeps all kinds of physical and chemical characteristics of natural right ink. That is: good thermal conductivity and high temperature resistance, in the process of high temperature use, the coefficient of thermal expansion is small, and has a certain strain resistance to hot and cold. The corrosion resistance of acid and alkaline solution is strong, and it has good chemical stability.
Q:Graphite is widely used in industry and in daily life. It can not be used in industry
A mold of a glass, made of graphite material, a porcelain boat for press and sintering, and a crystal growth crucible for monocrystalline silicon.Graphite material as a power reduction material in an atomic energy reactor.Graphite powder (4~5 grams per ton of water) can prevent boiler surface scaling. In addition, graphite can be applied to metal chimneys, roofs, bridges and pipelines to protect against corrosion and rust.Graphite can be used as a pencil core, pigment, polishing agent.Graphite gradually replaces copper as the preferred material for EDM electrodes.
Q:Procedures for operating high temperature furnaces
A, turn on the main power switchB, fill the furnace with argon to atmospheric pressure, open the front door of the furnace and remove the graphite cover plateC, drive the truck switch to OUTD clean the furnace wall, graphite and insulation material
Q:Corundum crucible and graphite crucibleSome enterprises use graphite crucibles in vacuum furnaces, while some larger ones use corundum crucibles. What I want to know is the advantages and disadvantages of corundum crucibles and graphite crucibles
Graphite crucible is a high temperature resistant and difficult to sinter material. But the biggest problem must be used in vacuum or reducing atmosphere. Otherwise, graphite is easily oxidized at high temperature. Moreover, this crucible is more expensive
Q:Can the silicon carbide bearing in the canned motor pump be replaced by graphite bearing? How big is the difference?
Mainly depends on what medium you use Not strong corrosive medium, such as structure, interchangeable, wear-resistant SiC bearings are mainly used in low viscosity and high corrosive medium, but also has its shortcomings, afraid to bump

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