Sic Graphite Crucible for Melting Metal with Good Quality

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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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Product Description:

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 Melting Metal with Good Quality

Sic Graphite Crucible for Melting Metal with Good Quality

Other refractory materials for High temperature industry


Sic Graphite Crucible for Melting Metal with Good Quality

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Q:What special attention should be paid to the use of graphite crucible in vacuum induction melting of titanium alloy?
And then affect the phase change temperature and mechanical properties of the alloy, so in smelting, the crucible material, melting atmosphere and environment should be seriously considered, selected, and strictly controlled to inhibit the production of sundry
Q:Can quartz ceramic crucibles instead of graphite crucibles?
Graphite heat resistance is much higher than that of quartz ceramics; graphite can be more than 2000, while the highest resistant quartz ceramics 1700 degrees.
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
Q:How to select and use the carbon graphite for machinery? What items should we pay attention to?
Carbon - graphite is a brittle material whose mechanical strength is generally lower than that of metals. Therefore, in the design of the structure should pay full attention to this feature, in the processing and assembly process should be carefully operated, is strictly prohibited to strike with hard objects, to avoid rupture.
Q:How long can a graphite crucible last for a long time?
When the temperature increases, the graphite crucible not only does not soften, but the strength is increased. At 2500 degrees, the tensile strength of graphite increases by one time.
Q:Graphite can react with alkali in high temperature
Graphite can react with alkali in high temperatureThe chemical properties of graphite are very stable at room temperature and do not react with acids, bases and other substances.
Q:What is the conductivity of graphite and copper, iron and zinc?
Graphite and copper, iron, and zinc are electrically conductive. The conductivity and thermal conductivity are different for different grades of materials.
Q:Does the graphite pan need preheating?
5. the use of coke block size is less than the furnace wall and the crucible spacing should be added since the 5 fall, not ramming.6. crucible before use for 1-1.5 hours from the gas warm up to 200 degrees Celsius (especially in the initial drying must be in a continuous turning of the crucible and the crucible, slowly warming up and down at the same time and shall not exceed 100 degrees, to be slightly cooler, water vapor discharged after 1 hours) and then continue to heat up. The temperature to about 800 DEG C, baking time not too long. (such as spalling, improper preheating burst, not a quality problem, if the company is not responsible for the return. 7.) must keep the inside wall intact, to avoid bias by.8. flame burner flame heating, don't direct injection in the crucible, should be sprayed on the seat and into the crucible.9. proposed to use.10. into the metal crucible clamp corresponding to the bottom and then insert the scrap metal ingot, but not too close to the edge and, in order to avoid fragmentation through the use of a.11. crucible crucible best due to the expansion of metal Continuous melting, reduce the interval time.12. if intermediate stop using the remaining liquid should be dry, in order to avoid cracking caused by the continued use of.13. in the smelting process, must strictly control the amount of refining agent, added in excess, will reduce the service life of the crucible. And often clean ballast junction, guide and capacity to change the face of the impact of free crucible at the same time. Ballast too thick will cause the upper expansion.
Q:What are the common uses of graphite?
As one of the main uses of refractory graphite is the production of refractory materials, including refractory brick, crucible continuous casting, casting mold, mold powder, detergent and high temperature resistant materials by graphite crucible and crucible forming manufacturing related products and refractory and related products, such as crucible, retort, plug head and nozzle etc., has high fire resistance, low thermal expansion, metal smelting process, by metal infiltration and erosion are stable under high temperature, good thermal shock resistance and excellent thermal conductivity, so the graphite crucible and its related products are widely used in the process of direct molten metal.
Q:Is the yellow metal in the graphite rock gold?
Not necessarily. Many minerals are also golden.Specific is not gold, you can easily test from the hardness, gold is very soft metal.

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