Refractory Crucibles Sic Crucible For Melting Copper

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Quick Details for Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum


High Strength, graphite crucible crucible


melting metal


as your requirements


High Pure

Top Diameter:


Bottom Diameter:


Place of Origin:

 China (Mainland)

Brand Name:

Model Number:


Black grey







Apparent porosity:




Bulk Density:


Using life:

>5000 hours

MAX temperature:


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

Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum                       

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.

Refractory Crucibles Sic Crucible For Melting Copper

Refractory Crucibles Sic Crucible For Melting Copper


Refractory Crucibles Sic Crucible For Melting Copper/Brass/Aluminum

Physicochemical Properties


Type of Crucible

Type S

Type D

Carbon   Content/%



Bulk   Density/(g/cm3)



Apparent Porosity/%



Compression   Strength/MPa






Type S: Clay graphite crucible

Type D: Isostatic pressing graphite crucible

 Cited from CNS China National Standard of Graphite Crucible, which is solely drifted by TIANFU company.  

Content Composition











  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.

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Q:How long will it take to warm the water at 20 degrees to 3000 degrees at 3800?
To calculate time, there must be heating power, heating methods, water quality and physical state. If a small drop of water is placed in a 2000C graphite crucible, the water instantly becomes vapour, and some of the water molecules are broken down into hydrogen and oxygen.
Q:Does the graphite metal pad have any requirements on the sealing surface?
Metal wound gasket:Metal wound gasket is a sealing gasket is used widely at present, in order to return to the best elastic gasket semi metallic gasket, by V or W shaped steel strips with various fillers alternately wound together, high temperature, high pressure and adapt to the use of ultra low temperature or under vacuum conditions, by changing the gasket combination of materials, can solve the problem of all kinds of chemical corrosion medium on the gasket, the structure density can according to different requirements to lock force production, in order to strengthen the body and accurate positioning, the gasket ring and the outer ring is provided with positioning reinforced metal, using internal and external steel ring to control the maximum compaction degree, the sealing surface precision requirement is not high the surface of the flange gasket contact.
Q:Melting copper slag with a graphite crucible furnace can add any flux, in order to shorten the melting time and save fuel
The more specific fuel, you can contact specific: Pingdu Hua Hua graphite factory car factory director, their factory is specializing in the production of graphite crucible manufacturers, quality is better
Q:How long can a graphite crucible last for a long time?
The special thermal shock resistance, thermal expansion of graphite is anisotropic, and the macro expansion coefficient is small, the temperature change under the condition that the volume change of graphite is not large, coupled with its good thermal conductivity, good thermal shock resistance and graphite.
Q:Which is a good quality graphite crucible?
Because the bottom of the pot is very small, it usually needs to be placed on the clay triangle to heat it directly. The crucible can be placed on the iron tripod with either positive or oblique directions, and can be placed on the basis of the requirements of the experiment. When the crucible is heated, it cannot be immediately placed on a cold metal table to prevent it from breaking due to rapid cooling. It should not be placed on the wooden table immediately so as not to spoil the table or cause fire. The correct method is to cool the metal on the tripod or to let it cool slowly on the asbestos net. For crucible purposes, see the crucible tongs. The relevant information from the supply of silicon carbide crucible dachengxian Tianjin high silicon carbide crucible crucible factory released using the latest international technology of isostatic pressing method and strict quality assurance inspection system, selection of high quality refractory raw materials, high-tech to develop a new generation of high quality silicon carbide crucible, this product has a large volume density, high temperature resistance, fast heat, acid and alkali resistance, high temperature strength, oxidation resistance and high service life is 3 times that of the clay graphite crucible.
Q:Melting the iron in the graphite crucible. Does the graphite in the crucible turn into carbon and it melts into the steel?
In addition to carbon, charcoal contains hydrogen, oxygen, nitrogen, and a small amount of other elements. Carbon in charcoal is not a transition crystal like graphite, but amorphous carbon and no C-C covalent bonds. Charcoal ignition is 320-370 DEG C, the general fire than the high temperature, so the charcoal can be lit.
Q:Graphite crucible used six or seven times on how bad?
It should be that the graphite reacts with the oxygen in the air when it is heated, and is corroded once every time
Q:Medium frequency furnace plus graphite crucible does not start
If the furnace does not start, that the magnetic induction coil is touched, because the graphite graphite crucible and conduct electricity, may be you do not match the intermediate frequency furnace
Q:Graphite grinding out of soy milk foam, how to foam?
Generally speaking, plant seeds contain more phospholipids, such as soybeans and seeds. Most phospholipids are insoluble in water (freshly made soybean milk contains foam or phospholipids)
Q:What are the catalysts for making SiC from rice husk?
The rice husk is crushed, in the temperature range of 650 to 700 DEG C, the carbonization process in furnace will be closed after the first rice husk carbonization catalyst, according to a certain weight ratio and adding, evenly mixed, the mixture is filled in the graphite crucible, the carbon fiber arranged on the upper part of the mixture, cover crucible cover. The graphite crucible is placed in a vertical vacuum furnace with graphite as the heater, and argon gas is used to protect the silicon carbide whisker on the carbon fiber. The invention realizes the automatic separation of whisker and powder, and the whisker is attached to the upper part of the carbon fiber in the powder material, and does not need to be separated from the residual carbon or other powder for two times. The obtained whisker has a high direct crystal rate and a simple process.

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