Silicon Graphite Crucible for Melting Aluminium, Copper, Brass

Silicon Graphite Crucible for Melting Aluminium, Copper, Brass System 1

Silicon Graphite Crucible for Melting Aluminium, Copper, Brass System 2

Silicon Graphite Crucible for Melting Aluminium, Copper, Brass System 3

Silicon Graphite Crucible for Melting Aluminium, 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

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

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 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
Item	Unit	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
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.

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

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SiC 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: How is a graphite crucible manufactured?: The process of manufacturing a graphite crucible typically involves isostatic pressing. This technique encompasses placing graphite powder into a mold and subjecting it to high pressure from all directions. By doing so, the graphite particles become evenly compacted, resulting in a dense and uniform crucible. To begin the manufacturing process, the appropriate graphite material must be selected. Typically, high-quality graphite with a low ash content is chosen due to its exceptional thermal conductivity, resistance to high temperatures, and chemical stability. The graphite is then milled into a fine powder to ensure consistent particle size. The next step involves pouring the graphite powder into a flexible rubber mold, which is designed to withstand the high pressure applied during isostatic pressing. It is crucial to carefully seal the mold to prevent any leakage of graphite powder. The sealed mold is then placed inside a high-pressure vessel where hydraulic pressure is applied uniformly from all directions. This pressure compacts the graphite particles, eliminating any voids or porous areas. Moreover, the high pressure helps align the graphite particles, resulting in enhanced mechanical properties. Once the pressing process is complete, the mold is removed, leaving behind a green crucible. This green crucible undergoes a baking process known as carbonization. During carbonization, the crucible is exposed to temperatures of approximately 3000 degrees Celsius in an inert atmosphere. This procedure eliminates volatile materials and further strengthens the crucible. Following carbonization, the crucible undergoes a final machining process to achieve the desired dimensions and a smooth surface finish. This may involve precision grinding, turning, or milling to ensure the crucible meets the required specifications. In summary, the manufacturing of a graphite crucible involves isostatic pressing, which entails compacting graphite powder under high pressure. This process, combined with carbonization and machining, guarantees that the crucible possesses excellent thermal conductivity, resistance to high temperatures, and chemical stability.

Q: New energy, crystal, silicon and other research and development, production, because the crucible rotary table heating device, there is no good solution to share?: 1. features:(1) according to the actual shape and size design, including 3 dimensional geometry to meet your equipment.(2) provide heater longer moisture antichemical silicone rubber material.(3) simple paste and touch on your parts, through vulcanization, adhesives, or fasten pieces, etc..

Q: How do you determine the appropriate crucible handle for a specific application?: There are several factors to consider when determining the appropriate handle for a specific crucible application. Firstly, it is necessary to assess the material used in the crucible. Different materials have varying properties, such as weight, melting point, and corrosiveness, which will impact the type of handle required. Next, the size and weight of the crucible should be evaluated. Larger crucibles with heavier loads may necessitate sturdier handles that can support the weight without compromising safety. It is important for the handle to provide a secure grip to prevent accidental dropping or spillage. The temperature at which the crucible will be used is another crucial consideration. High-temperature applications demand heat-resistant handles that can withstand extreme temperatures without transferring heat to the operator's hands. Handles made of heat-resistant materials like ceramic or specialized alloys may be suitable for such applications. Additionally, the handle's ergonomics and comfort should be taken into account. A handle that allows for a comfortable grip and easy maneuverability can enhance the user's experience and reduce the risk of accidents or injuries. Lastly, it is essential to adhere to any specific guidelines or regulations provided by the manufacturer or industry standards. Some applications may have specific requirements for handle materials, designs, or attachment methods to ensure optimal safety and performance. By considering these factors and conducting thorough research, one can determine the appropriate crucible handle that meets the requirements of the specific application, ensuring safe and efficient use of the crucible.

Q: Can a graphite crucible be used for laboratory applications?: Laboratory applications can indeed utilize a graphite crucible. These crucibles, widely employed in laboratories, serve a multitude of purposes such as heating, melting, and substance analysis. Their exceptional thermal conductivity, ability to withstand extreme temperatures, and chemical inertness render them appropriate for managing and containing high-temperature materials. Graphite crucibles find common use in activities such as determining melting points, fusing samples for analysis, and acting as receptacles for reactions involving intense heat or corrosive substances. Nonetheless, it is crucial to recognize that the appropriateness of a graphite crucible for a given laboratory application may rely on factors including the nature of the substances being handled, the required temperature range, and the specific conditions of the experiment.

Q: Can a graphite crucible be used for melting pharmaceutical substances?: Yes, a graphite crucible can be used for melting pharmaceutical substances. Graphite is an excellent material for high-temperature applications and offers good thermal conductivity and resistance to chemical reactions, making it suitable for melting various substances, including pharmaceuticals.

Q: Can graphite crucibles be used for diamond synthesis?: No, graphite crucibles cannot be used for diamond synthesis. While graphite and diamond are both forms of carbon, they have different structures and properties. Graphite has a layered structure with weakly bonded layers, making it a good conductor of electricity and heat. On the other hand, diamond has a three-dimensional structure with strong covalent bonds between carbon atoms, making it the hardest known substance and a poor conductor of electricity. In the process of diamond synthesis, high temperatures and pressures are used to convert carbon into diamond. Graphite crucibles are unable to withstand these extreme conditions and would react with the carbon, leading to the formation of more graphite rather than diamond. To synthesize diamonds, specialized equipment such as high-pressure, high-temperature (HPHT) or chemical vapor deposition (CVD) methods are used, which require different materials capable of handling the required conditions.

Q: Will the friction powder of the graphite sliding bearings rust?: The letter Ruida graphite thermal field | Rita graphite mold | letter letter Ruida lightning protector graphite | isostatic graphite graphite | surge | Ruida letter letter letter Ruida Ruida graphite products | graphite vacuum furnace | Rita graphite crucible | letter custom processing | graphite graphite powder |EDM graphite |10/350 surge graphite sheet for you to answer the above point of view, for reference only!

Q: Does the smelting of nonferrous metals, graphite crucible and cast iron crucible which is easy to use?: The pollution of carbon to aluminum alloy and copper alloy should be less than that of iron to aluminium alloy and copper alloy, but the iron crucible is durable and easy to use

Q: Can a graphite crucible be used for gold or silver melting?: Certainly! A graphite crucible is capable of being used for the melting of gold or silver. The thermal conductivity of graphite crucibles is remarkably high, enabling the efficient transfer of heat during the melting process. Moreover, graphite possesses a high melting point and exhibits resistance to chemical substances, rendering it suitable for enduring the elevated temperatures and corrosive conditions that arise in gold and silver melting. Graphite crucibles find widespread utilization in diverse industrial sectors such as metallurgy, jewelry production, and dental laboratories. These crucibles are employed for the purpose of melting and casting precious metals like gold and silver.

Q: Can a graphite crucible be used for ceramic glazing?: No, a graphite crucible is not suitable for ceramic glazing. Ceramic glazes require high firing temperatures that can cause the graphite crucible to degrade or react with the glaze materials, leading to contamination and poor results. It is recommended to use a crucible made from materials like alumina or porcelain for ceramic glazing.

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