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: Are there different sizes available for graphite crucibles?: Indeed, graphite crucibles are offered in various sizes to cater to diverse needs and applications. These crucibles come in a plethora of sizes, ranging from petite ones suitable for jewelry making or minor laboratory experiments to more substantial ones used for industrial purposes such as metal casting or melting. The necessary size of the crucible is contingent upon the quantity of material to be melted or processed, as well as the unique demands of the application at hand. Consequently, an array of sizes is made available to satisfy distinct requirements and guarantee the optimal and proficient utilization of graphite crucibles.

Q: How about the water content of Zinc Oxide in indirect method?: Different raw materials to produce zinc, the purity of Zinc Oxide is not the same, the main production process of 99.5%--99.7% Zinc Oxide.

Q: How is graphite formed?: The company has advanced production and processing equipment, modern production management, perfect product testing means, a good service network and strong development capabilities. For customers to produce all kinds of special-shaped, high-precision graphite products! Such as: graphite plate, graphite rod, graphite block, graphite crucible, graphite anode plate, graphite mold, graphite lining, graphite bearing, Shi Mohuan, graphite tube, graphite pad, graphite electrode and so on.

Q: Graphite is widely used in industry and in daily life. It can not be used in industry: General graphite in industry and daily life has been used in various fields, but the graphite can not be used by those who industry is a matter to be determined, so we can only go to research specific, what is the specific application of graphite materials, if you don't want to in the industry application of graphite material

Q: Are graphite crucibles suitable for melting radioactive materials?: No, graphite crucibles are not suitable for melting radioactive materials. Graphite crucibles are commonly used for melting non-reactive substances like metals and alloys, but they are not designed to handle radioactive materials. Radioactive materials can release harmful radiation, which can potentially react with or contaminate the graphite crucible. Therefore, special crucibles made from materials that are resistant to radiation, such as ceramics or refractory metals, should be used for melting radioactive materials to ensure safety and prevent contamination.

Q: How do you prevent graphite crucibles from erosion during use?: To prevent graphite crucibles from erosion during use, several measures can be taken. First, maintaining proper temperature control is crucial, as extreme temperatures can accelerate erosion. Using a protective coating or glaze on the inner surface of the crucible can also help minimize erosion. Additionally, avoiding abrupt temperature changes and handling the crucible with care can prevent mechanical damage that may lead to erosion. Regular cleaning and proper handling of the crucible, such as avoiding direct contact with corrosive substances, can further extend its lifespan and minimize erosion.

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 does the oxidation resistance of graphite affect the performance of a crucible?: The oxidation resistance of graphite plays a crucial role in determining the performance of a crucible. Graphite is a commonly used material for crucibles due to its high melting point, thermal conductivity, and chemical inertness. However, graphite is susceptible to oxidation at high temperatures, which can significantly impact the performance of a crucible. Oxidation occurs when oxygen reacts with the carbon atoms in graphite, forming carbon dioxide (CO2) or carbon monoxide (CO) gas. This process leads to the degradation of the graphite structure, causing it to lose its desirable properties. As a result, the crucible may become weak, brittle, and develop cracks or holes, compromising its ability to contain and withstand high temperatures and corrosive environments. The oxidation resistance of graphite is therefore crucial in maintaining the integrity and longevity of a crucible. Graphite materials with higher oxidation resistance can withstand exposure to oxygen at elevated temperatures without significant degradation. They can resist the formation of CO2 or CO gas and retain their structural integrity, ensuring the crucible remains intact and capable of withstanding repeated heating and cooling cycles. A crucible with good oxidation resistance will have a longer lifespan, as it can endure high-temperature applications without significant wear or damage. It will also maintain its thermal conductivity, which is essential for efficient heat transfer and uniform temperature distribution during processes such as melting, casting, or chemical reactions. Furthermore, the oxidation resistance of graphite in a crucible affects the purity of the substances being processed. Oxidation can lead to the formation of impurities, such as carbon dioxide or carbon monoxide, which can contaminate the materials being held in the crucible. This can be particularly problematic in industries such as metallurgy or semiconductor manufacturing, where high purity is essential for the quality of the final product. In conclusion, the oxidation resistance of graphite greatly influences the performance of a crucible. A crucible made from graphite with high oxidation resistance will have a longer lifespan, maintain its structural integrity, and ensure the purity of the materials being processed. Thus, careful consideration of the oxidation resistance when selecting a crucible material is essential for optimal performance and cost-effectiveness in various industrial applications.

Q: Can graphite crucibles be used for melting rare earth metals?: Melting rare earth metals is possible using graphite crucibles. Graphite possesses desirable qualities like a high melting point, excellent thermal conductivity, and resistance to chemical reactions. These properties make graphite an ideal material for applications that involve high temperatures, such as melting rare earth metals. Moreover, graphite crucibles are durable and can endure the harsh conditions associated with molten metals. This makes them a suitable choice for the melting and refining of rare earth metals. Nevertheless, it is crucial to acknowledge that certain rare earth metals, like cerium, can react with graphite when exposed to high temperatures. This can lead to the formation of carbonates. Hence, it is advisable to carefully consider the specific properties and reactivity of each rare earth metal before employing graphite crucibles for the purpose of melting.

Q: How much temperature does a graphite crucible hold?: Mainly depends on the use of working conditions, the use of air, then more than 600 degrees Celsius will begin to be oxidized, and the service life will not be long.

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