High-Quality Crucible Graphite Metallurgy SIC Crucibles

High-Quality Crucible Graphite Metallurgy SIC Crucibles System 1

High-Quality Crucible Graphite Metallurgy SIC Crucibles System 2

High-Quality Crucible Graphite Metallurgy SIC Crucibles System 3

High-Quality Crucible Graphite Metallurgy SIC Crucibles

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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 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

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 Graphite Crucibles with Good Quality for Metallurgy

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.

Our Services

SiC Graphite Crucibles with Good Quality for Metallurgy

Why choose CMAX?

High puriy material make sure high max working temperature,

Tight tolerance make sure the right installation.

Large quantity in stock ensured fast delivery.

Large capacity reduce materical prices.

Our service :

Inquiry response: Your inquiries will be replied in 24 hours.

Sample support: Two free samples are available in 3~5days.

Delivery time: Your shipment will be loaded in 15~25days.depends on quantity.

Payment term: T/T, L/C, Western Union (Sample only)

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

Other Products

SiC Graphite Crucibles with Good Quality for Metallurgy

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.

Welcome to visit our factory.^_^

Q: What are the different methods of preventing oxidation in a graphite crucible?: There are various techniques available to prevent oxidation in a graphite crucible. 1. Coating: An effective approach involves the application of a protective coating on the inner surface of the crucible. This coating acts as a barrier, preventing direct contact between the crucible and the oxidizing atmosphere. Refractory materials like zirconium oxide or alumina are commonly used for this purpose. 2. Preheating: Another method that works well is preheating the crucible prior to use. Subjecting the graphite crucible to high temperatures helps eliminate any impurities or volatile substances present, leaving behind a more stable and less vulnerable surface. This aids in minimizing oxidation during subsequent use. 3. Vacuum or inert gas environment: Performing operations within a vacuum or an inert gas environment, such as argon or nitrogen, can significantly reduce the likelihood of oxidation. These environments lack oxygen, which is necessary for oxidation to occur. By eliminating or reducing the presence of oxygen, the graphite crucible remains shielded from oxidation. 4. Temperature control: Properly managing the temperature also plays a crucial role in preventing oxidation in a graphite crucible. Excessive and prolonged exposure to high temperatures can accelerate oxidation. By maintaining the temperature within a specific range and avoiding abrupt temperature changes, oxidation can be kept to a minimum. 5. Regular cleaning and maintenance: Lastly, regular cleaning and maintenance of the crucible are imperative to prevent oxidation. Removing any accumulated contaminants or residues from the surface helps preserve the integrity of the crucible and safeguards against oxidation during subsequent use. It is important to consider that the choice of method may vary depending on the specific application and requirements. Factors such as the nature of the materials being processed, the operating conditions, and the desired level of protection against oxidation should be taken into account when selecting an appropriate method.

Q: Can graphite crucibles be used for carbon nanotube synthesis?: Yes, graphite crucibles can be used for carbon nanotube synthesis. Graphite has high thermal conductivity and can withstand high temperatures, making it suitable for growing carbon nanotubes through chemical vapor deposition methods.

Q: Can graphite crucibles be used for melting refractory metals?: Absolutely! When it comes to melting refractory metals, graphite crucibles are the way to go. The reason being is that graphite possesses exceptional thermal conductivity and a remarkably high melting point, which renders it ideal for applications involving high temperatures. Take refractory metals like tungsten, molybdenum, and niobium for instance; these metals boast extraordinary melting points and can effortlessly withstand the temperatures achieved within a graphite crucible. Moreover, graphite exhibits minimal reactivity with most metals, thereby making it a suitable material for securely housing and melting refractory metals without any risk of contamination. However, it is of utmost importance to select a top-notch graphite crucible that is specifically engineered for melting refractory metals in order to ensure optimal performance and durability.

Q: How to break 40 low carbon steel smelting: High pressure pipes are generally welded by argon arc welding, whether they are carbon steel, alloy steel or stainless steel;

Q: Can graphite crucibles be used for powder metallurgy?: Yes, graphite crucibles can be used for powder metallurgy. Graphite crucibles are commonly used in powder metallurgy processes due to their high thermal conductivity, resistance to thermal shock, and ability to withstand high temperatures. They provide a suitable environment for melting and sintering metal powders in powder metallurgy applications.

Q: How does a graphite crucible handle abrasion resistance?: A graphite crucible has excellent abrasion resistance due to the unique properties of graphite.

Q: Can graphite crucibles be used for carbonization processes?: Carbonization processes can make use of graphite crucibles. Graphite is highly suitable for applications that involve high temperatures because of its exceptional thermal conductivity and resistance to thermal shock. Graphite crucibles are frequently employed in carbonization processes, where carbon-rich materials are heated to high temperatures without the presence of oxygen. These crucibles effectively contain and heat the materials. Graphite's high thermal conductivity ensures efficient transfer of heat, resulting in uniform heating and minimal heat loss. Furthermore, graphite's resistance to thermal shock enables it to withstand sudden temperature changes that occur during the carbonization process. In conclusion, graphite crucibles are a dependable and appropriate choice for carbonization processes.

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: Can graphite crucibles be used for rapid thermal cycling?: Yes, graphite crucibles can be used for rapid thermal cycling. Graphite has excellent thermal conductivity and can withstand high temperatures, making it suitable for quick temperature changes during thermal cycling processes.

Q: Is it possible to achieve controlled pouring with a graphite crucible?: Yes, it is possible to achieve controlled pouring with a graphite crucible. Graphite crucibles are widely used in various industries, including metal casting and melting, due to their unique properties. Graphite has a high melting point, excellent thermal conductivity, and good resistance to thermal shock, making it suitable for handling high-temperature materials. To achieve controlled pouring with a graphite crucible, several factors need to be considered. Firstly, the crucible should be properly preheated to the desired pouring temperature. This ensures that the molten material remains at the desired temperature during pouring, preventing premature solidification. Secondly, the design of the crucible and its pouring lip should allow for precise control over the flow of the molten material. The pouring lip can be shaped to achieve a steady and controlled stream, reducing the risk of splashing or spilling. Furthermore, the operator's skill and experience play a crucial role in achieving controlled pouring. They need to have a good understanding of the material being poured, its characteristics, and the appropriate pouring techniques. They should also be aware of any potential hazards and take necessary precautions to ensure safety during the pouring process. In summary, while achieving controlled pouring with a graphite crucible is possible, it requires proper preheating, appropriate crucible design, and skilled operators. By considering these factors, it is possible to achieve precise and controlled pouring for various applications.

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