SiC Crucibles For Melting Aluminium And Copper, Brass

SiC Crucibles For Melting Aluminium And Copper, Brass System 1

SiC Crucibles For Melting Aluminium And Copper, Brass System 2

SiC Crucibles For Melting Aluminium And Copper, Brass System 3

SiC Crucibles For Melting Aluminium And 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:Cast iron into a casting. What is the state of the matter, change, sublimation?: The graphite crucible has good thermal conductivity and high temperature resistance, and the thermal expansion coefficient is small in the process of high temperature use, and has a certain anti strain property for hot and cold quenching. The corrosion resistance of acid and alkaline solution is strong, and it has good chemical stability.

Q:Who is the melting point of graphite and diamond?: When material melts, molecular crystals need to destroy intermolecular forces; atomic crystals need to destroy covalent bonds; ionic crystals need to destroy ionic bonds; metal crystals need to destroy metal bonds. The stronger the bond, the higher the energy required for the breaking key, the higher the melting point.

Q:Is it possible to customize the shape or design of a graphite crucible?: Yes, it is possible to customize the shape or design of a graphite crucible. Graphite is a highly versatile material that can be molded and shaped into various forms. Graphite crucibles are often used in industries such as metallurgy, foundries, and laboratories for melting and casting metals. To customize the shape or design of a graphite crucible, manufacturers use specialized techniques such as CNC machining or graphite molding. CNC machining involves using computer-controlled machines to precisely shape the graphite material into the desired form. This method allows for highly accurate and complex designs to be created. Alternatively, graphite molding is a process that involves compressing graphite powder into a specific shape using a mold. This method is often used for simpler and more standard crucible shapes. Customization of graphite crucibles can include altering the dimensions, adding handles or spouts, or creating unique designs to suit specific applications. The customization process allows for the crucible to be tailored to the specific requirements of the user, ensuring optimal performance and efficiency. It is worth noting that while customizing the shape or design of a graphite crucible is possible, it may come with additional costs and lead times. This is because the customization process requires specialized equipment and expertise. Therefore, it is essential to communicate with the manufacturer or supplier to discuss the customization options, feasibility, and any associated costs.

Q:How do you ensure uniform heating of a graphite crucible?: To ensure uniform heating of a graphite crucible, it is important to properly preheat the crucible before use. This can be done by placing the crucible in a furnace or heating device and gradually increasing the temperature to the desired level. Additionally, it is crucial to ensure that the heat source is evenly distributed around the crucible to prevent hotspots. This can be achieved by using a well-designed heating system that provides consistent heat distribution. Regularly rotating the crucible during the heating process can also help in achieving uniform heating.

Q:How do you determine the melting capacity of a graphite crucible?: The melting capacity of a graphite crucible can be determined by considering its volume and the material it is made of. The volume of the crucible can be measured accurately, and it is essential to ensure that it is not overloaded beyond its capacity. The melting capacity also depends on the quality and purity of the graphite material used in the crucible. Higher-quality graphite crucibles can withstand higher temperatures and have a greater melting capacity compared to lower-quality ones. Therefore, it is crucial to refer to the manufacturer's specifications or consult experts to determine the melting capacity of a graphite crucible accurately.

Q:The difference between single graphite furnace graphite furnace atomic absorption spectrophotometer and double graphite furnace: The graphite furnace atomic absorption spectrometer and the flame atomic absorption spectrophotometer belong to the atomic absorption spectrometer. They are composed of light source, atomization system, spectroscopic system and detection system.

Q:Graphite products are mainly used in what industry?: For casting, casting, molding and high-temperature metallurgical material: Graphite due to thermal expansion coefficient is small, and the capability of cold and hot change, can be used as a mold of the glass, the use of graphite after black metal castings get precise size, smooth surface, high rate of finished products, can be used without processing or minor processing, thus saving a lot of metal. A powder metallurgy process, such as hard alloy, usually made of graphite material and used as a porcelain boat for press and sintering. The crystal growth of monocrystalline silicon, crucible, zone refining vessel, bracket, jig and induction heater are all made of high purity graphite. In addition, graphite can be used as vacuum heating graphite insulation plate and base, high temperature resistance furnace tube, rod, plate, lattice and other components.

Q:Can graphite crucibles be used for semiconductor doping?: No, graphite crucibles cannot be used for semiconductor doping because graphite can contaminate the semiconductor material, affecting its electronic properties.

Q:What are the different methods of sealing a graphite crucible?: There are several methods of sealing a graphite crucible, each with its own advantages and considerations. One common method is the use of a graphite cement or adhesive. This involves applying the cement or adhesive to the joints or seams of the crucible and allowing it to dry or cure. The advantage of this method is that it forms a strong and durable seal, ensuring that the crucible remains tightly sealed during high-temperature applications. However, it can be time-consuming and may require periodic reapplication to maintain the seal. Another method is the use of a graphite crucible cover or lid. This involves placing a lid or cover on top of the crucible to create a seal. The advantage of this method is that it is relatively quick and easy to implement. However, it may not provide as tight of a seal as other methods, and care must be taken to ensure that the lid or cover is properly aligned and fitted to the crucible. Some crucibles may also be sealed using a combination of mechanical fasteners, such as bolts or clamps, and a high-temperature gasket material. This method involves securing the crucible joints using the fasteners and then applying a gasket material to create a tight seal. The advantage of this method is that it provides a reliable and secure seal, even under high-temperature conditions. However, it may require additional time and effort to install and remove the fasteners and gasket material. It's important to note that the specific method of sealing a graphite crucible may depend on the specific application and requirements. Factors such as the operating temperature, duration, and type of material being processed should be taken into consideration when selecting the appropriate sealing method. Additionally, it is recommended to consult the manufacturer's guidelines and instructions for the specific crucible being used to ensure proper sealing techniques are followed.

Q:Can graphite crucibles be used for crystal growth?: Yes, graphite crucibles can be used for crystal growth. Graphite crucibles are known for their high melting point, chemical resistance, and low reactivity with most substances. These properties make them suitable for creating an environment conducive to crystal growth by maintaining stable temperatures and protecting the crystals from contamination. Additionally, graphite crucibles are often preferred for their durability and ability to withstand thermal shock, making them a popular choice for crystal growth applications.

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