5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024

5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024 System 1

5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024 System 2

5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024 System 3

5 Kg Graphite Crucible - SIC Crucibles, SIC Graphite Crucible, Graphite Crucible 2024

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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,SIC Graphite Crucible, Graphite Crucible 2015

Graphite crucible can withstand the high temperature, and has good resistance to chemical erosions and thermal shock. Especially graphite crucible is ideal for the melting of aluminum, copper and etc.

Bulk Density	g/cc	1.70-1.88
Specific Resistance	μΩ.m	6.0-15.0
Compressive Strength	MPa	30-80
Bending Strength	MPa	20-45
Shore hardness		30-70
C.T.E.(100-600°C)	x10-6 /°C	2.5-5.5
Ash	%	0.01-0.2
Maximum Grain Size	mm	0.044-0

Q:Are there any special precautions to be taken while using graphite crucibles?: Yes, there are a few special precautions to be taken while using graphite crucibles. Firstly, it is important to handle them with care as they can be brittle and prone to cracking. It is advisable to avoid sharp impacts or sudden temperature changes to prevent damage. Additionally, graphite crucibles can release small amounts of graphite dust, so it is recommended to wear protective gloves and a mask while handling them to avoid inhalation. Lastly, it is crucial to clean the crucibles properly after each use to remove any impurities or residues that may affect future experiments or reactions.

Q:How do you prevent graphite crucibles from erosion during use?: To prevent erosion during the use of graphite crucibles, it is crucial to follow several key measures: 1. Begin with Proper Preconditioning: Prior to using a new graphite crucible, it is imperative to gradually heat it to high temperatures and then gradually cool it down. This process eliminates any impurities on the surface and enhances its erosion resistance. 2. Handle with Care: It is vital to handle graphite crucibles cautiously to prevent physical damage that may result in erosion. Avoid dropping or banging them against hard surfaces, and use appropriate tools for handling. 3. Control Heating and Cooling: Rapid and extreme temperature fluctuations can lead to thermal shock and expedite erosion. It is essential to heat and cool the crucible gradually and uniformly, avoiding sudden changes in temperature. 4. Choose the Right Flux: The selection of flux greatly impacts crucible erosion. It is important to opt for a flux that is compatible with graphite and has a minimal corrosive effect. Regularly check and maintain the flux composition to prevent erosion. 5. Maintain Regular Cleaning: After every use, it is crucial to thoroughly clean graphite crucibles to eliminate any residue or impurities that could cause erosion. Utilize appropriate cleaning techniques and materials to avoid scratching or damaging the crucible. 6. Prevent Contamination: Contamination from foreign materials can contribute to erosion. It is vital to ensure that only suitable materials are used in the crucible and that it does not come into contact with any foreign substances during use. By implementing these preventive measures, erosion can be significantly reduced, extending the lifespan of graphite crucibles and ensuring their optimal performance and cost-effectiveness.

Q:What are the advantages of a graphite furnace atomizer compared to a flame atomizer?: Flame atomizer: it consists of three parts: sprayer, premixing chamber and burner. Features: easy operation and good reproducibility.

Q:How do you determine the appropriate crucible pouring spout for a specific application?: To determine which crucible pouring spout is suitable for a specific application, several factors must be taken into account. First, the material being poured needs to be assessed. Different materials possess varying properties, such as viscosity and temperature range, which will impact the design of the crucible pouring spout. For instance, if a highly viscous material is being poured, a wider spout may be necessary to facilitate smoother flow. Secondly, the volume and pouring rate should be considered. Pouring large quantities of material quickly may require a larger spout with a wider opening to enable faster pouring. Conversely, if smaller amounts are being poured or if more control over the flow is desired, a narrower spout may be preferable. Moreover, the size and shape of the target container or mold should be taken into consideration. The spout should be designed in a manner that allows for easy and accurate pouring into the specific shape and size of the container. Additionally, it should offer good visibility, enabling the operator to monitor the pouring process. Furthermore, the type of pouring method employed is crucial. If a gravity pouring method is used, where the crucible is tilted to pour the material, the spout should be positioned and shaped in a way that ensures a controlled and smooth flow. If a vacuum or pressure-assisted pouring method is utilized, the spout design should accommodate the necessary connections and guarantee proper flow under the given conditions. Lastly, safety is of utmost importance. The crucible pouring spout should be designed to minimize the risk of spills, splashes, or other accidents during the pouring process. It should feature appropriate handles or grips for easy and secure handling, and it should be fabricated from a material capable of withstanding the temperature and chemical exposure associated with the specific application. In conclusion, selecting the appropriate crucible pouring spout for a specific application necessitates careful consideration of the material properties, pouring volume and rate, target container, pouring method, and safety requirements. By thoroughly evaluating these factors, one can choose a spout that optimizes the pouring process for the given application.

Q:What is the use of graphite for corrosion resistance?: The corrosion resistance of graphite with good thermal conductivity, low permeability, can be used for the production of heat exchanger, reactor, condenser, combustion tower, absorption tower, cooler, heater, filter and pump equipment.

Q:Is it possible to repair a cracked or damaged graphite crucible?: Yes, it is possible to repair a cracked or damaged graphite crucible. However, the success of the repair depends on the extent and location of the damage. Graphite crucibles are typically repaired using a specialized graphite repair compound or paste. This compound is applied to the cracked or damaged area and then heated to cure and bond with the existing graphite material. The repaired crucible can then be used again for various high-temperature applications. It is important to note that the repair process may not always be successful, especially if the damage is severe or if the crucible has been compromised in a critical area. In such cases, it may be necessary to replace the crucible to ensure the integrity and safety of the process.

Q:Can graphite crucibles be used for alloy preparation?: Alloy preparation can indeed utilize graphite crucibles. These crucibles find wide usage in metallurgy and foundry applications owing to their remarkable attributes such as high melting point, chemical resistance, and thermal conductivity. The ability to endure the high temperatures essential for alloy preparation and the capability to melt different metals and alloys make graphite crucibles highly suitable. Furthermore, the melting process benefits from the stability and control provided by graphite crucibles, enabling precise alloy composition and uniformity. Moreover, graphite crucibles exhibit exceptional resistance to thermal shock, ensuring they remain intact even during sudden temperature fluctuations. Consequently, graphite crucibles emerge as a dependable choice for alloy preparation across diverse industries like automotive, aerospace, and manufacturing.

Q:Who knows the method for determining the total iron content in iron ore?: Iron ore is the basic raw material of iron and steel industry, can be smelted into pig iron, wrought iron, iron alloy, carbon steel, alloy steel, special steel, etc.. Used in blast furnace iron ore, the total iron TFe (total iron content) = 50%, S = 0.3%, P = 0.25%, Cu = 0.2%, Pb = 0.1%, Zn = 0.1%, Sn = 0.08%, and mined the original iron ore grade is only 20% ~ 40%. by enrichment, can be the ore grade is increased to 50% to 65%. China imports large quantities of iron ore from abroad every year.

Q:Can graphite crucibles be used for crystal growth?: Crystal growth can indeed utilize graphite crucibles. Graphite possesses numerous properties that render it suitable for this purpose. Firstly, graphite boasts a high melting point, enabling it to withstand the elevated temperatures required for crystal growth. Secondly, graphite exhibits excellent thermal conductivity, ensuring even heat distribution throughout the growth process. Thirdly, graphite is chemically inert, signifying its lack of reaction with most substances. This attribute is crucial for maintaining the purity of the growing crystal. Furthermore, graphite crucibles find frequent application in crystal growth techniques like the Czochralski method. In this method, a seed crystal is immersed in a molten solution and gradually withdrawn to facilitate the growth of a larger crystal. In conclusion, graphite crucibles are widely used and ideally suited for crystal growth due to their high melting point, good thermal conductivity, and chemical inertness.

Q:Are there different sizes available for graphite crucibles?: Yes, there are different sizes available for graphite crucibles. Graphite crucibles come in a variety of sizes to accommodate different needs and applications. They can range from small crucibles used in jewelry making or small-scale laboratory experiments to larger crucibles used in industrial applications like metal casting or melting. The size of the crucible needed depends on the amount of material to be melted or processed and the specific requirements of the application. Thus, various sizes are available to cater to different needs and ensure efficient and effective use of graphite crucibles.

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