Best Crucible Graphite - SIC Crucibles with High Heat Resistance

Best Crucible Graphite - SIC Crucibles with High Heat Resistance System 1

Best Crucible Graphite - SIC Crucibles with High Heat Resistance System 2

Best Crucible Graphite - SIC Crucibles with High Heat Resistance System 3

Best Crucible Graphite - SIC Crucibles with High Heat Resistance System 4

Best Crucible Graphite - SIC Crucibles with High Heat Resistance

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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 Crucibles,SIC Graphite Crucible, Graphite Crucible with Hihg Heat Resistance 2015

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

SiC Crucibles,SIC Graphite Crucible, Graphite Crucible with Hihg Heat Resistance 2015

Physicochemical Properties of graphite crucible:

Features of SiC 95% silicon carbide sic crucible

1. resistance to deformation at high temperature,

2. thermal shock resistance, wear resistance, corrosion resistance.

3. anti-oxidation, anti- erosion.

Usage of SiC 95% silicon carbide sic crucible

electricity and steel slag trench,

coal chemical and mining transport pipeline.

		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

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: Can graphite crucibles be used for melting iron?: Melting iron cannot be done using graphite crucibles. Although graphite crucibles are commonly utilized for melting metals like gold, silver, and copper due to their ability to conduct heat well and endure high temperatures, they are not appropriate for iron melting. The reason is that iron has a significantly higher melting point compared to other metals, reaching approximately 1,535 degrees Celsius (2,795 degrees Fahrenheit). Graphite crucibles have a temperature limit, typically around 1,200 degrees Celsius (2,192 degrees Fahrenheit) or lower. Consequently, if exposed to the extreme heat required for iron melting, graphite crucibles would risk breaking down, losing their structural integrity, and contaminating the molten iron. For melting iron, it is preferable to use materials with higher melting points and better resistance to high temperatures, such as clay-graphite or silicon carbide crucibles. These crucibles can withstand the intense heat necessary for iron melting while maintaining their shape and integrity. Choosing the appropriate crucible material based on the specific metal being melted is crucial to ensure safety, efficiency, and quality in the melting process.

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 jewelry making?: Certainly, jewelry making can make use of graphite crucibles. Graphite crucibles possess a remarkable melting point, rendering them perfect for the melting and casting of valuable metals like gold, silver, and platinum. Furthermore, they exhibit exceptional resistance to thermal shock and possess commendable thermal conductivity, which promotes efficient and uniform heat dispersion. In addition, graphite crucibles show chemical inertness, ensuring that they do not react with molten metals and thus do not taint the jewelry being produced. Consequently, they have become a favored selection among jewelers and artisans who necessitate a dependable and long-lasting crucible for their jewelry making procedures.

Q: Are there any specific cleaning agents or methods recommended for graphite crucibles?: Yes, there are specific cleaning agents and methods recommended for graphite crucibles. Graphite crucibles should be cleaned using a mixture of water and potassium nitrate or hydrochloric acid. The crucible should be soaked in this solution for a specific duration and then rinsed thoroughly with water. Additionally, a soft brush can be used to remove any stubborn residue. It is important to follow the manufacturer's guidelines and safety precautions while cleaning graphite crucibles.

Q: How do you use crucibles to process copper?: How to play lining, you can check the relevant information on Baidu. The working principle of intermediate frequency furnace is induction heating, the inductor is energized, producing dense magnetic lines, cutting the metal in the crucible, generating an electric furnace, and the metal itself generates heat to melt the metal. The power frequency furnace can also pull copper wires.

Q: What is the main function of graphite?: Graphite has good chemical stability. After special processing of graphite, with corrosion resistance, good thermal conductivity, low permeability, is widely used in the manufacturing of the heat exchanger, the reaction tank, condenser, combustion tower, absorption tower, cooler, heater, filter and pump equipment. Widely used in petroleum, chemical, hydrometallurgy, acid and alkali production, synthetic fiber, papermaking and other industrial sectors, can save a lot of metal materials.

Q: Can a graphite crucible be used for melting rare earth metals?: Yes, a graphite crucible can be used for melting rare earth metals. Graphite is a highly suitable material for high-temperature applications due to its excellent thermal conductivity and resistance to thermal shock. It can withstand the high temperatures required to melt rare earth metals without melting or reacting with them. Additionally, graphite crucibles are typically chemically inert, which means they will not contaminate the molten rare earth metals, allowing for a clean and reliable melting process. However, it is important to ensure that the graphite crucible is specifically designed for high-temperature applications and is of high quality to ensure optimal performance and longevity.

Q: Can a graphite crucible be used for non-ferrous metals?: Indeed, non-ferrous metals can absolutely be melted using a graphite crucible. Foundries and laboratories frequently utilize graphite crucibles for the purpose of melting and casting non-ferrous metals like gold, silver, copper, aluminum, and zinc. The reason graphite is widely favored for high-temperature applications is due to its exceptional thermal conductivity and high melting point. It possesses the ability to withstand the extreme heat required to melt non-ferrous metals, all the while avoiding any possibility of melting or chemically reacting with the molten metal. Furthermore, graphite crucibles exhibit impressive resistance to thermal shock and are relatively manageable and easy to clean. As a result, they are the preferred choice in various industries when it comes to melting non-ferrous metals.

Q: Can a graphite crucible be used for smelting or refining ores?: Certainly! A graphite crucible is capable of being utilized for the purpose of smelting or refining ores. High-temperature applications, such as metal smelting and refining, often rely on the usage of graphite crucibles. Due to its exceptional thermal conductivity and high melting point, graphite emerges as an optimal material for effectively containing and distributing heat throughout the smelting or refining procedure. Furthermore, the chemical resistance of graphite crucibles proves to be advantageous as it enables them to endure the corrosive properties of both the ores and the chemicals involved in the refining process. All in all, graphite crucibles are widely favored for smelting and refining operations due to their robustness, ability to withstand extreme heat, and chemical stability.

Q: How does the electrical resistivity of graphite affect the performance of a crucible?: The electrical resistivity of graphite affects the performance of a crucible by influencing its ability to conduct heat. Graphite has low electrical resistivity, which allows it to efficiently transfer heat to the substance being melted or heated in the crucible. This results in faster and more uniform heating, which is beneficial for various high-temperature applications such as melting metals or glass. Additionally, low electrical resistivity helps to prevent the buildup of excessive heat within the crucible, reducing the risk of thermal stress or damage.

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