Graphite Vs Ceramic Crucible - SIC Graphite Crucibles for Melting Aluminium, Copper, Brass 2024

Graphite Vs Ceramic Crucible - SIC Graphite Crucibles for Melting Aluminium, Copper, Brass 2024 System 1

Graphite Vs Ceramic Crucible - SIC Graphite Crucibles for Melting Aluminium, Copper, Brass 2024 System 2

Graphite Vs Ceramic Crucible - SIC Graphite Crucibles for Melting Aluminium, Copper, Brass 2024 System 3

Graphite Vs Ceramic Crucible - SIC Graphite Crucibles for Melting Aluminium, Copper, Brass 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 For Gold, 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 For Melting Aluminium And Copper, Brass 2015

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

Q: How to break 40 low carbon steel smelting: Only by argon arc welding in small diameter pipes, piping, is a commonly used method for ITU argon welding section, then replace the consumption of electrode for welding wire, ultra low carbon in the coefficient multiplied by 1.15.

Q: What is the purpose of using a graphite crucible?: The primary function of a graphite crucible is to contain and endure high temperatures in diverse industrial procedures. Graphite possesses exceptional refractory properties, which means it can withstand intense heat without easily melting or reacting with surrounding materials. This makes graphite crucibles highly suitable for tasks involving metal melting, casting, and purification. Graphite crucibles find widespread usage in foundries, laboratories, and manufacturing facilities that require temperatures surpassing the melting point of most metals. The crucible serves as a vessel for the molten metal, preventing its escape and ensuring precise control over the melting process. Moreover, graphite crucibles exhibit outstanding thermal conductivity, enabling efficient heat transfer to the substance being melted. This facilitates uniform heating and consistent melting, resulting in the production of high-quality end products. Additionally, graphite's high thermal shock resistance allows for rapid heating and cooling cycles without causing any harm to the crucible. Graphite crucibles are also chemically inert, meaning they do not react with the majority of substances. This renders them suitable for handling various corrosive materials or compounds that have the potential to react with other materials. The inert nature of graphite guarantees the preservation of the purity and integrity of the materials being processed. In conclusion, the purpose of employing a graphite crucible is to provide a long-lasting, heat-resistant, and chemically inert container for high-temperature operations such as melting, casting, and purification. The ability of graphite crucibles to endure extreme heat, exhibit excellent thermal conductivity, and remain chemically inert makes them indispensable tools in a wide array of industrial applications.

Q: Can a graphite crucible be used for laser melting applications?: No, a graphite crucible cannot be used for laser melting applications because graphite has a high absorption rate for laser energy, which would cause it to quickly heat up and potentially damage the crucible.

Q: Can graphite crucibles be used for melting thermoplastics?: No, graphite crucibles cannot be used for melting thermoplastics. Graphite crucibles are typically used for high-temperature applications such as melting metals and alloys due to their high melting point and excellent thermal conductivity. Thermoplastics have much lower melting points and require crucibles made of materials such as stainless steel or ceramic to withstand the lower temperatures and prevent contamination.

Q: What are the two methods of atomization? What orders of magnitude can be measured?: Arsenic, quartz furnace atomizer (quartz furnace atomizer). The cathode sputtering atomizer burner is composed of three parts, the cathode surface characteristics, lead antimony, atomic absorption spectroscopy determination of a variety of elements, the pre mixing chamber is produced by glow discharge ion bombardment: Determination of C for refractory elements.

Q: What is the recommended fluxing method for a graphite crucible?: To ensure optimal results and prolong the lifespan of the crucible, it is advised to preheat the graphite crucible before usage, as per the recommended fluxing method. This preheating process aids in the elimination of any moisture or impurities that might be present. Subsequently, the flux material can be introduced once the crucible has been adequately preheated. The flux material serves the purpose of preventing oxidation of the graphite crucible and facilitating the removal of impurities from the molten metal. The specific application and the metal being melted will determine the type and quantity of flux material to be employed. It is crucial to adhere to the manufacturer's guidelines regarding the appropriate flux material and application technique in order to achieve optimal outcomes and ensure the crucible's longevity.

Q: Are graphite crucibles suitable for vacuum induction melting?: Yes, graphite crucibles are suitable for vacuum induction melting. Graphite has excellent thermal conductivity and high melting point, making it ideal for withstanding the high temperatures and intense heat generated during the melting process. Furthermore, graphite has low reactivity with most metals, ensuring minimal contamination during the melting process.

Q: Why does the graphite crucible used for molten gold add a quartz coat?: Graphite crucible is afraid of high temperature, but high temperature oxidation, Shi Huang coat is not oxidized to protect the crucible.

Q: Can a graphite crucible be used for non-ferrous metals?: Yes, a graphite crucible can be used for non-ferrous metals. Graphite crucibles are known for their high melting point, good thermal conductivity, and resistance to chemical reactions, making them suitable for melting and holding various non-ferrous metals like gold, silver, copper, aluminum, and more.

Q: Is it possible to achieve a controlled atmosphere inside a graphite crucible?: Achieving a controlled atmosphere inside a graphite crucible is indeed possible. Graphite crucibles find common usage in high-temperature applications, particularly for melting metals and alloys. Various methods can be employed to achieve a controlled atmosphere. One approach involves the use of a gas purging system. This entails introducing a specific gas into the crucible to create the desired atmosphere. For instance, if an inert atmosphere is necessary, gases like argon or nitrogen can be used to displace any oxygen or other reactive gases present. The gas flow rate and pressure can be adjusted to maintain the desired atmosphere. Another method involves creating a sealed environment around the crucible. This can be accomplished by utilizing a furnace or an induction heating system equipped with a gas-tight enclosure. By controlling the gas composition and pressure within this enclosure, a specific atmosphere can be maintained surrounding the crucible. Moreover, the choice of crucible material is crucial to consider. Graphite possesses high thermal conductivity, allowing for rapid heat transfer. However, it can also react with certain gases or metals at elevated temperatures. Hence, selecting the appropriate grade of graphite and ensuring proper crucible conditioning are essential in maintaining a controlled atmosphere. Ultimately, by utilizing suitable equipment and employing effective techniques, it is feasible to establish a controlled atmosphere inside a graphite crucible, thereby enabling precise control of the environment during high-temperature processes.

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