Silicon Carbide Graphite Crucible Amazon

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 5 Pieces pc

Supply Capability:: 10000 Pieces per Month pc/month

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Detailed Product Description

1. Top quality crucibles offer consistent performance when melting ferrous, onferrous and precious metals.

2. Good thermal conductivity keeps metal from cooling too rapidly. Made of natural flake graphite and silicon carbide bonded with find clay, lined with mullite for long life.

Specification:

NO	Modle Number	Up Dia(mm)	Down Dia(mm)	High(mm)
1	80#	300	175	358
2	100#	326	200	366
3	120#	345	195	383
4	150#	370	192	430
5	200#	398	220	490
6	250#	450	240	550
7	300#	470	240	573
8	350#	485	275	610
9	400#	520	282	648
10	500#	540	313	698
11	800#	630	335	720
12	1000#	640	380	773

Q:Is the yellow metal in the graphite rock gold?: Not necessarily. Many minerals are also golden.Specific is not gold, you can easily test from the hardness, gold is very soft metal.

Q:Can graphite crucibles be used for powder metallurgy?: Yes, graphite crucibles can be used for powder metallurgy. Graphite is an excellent material for high-temperature applications and is commonly used in powder metallurgy processes. Graphite crucibles have a high melting point and excellent thermal conductivity, making them ideal for melting and holding metal powders during sintering or melting processes. Additionally, graphite crucibles have good chemical resistance, allowing them to withstand the corrosive effects of certain metal powders. Overall, graphite crucibles are a reliable and efficient choice for powder metallurgy applications.

Q:Graphite crucible heat resistance, then graphite crucible can ignite? Charcoal is mainly composed of graphite, why charcoal can be ignited?: Is not the same as the graphite crystal transition in carbon charcoal, but amorphous carbon, no C-C covalent bond. Charcoal ignition point is 320-370 DEG C, the general fire than the high temperature, so the charcoal can be ignited.

Q:How do you determine the appropriate crucible tongs for a specific application?: To determine the appropriate crucible tongs for a specific application, you need to consider several factors. First, assess the size and shape of the crucible you will be using. Ensure that the tongs can securely grip and handle the crucible without any risk of slippage or damage. Additionally, consider the material being used in the crucible and the temperature it will be subjected to. Select tongs made from a material that can withstand the heat and chemical reactivity of the application. Finally, consider the weight of the crucible and the amount of control you require during handling. Choose tongs that are comfortable to hold and provide the necessary grip and control for safe and efficient handling.

Q:How does the oxidation resistance of graphite affect the performance of a crucible?: The oxidation resistance of graphite plays a crucial role in determining the performance of a crucible. Graphite is a commonly used material for crucibles due to its high melting point, thermal conductivity, and chemical inertness. However, graphite is susceptible to oxidation at high temperatures, which can significantly impact the performance of a crucible. Oxidation occurs when oxygen reacts with the carbon atoms in graphite, forming carbon dioxide (CO2) or carbon monoxide (CO) gas. This process leads to the degradation of the graphite structure, causing it to lose its desirable properties. As a result, the crucible may become weak, brittle, and develop cracks or holes, compromising its ability to contain and withstand high temperatures and corrosive environments. The oxidation resistance of graphite is therefore crucial in maintaining the integrity and longevity of a crucible. Graphite materials with higher oxidation resistance can withstand exposure to oxygen at elevated temperatures without significant degradation. They can resist the formation of CO2 or CO gas and retain their structural integrity, ensuring the crucible remains intact and capable of withstanding repeated heating and cooling cycles. A crucible with good oxidation resistance will have a longer lifespan, as it can endure high-temperature applications without significant wear or damage. It will also maintain its thermal conductivity, which is essential for efficient heat transfer and uniform temperature distribution during processes such as melting, casting, or chemical reactions. Furthermore, the oxidation resistance of graphite in a crucible affects the purity of the substances being processed. Oxidation can lead to the formation of impurities, such as carbon dioxide or carbon monoxide, which can contaminate the materials being held in the crucible. This can be particularly problematic in industries such as metallurgy or semiconductor manufacturing, where high purity is essential for the quality of the final product. In conclusion, the oxidation resistance of graphite greatly influences the performance of a crucible. A crucible made from graphite with high oxidation resistance will have a longer lifespan, maintain its structural integrity, and ensure the purity of the materials being processed. Thus, careful consideration of the oxidation resistance when selecting a crucible material is essential for optimal performance and cost-effectiveness in various industrial applications.

Q:Can graphite crucibles be used for melting and casting of non-ferrous metals?: Yes, graphite crucibles can be used for melting and casting of non-ferrous metals. Graphite crucibles are widely used in various industries, including foundries and metalworking, for their excellent thermal conductivity and resistance to high temperatures. Non-ferrous metals, such as aluminum, copper, zinc, and gold, have lower melting points compared to iron and steel, making them suitable for melting in graphite crucibles. The high thermal conductivity of graphite helps to evenly distribute heat throughout the crucible, ensuring efficient melting and casting of non-ferrous metals. Additionally, graphite crucibles have good chemical resistance and low reactivity with non-ferrous metals, which further enhances their suitability for this application. However, it is important to note that graphite crucibles may not be suitable for certain reactive or corrosive metals, as they can react with graphite and affect the quality of the casting.

Q:Can graphite crucibles be used for crystal growth?: Yes, graphite crucibles can be used for crystal growth. Graphite has several properties that make it suitable for this purpose. First, graphite has a high melting point, which allows it to withstand the high temperatures required for crystal growth. Second, graphite has good thermal conductivity, which ensures uniform heat distribution during the growth process. Third, graphite is chemically inert, meaning it does not react with most substances, which is important for maintaining the purity of the crystal being grown. Additionally, graphite crucibles are often used in crystal growth techniques such as the Czochralski method, where a seed crystal is dipped into a molten solution and slowly withdrawn to grow a larger crystal. In summary, graphite crucibles are commonly used and well-suited for crystal growth due to their high melting point, good thermal conductivity, and chemical inertness.

Q:Can graphite crucibles be used for melting bronze?: Yes, graphite crucibles can be used for melting bronze. Graphite crucibles are commonly used in foundries and other metalworking industries because graphite has a high melting point and excellent thermal conductivity. These properties make graphite crucibles suitable for melting various metals, including bronze. Bronze typically melts at temperatures around 950°C (1742°F), which is well within the capabilities of graphite crucibles that can withstand temperatures up to 3000°C (5432°F). Furthermore, graphite crucibles have good resistance to chemical reactions with molten metals, ensuring that the crucible does not contaminate the bronze during the melting process. Therefore, graphite crucibles are a reliable and popular choice for melting bronze and other metals.

Q:Can a graphite crucible be used for melting californium?: No, a graphite crucible cannot be used for melting californium. Californium is a highly reactive and radioactive element, and it requires specialized equipment to handle and melt. Graphite crucibles are commonly used for melting and casting a variety of metals and alloys due to their high melting point and resistance to heat. However, californium has different properties and chemical behavior compared to metals, and it requires a crucible made from a material that can withstand its high levels of radioactivity and reactivity.

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.

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1. Manufacturer Overview
Location	Guangdong,China (Mainland)
Year Established	2010
Annual Output Value
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
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Export Percentage	61% - 70%
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Factory Size:	1,000-3,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
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