30 oz Kerr Graphite Crucible

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Pieces pc

Supply Capability:: 10000 Pieces per Month pc/month

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Detailed Product Description

Graphite Crucible with 30 oz/1kg melting capacity which could fit Kerr electro melt oven to melting gold, silver, copper.,etc.

Graphite Crucible 1 Kilo, Fits Kerr Electric Auto Furnace

Item Description

Graphite Crucible 1 Kilo, Fits Electric Auto Furnace.
This is a new Graphite Crucible designed for the Hand held Melting Furnace.
Can be used for all metal types, like gold ,silver,copper etc.
This model has the groove in the top for the wire type crucible tongs.
Measurements :
Top outside diameter (mm) : 57mm
Top inside diameter (mm) : 43 mm
Height with the top (mm) : 125.9mm

Q: How to cast aluminum parts: It's simple. First put the aluminum into the graphite crucible, and the equipment is preferably a medium frequency induction furnace.

Q: Can graphite crucibles be used for carbonization processes?: Yes, graphite crucibles can be used for carbonization processes. Graphite is an excellent material for high-temperature applications due to its superior thermal conductivity and resistance to thermal shock. In carbonization processes, where carbon-rich materials are heated to high temperatures in the absence of oxygen, graphite crucibles are commonly used to contain and heat the materials. The high thermal conductivity of graphite ensures efficient heat transfer, enabling uniform heating and minimizing heat loss. Additionally, graphite's resistance to thermal shock allows it to withstand rapid temperature changes during the carbonization process. Overall, graphite crucibles are a reliable and suitable choice for carbonization processes.

Q: Are graphite crucibles suitable for melting composite propellants?: Composite propellants are generally unsuitable for melting in graphite crucibles. Composite propellants are composed of oxidizers, fuels, and binders, which can be highly reactive and corrosive. Although graphite is known for its high melting point and resistance to high temperatures, it can react with certain components of composite propellants. When exposed to certain oxidizers like ammonium perchlorate, which is commonly found in composite propellants, graphite crucibles can undergo chemical reactions and erosion. This can result in contamination of the propellant and impact its performance. Additionally, the binders used in composite propellants can also react with graphite, causing the crucible to degrade and potentially fail. To melt composite propellants, it is advisable to use crucibles made from materials specifically designed for this purpose, such as ceramic or refractory metal crucibles. These materials have superior resistance to the corrosive nature of composite propellants and can withstand the high temperatures involved in the melting process.

Q: Can graphite crucibles be used for eutectic growth?: Graphite crucibles possess the ability to facilitate eutectic growth. Eutectic growth entails the solidification of a specific mixture of metals or elements known as a eutectic alloy. Graphite crucibles are frequently employed in high-temperature circumstances due to their exceptional thermal conductivity and resistance to chemical reactions. These attributes render them suitable for containing and heating eutectic alloys to the necessary temperature for regulated solidification. Furthermore, graphite crucibles exhibit remarkable thermal stability, enabling them to endure the thermal fluctuations inherent in the eutectic growth process. Consequently, graphite crucibles represent a favored option for conducting eutectic growth experiments or fulfilling the requirements of industrial applications that demand controlled solidification of eutectic alloys.

Q: Why does the graphite crucible used for molten gold add a quartz coat?: The melting point of gold is 1063 degrees Celsius. At this temperature, graphite reacts with oxygen in the air to produce carbon dioxide. The quartz coat may be used to prevent leakage of graphite crucibles

Q: How does the oxidation resistance of graphite affect the performance of a crucible?: The performance of a crucible is heavily influenced by the oxidation resistance of graphite. Graphite is a commonly chosen material for crucibles due to its high melting point, thermal conductivity, and chemical inertness. However, it is prone to oxidation at high temperatures, which can negatively impact the crucible's performance. When oxygen reacts with carbon atoms in graphite, oxidation occurs, resulting in the formation of carbon dioxide or carbon monoxide gas. This process causes the degradation of the graphite structure, leading to the loss of its desirable properties. Consequently, the crucible may become weak, brittle, and develop cracks or holes, compromising its ability to withstand high temperatures and corrosive environments. To maintain the integrity and longevity of a crucible, it is crucial to consider its oxidation resistance. Graphite materials with higher oxidation resistance can endure exposure to oxygen at elevated temperatures without significant degradation. They can resist the formation of carbon dioxide or carbon monoxide gas, preserving their structural integrity and ensuring the crucible remains intact, even during repeated heating and cooling cycles. A crucible with good oxidation resistance will have a longer lifespan, as it can withstand high-temperature applications without experiencing significant wear or damage. It will also retain its thermal conductivity, which is essential for efficient heat transfer and uniform temperature distribution during processes like melting, casting, or chemical reactions. Additionally, 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 held in the crucible. This is particularly problematic in industries like metallurgy or semiconductor manufacturing, where high purity is crucial for the quality of the final product. In conclusion, the oxidation resistance of graphite plays a vital role in determining the performance of a crucible. Opting for a crucible made from graphite with high oxidation resistance ensures a longer lifespan, maintained structural integrity, and the preservation of material purity. Therefore, careful consideration of oxidation resistance when selecting a crucible material is essential for achieving optimal performance and cost-effectiveness in various industrial applications.

Q: What is the importance of carbon graphite as biological material?: What is the importance of carbon graphite as biological material?Because graphite has many excellent properties, it has been widely used in metallurgy, mechanical, electrical, chemical, textile, national defense and other industrial sectors.

Q: Can graphite crucibles be used for plasma arc melting?: Yes, graphite crucibles can be used for plasma arc melting. Graphite has excellent heat resistance and electrical conductivity properties, making it suitable for containing and melting materials under high temperatures generated by plasma arcs.

Q: How is a graphite crucible used in the production of graphite electrodes?: A graphite crucible is an essential tool used in the production of graphite electrodes. Graphite electrodes are widely used in industries such as steelmaking, electric arc furnaces, and various other high-temperature applications. In the production process, a graphite crucible is used to hold and melt raw materials used for creating graphite electrodes. The crucible is made of high-quality graphite material, which has excellent thermal conductivity and can withstand extremely high temperatures. To begin, the raw materials are placed inside the graphite crucible. These materials typically consist of a mixture of petroleum coke, coal tar pitch, and other additives. Once loaded, the crucible is placed in a furnace or an electric arc furnace, where it is subjected to intense heat. As the temperature rises, the raw materials inside the crucible begin to melt and react with each other. Various chemical reactions take place, leading to the formation of a homogenous molten mass. The molten mixture is then carefully poured into molds, where it solidifies and takes the shape of a graphite electrode. The use of a graphite crucible is critical in this process for several reasons. Firstly, graphite has a high melting point, making it ideal for containing and withstanding the extreme temperatures required for melting the raw materials. The crucible also ensures that the molten mixture remains separate from the furnace, preventing any impurities or contaminants from affecting the quality of the final electrode. Furthermore, the thermal conductivity of graphite allows for efficient heat transfer, ensuring that the entire mass of raw materials melts uniformly. This uniformity is crucial for obtaining consistent and high-quality graphite electrodes. Additionally, the chemical inertness of graphite prevents any reactions between the crucible and the molten mixture, ensuring that the purity of the final electrode is not compromised. In conclusion, a graphite crucible plays a vital role in the production of graphite electrodes by providing a reliable and efficient container for melting raw materials. Its high melting point, thermal conductivity, and chemical inertness make it an ideal choice for this application, ensuring the production of high-quality graphite electrodes that meet the stringent requirements of various industries.

Q: Can graphite crucibles be used for melting food-grade materials?: Using graphite crucibles for melting food-grade materials is not recommended. Graphite, a type of carbon, has the potential to release impurities or contaminants when exposed to high temperatures. If these impurities are ingested or come into contact with food, they can be harmful. To ensure the safety and quality of the end product, it is advised to utilize food-grade materials like stainless steel or ceramic when melting food-grade materials.

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1. Manufacturer Overview

Location	Guangdong,China (Mainland)
Year Established	2010
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Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
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