30 oz Kerr Graphite Crucible

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Pieces pc

Supply Capability:: 10000 Pieces per Month pc/month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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 is a graphite crucible manufactured?: The process of manufacturing a graphite crucible typically involves isostatic pressing. This technique encompasses placing graphite powder into a mold and subjecting it to high pressure from all directions. By doing so, the graphite particles become evenly compacted, resulting in a dense and uniform crucible. To begin the manufacturing process, the appropriate graphite material must be selected. Typically, high-quality graphite with a low ash content is chosen due to its exceptional thermal conductivity, resistance to high temperatures, and chemical stability. The graphite is then milled into a fine powder to ensure consistent particle size. The next step involves pouring the graphite powder into a flexible rubber mold, which is designed to withstand the high pressure applied during isostatic pressing. It is crucial to carefully seal the mold to prevent any leakage of graphite powder. The sealed mold is then placed inside a high-pressure vessel where hydraulic pressure is applied uniformly from all directions. This pressure compacts the graphite particles, eliminating any voids or porous areas. Moreover, the high pressure helps align the graphite particles, resulting in enhanced mechanical properties. Once the pressing process is complete, the mold is removed, leaving behind a green crucible. This green crucible undergoes a baking process known as carbonization. During carbonization, the crucible is exposed to temperatures of approximately 3000 degrees Celsius in an inert atmosphere. This procedure eliminates volatile materials and further strengthens the crucible. Following carbonization, the crucible undergoes a final machining process to achieve the desired dimensions and a smooth surface finish. This may involve precision grinding, turning, or milling to ensure the crucible meets the required specifications. In summary, the manufacturing of a graphite crucible involves isostatic pressing, which entails compacting graphite powder under high pressure. This process, combined with carbonization and machining, guarantees that the crucible possesses excellent thermal conductivity, resistance to high temperatures, and chemical stability.

Q: Can the graphite crucible be rinsed with water?: Graphite crucibles can be rinsed with water. The graphite crucible will burst when heated.

Q: Procedures for operating high temperature furnaces: A, turn on the main power switchB, fill the furnace with argon to atmospheric pressure, open the front door of the furnace and remove the graphite cover plateC, drive the truck switch to OUTD clean the furnace wall, graphite and insulation material

Q: What are the different methods of preventing graphite crucible deformation?: There are several methods that can be employed to prevent graphite crucible deformation. These methods are aimed at maintaining the structural integrity of the crucible and ensuring its longevity. 1. Proper Handling and Usage: The first and foremost method is to handle the graphite crucible with care and avoid subjecting it to unnecessary mechanical stress. This includes avoiding sudden temperature changes, impact or dropping the crucible, and using appropriate tools for handling. 2. Preheating: Before subjecting the crucible to extreme temperatures, it is advisable to preheat it gradually and evenly. This helps in reducing thermal shock and prevents deformation caused by rapid expansion or contraction. 3. Material Selection: Choosing the right type of graphite material for the crucible is crucial. High-quality graphite with appropriate thermal and mechanical properties should be selected, considering the specific application requirements. This ensures that the crucible can withstand the intended operating conditions without deforming. 4. Reinforcement: In certain cases, reinforcing the crucible can be beneficial. This can be achieved by using a protective coating or lining on the inner surface of the crucible, which provides additional strength and resistance to deformation. 5. Cooling Techniques: Implementing proper cooling techniques post-use can also aid in preventing crucible deformation. Gradually cooling the crucible in a controlled manner can help alleviate stress and minimize the risk of deformation. 6. Regular Maintenance: Crucibles should be inspected regularly for any signs of wear or damage. Any cracks, chips, or deformations should be addressed promptly to prevent further deterioration. Regular cleaning and proper storage also contribute to maintaining the crucible's structural integrity. By implementing these methods, the risk of graphite crucible deformation can be minimized, leading to improved performance, longer lifespan, and reduced costs associated with replacement or repairs.

Q: How is graphite formed?: Graphite is widely used in industry and is used in almost every industry. Industrial multi-purpose graphite is artificial graphite, that is, special graphite. They can be divided into the following ways according to their forming.

Q: Are graphite crucibles suitable for vacuum induction melting?: Vacuum induction melting is well-suited for the use of graphite crucibles. This is because graphite is a stable and inert material, making it ideal for high temperature and vacuum environments. Graphite can withstand the extreme heat and pressure conditions required for vacuum induction melting. When it comes to thermal conductivity, graphite crucibles excel. They efficiently transfer heat to the metal being melted, ensuring uniform heating and melting. This results in consistent and reliable outcomes. Additionally, graphite crucibles are resistant to thermal shock, meaning they can handle rapid temperature changes without cracking or breaking. Moreover, graphite crucibles exhibit good chemical resistance, which is crucial when melting reactive metals or alloys. They can endure the corrosive effects of molten metals, preventing contamination and maintaining the purity of the material being melted. To summarize, graphite crucibles are highly suitable for vacuum induction melting due to their stability, resistance to high temperatures, thermal conductivity, resistance to thermal shock, and chemical resistance. These crucibles offer a dependable and efficient method of melting metals under vacuum conditions, making them the preferred choice in various industrial applications.

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.

Q: What is the porcelain crucible with a small hole under it?: Is the crucible, crystalline form of natural graphite as the main raw material, plastic refractory clay as binder, refractory graphite crucible with different types of clinker with which is mainly used in smelting special alloy steel, nonferrous metals and alloy melting. Graphite crucibles are an integral part of refractories in terms of their properties and uses.

Q: Why graphite and diamond is composed of carbon graphite, but not light, is black, and the diamond is urgently in light!: Because they are allotropes. The structure determines the nature of diamond (diamond). The spatial configuration is tetrahedron structure (SP3 hybrid), and graphite is a planar type (hybrid SP2).

Q: What are the catalysts for making SiC from rice husk?: A method for manufacturing silicon carbide using carbonized rice husk as the main ingredients: Carbonized rice husk and coke silica into sodium hydroxide and water by hydrothermal method, in 200 - 300 DEG C to 24 + 5 hours temperature, pressure and 50 - 1500 ATM, synthesis of silicon carbide. The present invention has low reaction temperature and low cost, and is suitable for mass production in industry.

We are always keeping enlarging production scale, perfecting management system, and improving office facilities to expand our markets both at home and abroad.We sincerely welcome clients at home and abroad to come for negotiations.

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
Company Certifications

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port
Export Percentage	61% - 70%
No.of Employees in Trade Department
Language Spoken:
b) Factory Information
Factory Size:	1,000-3,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
Product Price Range