Graphite Electrode for Steel Industry RP, HP, UHP with Nipple

• Type: Graphite Electrodes
• Composition: Graphite
• Carbon Content: High-Carbon
• Grade: RP
• Forming Way: Extruded Graphite
• Crystal Morphology: Artifical Graphite
• Model NO.: dia100
• Product Name: Graphite Electrode for Steel Industry RP, HP, Uh
• Name: Graphite Electrode
• Density: 1.6-1.7
• Min Order Quanity: 1 Ton
• Transport Package: Wooden Box
• Specification: Customization
• Trademark: ningheda
• Origin: China
• HS Code: 8545110000
• Production Capacity: 200000

Product Description

Graphite electrodes are typically produced using a multi-step process.

Raw Material Preparation: The process begins with the selection and preparation of high-quality petroleum coke and needle coke as the primary raw materials. These materials are carefully inspected and blended to achieve the desired chemical and physical properties.

Mixing and Forming: The selected raw materials are mixed with coal tar pitch and other additives to create a homogeneous paste. This paste is then formed into the desired electrode shape using molding techniques such as extrusion or vibration molding.

Baking: The formed electrodes are then baked in a controlled environment to remove volatile components and to convert the raw materials into a solid carbon structure. This process may involve several stages of heating in a furnace, gradually increasing the temperature to achieve the desired density and strength.Impregnation and Graphitization: After baking, the electrodes may undergo impregnation with a resin or pitch to improve their density and strength. Subsequently, the electrodes are graphitized by subjecting them to extremely high temperatures in a special furnace. This process converts the carbon structure into graphite, enhancing its electrical conductivity and heat resistance.

Machining and Quality Control: The finished graphite electrodes undergo precision machining to achieve the required dimensions and surface finish. They are then subjected to rigorous quality control measures to ensure that they meet the specified mechanical and electrical properties.

Packaging and Shipping: Once the graphite electrodes have passed the quality control checks, they are carefully packaged to protect them from damage during transportation and then shipped to customers for use in electric arc furnaces. It's important to note that the production process may vary slightly depending on the specific requirements of the end application and the manufacturer's proprietary techniques. Additionally, environmental and safety considerations are integral parts of the production process to ensure that the manufacturing operations are carried out responsibly.

Graphite electrodes are commonly used in electric arc furnaces for the production of steel and other metals. They are essential components for conducting high levels of electricity to melt and refine steel scrap and other raw materials. Graphite electrodes are made of graphite, a form of carbon known for its high electrical conductivity and thermal resistance. These qualities make graphite electrodes well-suited for the extreme conditions within electric arc furnaces.

Standard Diameter	RP Graphite Electrode		HP Graphite Electrode		UHP Graphite Electrode
mm	Allow Current Capacity (A)	Current Density (A/cm^2)	Allow Current Capacity (A)	Current Density (A/cm^2 )	Allow Current Capacity (A)	Current Density (A/cm^2 )
75	1000-1400	22-31
100	1500-2400	19-30
130	2200-3400	17-26
150	3000-4500	16-25
200	5000-6900	15-21	5500-9000	18-25
250	7000-10000	14-20	8000-13000	18-25	8100-12200	20-30
300	10000-13000	14-18	13000-17400	17-24	15000-22000	20-30
350	13500-18000	14-18	17400-24000	17-24	20000-30000	20-30
400	18000-23500	14-18	21000-31000	16-24	25000-40000	19-30

When choosing graphite electrodes for a specific application, there are several key factors to consider.

Here are some important considerations:

Electrode Grade: Graphite electrodes are available in different grades, each designed for specific applications based on factors such as current-carrying capacity, thermal conductivity, and resistance to thermal shock. Select an electrode grade that is suitable for the operating conditions of the electric arc furnace or other high-temperature applications.

Electrode Size: Consider the diameter and length of the graphite electrodes based on the specific requirements of the furnace or application. Factors such as power input, furnace design, and metal smelting process will influence the electrode size needed.

Electrical Conductivity: Evaluate the electrical conductivity of the graphite electrodes, as this will determine their performance in carrying electrical current and generating the necessary heat for the smelting process.

Thermal Expansion: Choose graphite electrodes with a low coefficient of thermal expansion to minimize the risk of cracking or damage during rapid temperature changes and thermal cycling.

Mechanical Strength: It is important to consider the mechanical strength and resistance to mechanical vibrations and impacts, especially for applications involving high-power electric arc furnaces.

Chemical Inertness: Verify that the graphite electrodes exhibit good chemical inertness and resistance to chemical reactions with molten metals and slag, which are essential in steelmaking and other metallurgical processes.

Manufacturer Reputation: Consider the reputation and track record of the graphite electrode manufacturer, including factors such as product quality, consistency, and customer support.

Cost and Longevity: Balance the initial cost of the electrodes with their expected service life to ensure an optimal balance between performance and cost-effectiveness.

Environmental and Safety Standards: Ensure that the graphite electrodes comply with relevant environmental and safety standards, and consider the environmental impact of their production and disposal. By carefully evaluating these factors and consulting with graphite electrode manufacturers or industry experts, you can make an informed decision when choosing the most suitable graphite electrodes for your specific application.

 

Established in 2017, located in Fengxin Industrial Area, Yichun City, Jiangxi Province, China, Jiangxi Ningheda New Material Co., Ltd. is the subsidiary company of Jiangxi Ningxin New Material Co., Ltd.

Jiangxi Ningxin New Material Co., Ltd. is an enterprise which specializes in R&D, production and sale of special graphite. The total investment is RMB 180 million. It covers an area of more than 70000 square meters and produces 10000 tons of special graphite annually, which makes Ningxin to be the leading enterprise in the domestic industry.

On November 8^th, 2016, Ningxin was listed of Chinese new third board. The stock abbreviation is Ningxin New Material, and stock code is 839719.
Jiangxi Ningheda New Material Co., Ltd. is mainly engaged in graphite product processing, graphite product matching service, providing graphite materials, graphite electrode and graphite products for the lithium industry, rare earth industry, machinery industry, aerospace, semiconductor and solar photovoltaic industry, together with the corresponding products technical service and technical application of update program.


With excellent production technology, good customer service, high market share, and relying on the advantage of new material, capital and management of parent company (Jiangxi Ningxin New Material Co., Ltd.), Jiangxi Ningheda New Material Co., Ltd. develops quickly. We devote to the extension of the special graphite industry chain, and make contributions for building the future whole graphite industry strategy.
 

1. The processing materials are ultrafine granule structure, high purity and graphite with high graphitization degree.
2. High hardness, good anti-oxidation performance and high machining accuracy
3. Good conductivity, high resistivity, sufficient mechanical strength
4. Small porosity and dense structure.
5. Excellent thermal shock resistance, conductive and thermal conductivity.
6. High temperature resistance, corrosion resistance, acid and alkali resistance, good wear resistance.
7. Surface can be treated with anti-oxidation.



1. Stable quality, reasonable price, efficient communication, timely delivery.
2. Many experts with more than 20 years of experience in graphite industry, we not only provide graphite products, but also provide application solutions for the corresponding industry.
3. The company's strength and scale are in a leading position in China, with emphasis on reputation and worry-free after-sales.
4. The products sell well in many countries worldwide, with rich experience in import and export, and complete various certificates to ensure that the goods reach the customer smoothly.
5. With professional designers, OEM and ODM are available.
6. Fast and convenient delivery method, which can guarantee the timeliness.