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550mm Graphite Electrode

550mm Graphite Electrode is a product widely used in metal, high-temperature processing, automotive, electronics, photovoltaic, EDM, and other industries. The advantage of graphite as an electrode is that its density is only 1/5 that of copper. And its friction coefficient is less than 0.1, which makes it have good lubricity; it also has good thermal shock resistance, and will not expand excessively when heated. It will not crack or break even when the temperature changes drastically. And the lighter weight makes it not a big burden on the machine.


The raw materials of 550mm Graphite Electrode mainly include petroleum coke, pitch coke, coal pitch, needle coke, etc. According to different needs, the production formula of the product can be changed in order to produce different effects. Its downstream applications include electric furnace steelmaking, ferroalloys, industrial silicon, yellow phosphorus, etc. Moreover, it does not consume a lot of electricity during the production process, which can effectively reduce production cost. Good high temperature and corrosion resistance also prolong its service life.

 

550mm Graphite Electrode Manufacturer

 

 

ZhenAn International Co., Limited. is located in Anyang City, Henan Province, the hometown of Oracle. The company specializes in the research and development, production and sales, and international trade of 550mm graphite electrode. It is mainly used in metallurgical smelting industries such as steelmaking, silicon smelting, and yellow phosphorus smelting.

 

Why Choose Us

 

Rich Experience

It has nearly 30 years of experience in graphite electrode production and research and development and independent intellectual property rights. It is a domestic professional production and research and development enterprise with excellent quality, complete varieties and multiple specifications.

Our Team

ZhenAn has a professional team of 200 people, 90% of whom are professionals with many years of sales experience. They provide you with high-quality service experience and solve all your problems, so that you can buy without worries.

 

Production Capacity

It has advanced carbon testing and inspection facilities at home and abroad, and can produce and process Ф100-Ф600mm ordinary power, high power, and ultra-high power graphite electrodes with a production capacity of 150,000 tons/year.

Production Equipment

Closed conveyor, Impact crusher, Extrusion molding machine, Impregnation tank, Roasting furnace, Graphitization furnace.

 

 

 

First 123 Last
Types of 550mm Graphite Electrode

 

1

RP 550mm Graphite Electrode

With a diameter of 550 millimeters, RP 550mm graphite electrodes are considered large electrodes and are used for heavy industrial applications requiring large amounts of current.

2

Hp 550mm Graphite Electrode

The 550mm HP graphite electrode offers a reliable and effective solution. Its robust construction and heat resistance ensure optimum performance under demanding conditions.

3

UHP 550mm Graphite Electrode

Our 550mm UHP graphite electrodes are designed with high-quality needle coke and carbon materials to meet the stringent requirements of electric arc furnaces (EAF) and ladle furnaces.

4

550mm Regular Graphite Electrode

550 mm regular graphite electrodes are engineered for durability and are designed to withstand the mechanical stresses associated with arc furnace operation.

 

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Specification

Diameter: 550mm/22inch.


Length: 2400mm/2700mm.


Shape: Cylindrical.


Grade: UHP (Ultra High Power)/HP/RP.


Nipple: 4 TPI/4 TPIL/ T4N/ T4L.


Application: EAF （Electric arc furnace) / LF (Ladle Furnace).


Color: BLACK GREY.

 

 

Technical Parameter

 

 

Item

Classification

Unit

Nominal Diameter

550mm

Electrical resistivity (≯)

Pole
Nipple

μΩm

5.5
3.5

Bending strength (≮)

Pole
Nipple

Mpa

11.0
20.0

Young's modulus (≯)

Pole
Nipple

Gpa

14.0
22.0

Bulk density (≮)

Pole
Nipple

g/cm3

1.68
1.8

Thermal expansion coefficient (≯)
(100℃-600℃) CTE

Pole
Nipple

×10-6/℃

1.4
1.2

Ash content (≯)

  

%

0.3

 

Feature of 550mm Graphite Electrode

 

High Conductivity

The primary advantage of the 550mm graphite electrode is its superior electrical conductivity. This feature promotes efficient energy transfer during the melting process, reducing overall electricity consumption, which is crucial for the cost-effectiveness of steel production.

01

Thermal Stability

The 550mm graphite electrode maintains its structural integrity, ensuring continuous operation and reducing the likelihood of interruptions due to electrode failure.

02

Durability

The manufacturing process of 550mm graphite electrodes ensures that they possess high mechanical strength and wear resistance.

03

Environmental

The shift towards electric arc furnaces, which utilize 550 mm graphite electrodes, allows for enhanced recycling of scrap metal compared to traditional blast furnace methods.

04

Versatility

The versatility of the 550 mm graphite electrode makes it a valuable asset in different sectors seeking efficient and effective high temperature process solutions.

05

 

Applications of 550mm Graphite Electrode
 

Steel Industry: 550mm graphite electrode are widely used in Electric Arc Furnaces (EAF) for steel production. They serve as the conductive elements that create the electric arc to melt the scrap. They have excellent thermal resistance and mechanical strength and are the preferred choice for this application.

 

Aluminum industry: 550mm graphite electrodes are used in the smelting process of aluminum production. They are used in the electrolysis of aluminum oxide (aluminum oxide) in electrolytic cells. Graphite’s high electrical conductivity and chemical stability suit this process.

 

Foundry Industry: 550mm graphite electrodes manufacture cast iron and steel products in foundries. Graphite’s high melting point and thermal conductivity facilitate efficient heat transfer and can improve the quality of castings.

 

 
Manufacturing Process of 550mm Graphite Electrodes
 

The production of 550mm graphite electrodes involves several critical steps:

01/

Raw Material Selection: High-quality petroleum and needle coke are essential for the manufacture of electrodes. The choice of raw materials significantly impacts the performance and durability of the final product.

02/

Baking: The impregnated materials are then baked at high temperatures (around 1200-3000 degrees Celsius) to convert them into solid carbon. This process helps to achieve the desired electrical properties.

03/

Impregnation: To enhance the density and strength of the electrodes, the raw materials undergo a process called impregnation where they are infused with a resin or pitch.

04/

Quality Control: Rigorous quality control tests, including resistance measurements and mechanical strength assessments, are conducted to ensure that the electrodes meet industry standards.

05/

Graphitization: After baking, the electrodes are subjected to a graphitization process, where they are heated at even higher temperatures in an inert gas atmosphere. This step transforms the carbon structure into a graphitic form, improving electrical conductivity and thermal stability.

06/

Machining: Once the electrodes are graphitized, they undergo precision machining to achieve the required dimensions and tolerances. For a 550mm electrode, maintaining consistent dimensions is crucial for performance in the electric arc furnace.

 

 

550mm Graphite Electrode Usage Requirements

The graphite electrodes should be kept in a clean, drying place and avoid vibrations and collisions. It should be dried before use.


When installing the joint, please clean the hole with the compressed air, then carefully screw the joint and not damage the thread.


When connecting graphite electrodes, the two electrodes should be cleaned with compressed air when they are 20-30mm apart.


When using a wrench to connect the graphite electrode, it should be completely taut to the specified position so that the gap between the two electrodes is not less than 0.05mm.


The graphite electrodes should be used vertically to avoid tilting during operation.


To avoid the graphite electrode fracture, please place the bulk block in the upper part.

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Product Transportation Packaging

 

 
 

Protective End Caps

All ends of graphite electrodes come with fitted protective plastic or rubber caps to keep threaded parts safe.

 
 
 

Wooden Crates or Pallets

Graphite electrodes are mostly packed in heavy-duty pallets or sturdy wooden crates. These pallets or crates are made to take in electrode weight and length, which can vary based on size.

 
 
 

Foam and Cushioning

Materials for cushioning like soft padding or foam, are placed all around graphite electrodes to take in the vibrations and shocks movement or transportation brings.

 

 

Other Services

 

Delivery Time: Usually our manufacture time is 7-10 days. And meanwhile it takes 7-30 days to apply the Import and export license for dual-useitems and technologies, so the delivery time is 7 to 30 days after payment.

 

MOQ: There is no limit for MOQ, 1 ton is also available.

 

OEM/ODM: We can accept OEM/ODM. We can design products and packaging patterns according to your requirements.

 

Payment Terms: We accept T/T, Paypal, Western Union. Normally, we accept 30% deposit and the balance before shipment.

 

Transportation: Usually we use express as DHL, FEDEX, UPS, TNT, air and sea transportation is supported. We always choose economist way for you.

 

Our certificates: The company has passed the GB/T 19001-2015/ISO 9001:2015 quality management system certification, and the product quality is uniform and stable.

 

Sales Market: The company's products are sold well in major steel companies at home and abroad, and are mainly exported to Iran, Myanmar, Vietnam, Germany, the United Kingdom and other countries and regions.

 

 

FAQ

 

Q: Do you have after-sale service?

A: Yes. Our after-sales staff will always stand by you, if you have any questions about the products, please e-mail to us, we will try our best to solve your problem.

Q: How do you control your quality?

A: During the production process, we have a complete chemical composition quality control system. After production, all goods will be tested, and a quality certificate will be issued with the goods.

Q: What can you buy from us?

A: Graphite Electrode,Fine Grain And Wax Treated Graphite Rod,Molded Graphite Block,C/C Composite Materia,Graphite Box.

Q: How can I get a sample to confirm the quality?

A: Please give me the exact specification details so we can send you a sample. You can also send us a sample, we can give you a counter sample and price. Samples are free.

Q: What if I can't find what I'm looking for on your website?

A: Please feel free to contact us by various means and send details of the products you are looking for. We will do our best to help you.

Q: When can I get the price?

A: We usually quote within 1 hours after getting your detailed requirements,like size,quantity etc. If it is an urgent order, you can call us directly.

Q: Can we visit your factory?

A: Yes, of course. You are very welcome to China and we will be honored to have a client and friend.

Q: Can we use our own shipping agent?

A: Yes, you can. We had cooperated with many forwarders. If you need, we can recommend some forwarders for you to compare the price and services.

We're professional 550mm graphite electrode manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale cheap 550mm graphite electrode from our factory. For price consultation, contact us.