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Graphite Electrode for Ladle Furnace

1. Low electric resistance
2. Good electric and thermal conductivity
3. High density

  • Product Introduction

Graphite Electrode for Ladle Furnace

 

Graphite electrode is a type of high-performance electrical conductor, made from high-quality petroleum coke and needle coke as raw materials, which are mixed with coal pitch binder, calcined, and graphitized at high temperatures. This results in a highly conductive, stable, and durable material that is used in many industrial and commercial applications. In particular, graphite electrodes are highly sought-after for use in ladle furnaces, where they play a key role in the smelting, refining, and casting of molten metals.

 

The primary function of the graphite electrode in a ladle furnace is to conduct electricity from the power supply to the molten metal, which is held in a refractory-lined vessel or ladle. At the same time, it must withstand high levels of thermal and mechanical stress, as well as chemical erosion from the molten metal and slag. As a result, the quality and performance of the graphite electrode are critical to the overall efficiency and productivity of the ladle furnace.

 

At our state-of-the-art manufacturing facility in China, we produce a range of high-quality graphite electrodes specifically designed for use in ladle furnaces. Our electrodes are made from the highest quality raw materials, including premium petroleum coke and needle coke from leading suppliers around the world. We also use the latest advanced technology and production processes to ensure the highest levels of consistency, reliability, and performance.

 

Key Features and Benefits of our Graphite Electrode for Ladle Furnaces

 

1. High Thermal Conductivity and Low Electrical Resistance

 

Our graphite electrodes have an extremely high thermal conductivity and low electrical resistance, which allows for efficient transfer of electrical energy to the molten metal. This results in quicker melt times, faster refining, and lower energy costs.

 

2. High Mechanical Strength and Stability

 

Our graphite electrodes are highly durable and stable, with excellent mechanical strength and resistance to deformation and breakage. This ensures a high level of reliability and reduces the risk of downtime and lost production.

 

3. Superior Erosion Resistance

 

Our graphite electrodes are highly resistant to chemical erosion from molten metal and slag. This results in longer electrode life and lower maintenance and replacement costs over time.

 

4. Consistent Quality and Performance

 

Our graphite electrodes are manufactured using the latest advanced technology and production processes to ensure the highest levels of consistency, reliability, and performance. We also use strict quality control measures to ensure that each electrode meets or exceeds industry standards.

 

5. Competitive Pricing and Flexibility

 

We offer highly competitive pricing and flexible supply options to meet the specific needs of our customers. We can supply electrodes in various sizes and specifications to suit different ladle furnace applications.

 

Applications of Graphite Electrodes for Ladle Furnaces

 

Our graphite electrodes are used in a wide range of ladle furnace applications, including:

 

1. Steelmaking: Our electrodes are used to melt and refine steel in electric arc furnaces, with applications in both primary and secondary steelmaking.

 

2. Ferroalloy production: Our electrodes are used to produce a variety of ferroalloys, including ferrosilicon, ferromanganese, and ferrochrome.

 

3. Non-ferrous metal production: Our electrodes are used in the production of non-ferrous metals such as aluminum, copper, and zinc.

 

4. Foundry casting: Our electrodes are used to cast and refine molten metal into various shapes and forms, including ingots, billets, and slabs.

 

Conclusion

 

Overall, our graphite electrodes for ladle furnaces offer superior performance, reliability, and durability, which are critical factors in today's highly competitive and demanding industrial environment. With our commitment to producing high-quality products at competitive prices, we are confident that our customers will see the benefits of using our electrodes in their ladle furnace applications. Please contact us to learn more about our products and services, and how we can help you achieve your production goals.

 

DESCRIPTION:

Graphite electrode is a major conduction material used in the electric smelting industry, which has the properties of superior electric conductivity, thermal conductivity, high mechanical strength, oxidation and corrosion resistance in high temperature.


FEATURE:

1. Low electric resistance

2. Good electric and thermal conductivity

3. High density

4. High anti-oxidation capability

5. High mechanical strength

6. High machining accuracy


Mechanical strength:

Mechanical strength of graphite electrode is divided into the compressive, bending and tensile, the main determination of flexural strength, flexural strength is associated with broken graphite electrode in the use of performance indicators, in electric furnace, when electrode and conducting objects don't contact, or due to the collapse of collision, partly due to the damage of strong vibration, graphite electrode often have broken danger, Graphite electrodes with high flexural strength are not easily broken.


APPLICATION:

Graphite electrode is typically used in EAF (for smelting steel), submerged arc. furnace (for producing ferroalloy, pure silicon, phosphor, matte, calcium carbide,etc. And electric resistance furnace, such as graphitization furnace producing graphite electrodes, glass-melting furnace, electric furnaces producing carborundum, etc.


SPECIFICATION:

Technical specification of RP grade graphite electrode

Specification

Unit

Diameter of RP Graphite Electrode

75-300mm

350-450mm

500-700mm

Specific Resistance

Electrode

μΩ.m

8.0

8.0

8.0

Nipple

6.5

6.5

6.0

Bending Strength

Electrode

Mpa

8.4

7.5

7.0

Nipple

16.0

16.0

16.0

Elastic Modulus

Electrode

Gpa

8.0

8.0

8.0

Nipple

12.0

12.0

12.0

Bulk Density

Electrode

g/cm3

1.60

1.60

1.60

Nipple

1.74

1.74

1.74

C.T.E(100-600℃)

Electrode

10-6/℃

2.8

2.8

2.8

Nipple

2.7

2.7

2.7

Ash

Electrode

%

0.3

0.3

0.3

Nipple

0.3

0.3

0.3


Graphite Electrode Size and Tolerance

Diameter (mm)

Length (mm)

Nominal diameter

Actual diameter

Nominal length

Tolerance

Short feet length

mm

inch

max

min

mm

mm

max

min

200

8

209

203

1800/2000/

2200/2300
2400/2700

±100

-100


-275


250

10

258

252

300

12

307

302

350

14

357

352

400

16

409

403

450

18

460

454

500

20

511

505

550

22

556

553

600

24

613

607



Allowable Capacitance Flow of the electrode

Nominal diameter

Allowable capacitance flow (A)

Electric current density

Millimeter

Inch

75

3"

1000-1400

22-31

100

4"

1500-2400

19-30

150

6"

3000-4500

16-25

200

8"

5000-6900

15-21

250

10"

7000-10000

14-20

300

12"

10000-13000

14-18

350

14"

13500-18000

14-18

400

16"

18000-23500

14-18

450

18"

22000-27000

13-17

500

20"

25000-32000

13-16

550

22"

28000-34000

12-14

600

24"

30000-36000

11-13

650

26"

32000-39000

10-12

700

28"

34000-42000

9-11

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