Graphite Electrode for Arc Furnaces/HP Electrode Graphites

Ref Price:
$1,700.00 - 1,900.00 / m.t.
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
100 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

1. Specifications of Graphite Electrodes

.Grade:RP,HP,UHP,SHP,RPI

.Diameter:200 to 700mm at your choice.

.Length: 1600 to 2400mm at your choice.

.Nipple:3-4 TPI

.fine mechanical strength and machining quality,low specific resistance, high temperature and oxidation resistance


2. Applications of Graphite Electrodes

Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.


3. Grades: RP, RPI, HP, SHP, UHP

Details Information








Items

Unit

RP

HP

UHP

250-300mm

350-550mm

200-400mm

450-550mm

300-400mm

450-550mm

Resistivity(MAX)

Electrode

μΩm

9

7

7.5

6.2

6.5

Nipple

8.5

6.5

5.5

 Bending Strenth(MIN)

Electrode

Mpa

7.8

6.4

10.5

9.8

10.5

10

Nipple

13

14

16

Elastic Modulus(MAX)

Electrode

Gpa

9.3

12

14

Nipple

14

16

18

Bulk Density(MIN)

Electrode

g/cm3

1.52

1.6

1.65

1.64

Nipple

1.68

1.7

1.72

1.7

Ash(MAX)

Electrode/Nipple

%

0.5

0.3

0.3

CTE(MAX)

Electrode

10-6/°C

2.9

2.4

1.5

Nipple

2.8

2.2

1.4

Tolerances of electrode diameters and lengthes(mm) 

Nominal Diameter

Actual Diameter

Length

Max

Min

Black surface min

250

256

251

248

1600/1800

300

307

302

299

1600/1800

350

357

352

349

1600/1800

400

409

403

400

1600/1800/2000/2200

450

460

454

451

1600/1800/2000/2200

500

511

505

502

1800/2000/2200/2400

550

562

556

553

1800/2000/2200/2400

Recommended current carrying capacity

Nominal diameter

RP

HP

UHP

Electrical Arc furnace

Electrical Arc furnace

Ladle Refining 

furnace

Electrical Arc 

furnace

Ladle Refining furnace

Current 

carrying

 capacity

Current 

Density

Current 

carrying 

capacity

Current 

Density

Current 

carrying 

capacity

Current 

Density

Current 

carrying 

capacity

Current

 Density

Current 

carrying 

capacity


Current 

Density

Inch

Mm

A

A/ cm2

A

A/ cm2

A

A/ cm2

A

A/ cm2

A


A/ cm2

12

300

11000-15000

15-21

13000-17500

18-25

15000-21000

21-29






14

350

15000-20000

15-20

17500-24500

18-25

20000-28000

21-29

22000-31000

23-32

24000-33000


25-34

16

400

19000-26000

15-20

21500-32000

17-25

24000-35000

19-28

28000-41000

22-32

31000-44000


24-34

18

450

23000-31000

14-19

26000-40500

16-25

29000-45000

18-28

33000-46000

20-28

36000-49000


22-30

20

500

28000-36000

14-18

32000-50000

16-25

34000-54000

17-27

38000-56000

19-28

42000-60000


21-30

22

550

32000-42000


37000-57000

15-23

40000-62000

16-25

45000-65000

18-26

50000-70000


20-28


4. Pictures of Graphite Electrodes Factory

 

Graphite Electrode for Arc Furnaces/HP Electrode Graphites

Graphite Electrode for Arc Furnaces/HP Electrode Graphites

 

5. FAQ

We have organized several common questions for our clientsmay help you sincerely 

How about your Warranty of Graphite Electrode for Arc Furnaces

 Warranty: 1-Year for the whole light. Warranty is based on correct storage, installation, using and maintenanc

How to guarantee the quality of the products Graphite Electrode for Arc Furnaces

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At   the same time, we will provide necessary follow-up service assurance. We have D&B report and you could check details information for our company.

How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. 


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Q:The production of one ton of steel required graphite electrode
Can not generally say, a ton of steel production consumes much of graphite electrode.
Q:What does graphite electrode GSK mean?
Graphite is made of high-strength graphite, it is a kind of graphite grade specification.
Q:Please senior doubts. The graphite electrode is used in the mold cavity In what case is graphite processing taken?
Instead of copper as discharge material.1. Electrode design1 can reduce the number of individual electrodes / can be made into a composite electrode2, it can save the electrode clamp system and save the cost2, the electrode processing1, high speed milling rough processing copper block 3 times2, high-speed milling finishing faster than copper 5 times3. Good machinability4, complex geometric modeling can be realized3, light weight, its density is less than 1/4 of copper1, good thermal stability (without deformation)2 can reduce the number of individual electrodes / can be made into a composite electrode3, without deburring4. The electrode is easy to clamp4 、 electric discharge machining EDM1, roughing, the electrode loss is small2, high work removal rate3 can reduce the number of individual electrodes / can be made into a composite electrode4. No pollution to the environment in the electrolyte5, light weight, its density is less than 1/4 of copper6, excellent thermal stability, the electrode does not change7, the fine graphite electrode can be used to produce high quality workpiece surfaceDifferent grades of graphite materials can be used for processing different workpieces
Q:What is the striking electrode in the die making? Where is the technical point?
Technology of EDM should master the characteristics of electric discharge between tool electrode and workpiece is not in direct contact, but there is a gap, the gap is generally between 0.05~0.3mm, sometimes may reach 0.5mm or more, full of fluid, processing by high voltage pulsed discharge, the discharge of corrosion the workpiece.
Q:Why should supercapacitors use graphite as electrode material?
Because the graphite material's electrochemical stability is good, can let the super capacitor withstand the higher monomer voltage. The electrode is not easy to wear out.
Q:What are the losses in graphite electrode?
In EDM, discharge principle is to remove the workpiece material by using the tool and the workpiece anode spark discharge explosion, spark discharge is bidirectional, not only will the workpiece removal part, forming processing, will cause some loss of electrode. Electrode loss is one of the main causes of machining errors in machining, and is an important technical parameter affecting the accuracy and quality of EDM
Q:Can high-purity graphite be used as an electrode?
The utility model has the advantages of small density and suitable tool electrodes for processing large parts or moulds, and the whole quality is small.
Q:Electrolytic water solution, two electrodes are graphite electrode, the negative electrode can produce large amounts of hydrogen, the anode does not produce half of oxygen, and only a small amount of it?
Anodic iron is directly oxidized without oxygen generation
Q:Specification for graphite electrodes commonly used in steel works
The variety and specifications of graphite electrodes used in modern EAF steelmaking are mainly determined by the technical parameters of the steelmaking furnace. With the development of EAF steelmaking technology, the steel-making technology is developing towards large scale and ultra high power. The graphite electrode is mainly made of large size graphite electrode and ultra high power graphite electrode.
Q:The graphite electrode made by the machining center adopts cooling method, which is water cooled, oil cooled and blow cold. Which is good?
I had worked on graphite electrodes for 3 years before, and the fact told me that in addition to using the wind to remove the powder, the others were ineffective or disorderly. Because you have to measure size while processing.

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