carbon electrode graphite electrodes

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Product Overview

Description


UHP Graphite Electrode:

Item

Unit

Nominal Diameter mm

≤ Φ400

≥ Φ450

Resistivity

electrode

μ Ω·m

4.0--5.3

4.0-5.5

nipple

3.8

3.8

Bending Strength

electrode

Mpa

≥ 12.0

≥ 12.0

nipple

≥ 24.0

≥ 24.0

Elastic Modulus

electrode

Gpa

≤ 14.0

≤ 14.0

nipple

≤ 18.0

≤ 18.0

Bulk Density

electrode

G/cm3

≥ 1.68

≥ 1.68

nipple

≥ 1.75

≥ 1.75

C.T.E

(100~600℃)

electrode

10-6/℃

≤ 1.3

≤ 1.3

nipple

≤ 1.2

≤ 1.2

ASH

electrode

%

≤ 0.3

≤ 0.3

nipple

≤ 0.3

≤ 0.3


 

HP Graphite Electrode:

Item

Unit

Nominal Diameter mm

≤ Φ400

≥ Φ450

Resistivity

electrode

μ Ω·m

≤ 6.2

≤ 6.5

nipple

≤ 4.5

≤ 4.5

Bending Strength

electrode

Mpa

≥ 11.5

≥ 11.0

nipple

≥ 22.0

≥ 22.0

Elastic Modulus

electrode

Gpa

≤ 12.0

≤ 12.0

nipple

≤ 16.0

≤ 16.0

Bulk Density

electrode

G/cm3

≥ 1.66

≥ 1.66

nipple

≥ 1.73

≥ 1.73

C.T.E

(100~600℃)

electrode

10-6/℃

≤ 1.8

≤ 1.8

nipple

≤ 1.5

≤ 1.5

ASH

electrode

%

≤ 0.3

≤ 0.3

nipple

≤ 0.3

≤ 0.3

  

 

RP Graphite Electrode:

Item

Unit

Nominal Diameter mm

≤ Φ400

≥ Φ450

Resistivity

electrode

μ Ω·m

≤ 8.0

≤ 8.2

nipple

≤ 5.8

≤ 5.8

Bending Strength

electrode

Mpa

≥ 9.0

≥ 8.8

nipple

≥ 18.0

≥ 18.0

Elastic Modulus

electrode

Gpa

≤ 9.5

≤ 9.5

nipple

≤ 14.0

≤ 14.0

Bulk Density

electrode

G/cm3

≥ 1.62

≥ 1.62

nipple

≥ 1.70

≥ 1.70

C.T.E

(100~600℃)

electrode

10-6/℃

≤ 2.2

≤ 2.2

nipple

≤ 2.0

≤ 2.0

ASH

electrode

%

≤ 0.35

≤ 0.35

nipple

≤ 0.35

≤ 0.35

 

Product Description

Graphite electrodes are used mainly in ladle furnaces, electric-arc furnace steelmaking, Yellow phosphorus furnace, Industrial silicon furnace or melting copper. They are presently the only products available that have the high levels of electrical conductivity and the capability of sustaining the extremely high levels of heat generated in this demanding environment. High Quality Needle Coke in HP&UHP graphite electrode, to ensure the application for the electrodes are more perfect. Graphite electrodes are also used to refine steel in ladle furnaces and in other smelting processes.

 

Our graphite electrode is made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch. After calcining, burdening, kneading, forming, baking and pressure impregnation, graphitization and then precision machined with professional CNC machining. Our electrodes have the characteristics of low resistivity, good electrical conductivity, low ash, compact structure, good anti oxidation and high mechanical strength, and then they are the best conductive material for electric arc furnace and smelting furnace.

 

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Dimension of Tapered Nipples for Graphite Electrode:

Dimension 1.jpg.jpg

 

 

Diameter Tolerance for Graphite Electrode:       Unit: mm

Nominal Diameter

Actual Diameter (D)

Nominal Length (mm)

mm

Inch

Max

Min

Rough spot (B)

200

8

205

201

197

1600/1800

250

10

256

251

249

1600/1800

300

12

307

302

299

1600/1800/2000

350

14

357

352

349

1600/1800/2000

400

16

409

403

400

1800/2000/2200

450

18

460

454

451

1800/2000/2200

500

20

511

505

502

1800/2000/2200/2400

550

22

562

556

553

1800/2000/2200/2400

600

24

613

607

604

2000/2200/2400/2700

650

26

663

657

654

2000/2200/2400/2700

Note:

The diameters can be machined with the clients’ special request.

 

Production Period for Graphite Electrode:

 

production flow.jpg

 

 

Instruction for Graphite Electrode:

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Packaging & Shipping

Suggested Current Capacity and Current Density for our Graphite Electrodes:

 

Diameter

RP

HP

UHP

mm

Current Load (A)

Current Density (A/cm2)

Current Load (A)

Current Density (A/cm2)

Current Load (A)

Current Density (A/cm2)

200

5000-6900

15-21

5500-9000

18-25

 

 

250

7000-10000

14-20

8000-13000

18-25

 

 

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

21000-32000

16-24

25000-40000

19-27

450

22000-27000

13-17

25000-40000

15-24

32000-45000

19-27

500

25000-32000

13-16

30000-48000

15-24

38000-55000

18-27

550

32000-41000

13-16

37000-58000

15-23

45000-65000

18-27

600

38000-47000

13-16

44000-67000

15-23

52000-75000

18-26

650

45000-54000

13-16

54000-73000

15-23

62000-95000

18-24

 

 

The graphite electrodes are packed by the sea-worthy pallets.

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Company Information

03_

Our company located in the beautiful coastal city, Qingdao, Shandong Province. We manufactures various types of graphite electrodes, with annual production capacity of 30,000 tons. The main products of the company cover Φ200 ~ Φ650 mm RP(Regular Power) graphite electrodes, HP(High Power) graphite electrodes, UHP (Ultra High Power) graphite electrodes and special carbon etc, over 40 kinds. The products have the features of high mechanical strength, good thermal shock resistance, and low consumption etc. Therefore, they are widely used in metallurgy & smelting, chemical and other industries. The products are exported to more than 30 countries and regions, such as Southeast Asia, the Middle East, Europe, the Americas and Africa etc. 

Relying on our loyal and enterprising spirit and following the quality-foremost tenet and customers as our most strong basis and greatest assets, Qingdao Sino Carbon Co., Ltd. has developed to a new star of carbon industry. We will continue to focus on the carbon industry, dedicate to creating a professional global graphite electrode manufacturer & supplier.

 

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Our Services

In line with the aim of "Customer first, Sincere service", and comply with the principal of "Being responsible for clients, Keeping satisfy clients always". We will make all-out efforts to offer the following service to custmers.

 

1. According to custmers' requirements and the relevant claused of contract, we will offer the reliable packaging and tranportation, grarantee bothe the quality and quantity, and dlier all the goods on schedule.

2. We will send the technical staff to visit the steel plants for trial shipment if necessary, introduce the knowledge about how to use the electrodes, guide the opration process, and provide the assistance.

3. We will establish the clients' files, actively communicate with the clients and record the clients' feedback and suggestions.

4. For any qulity claims, we will give ansvers within 24 hours. If necessary, we will send thechnical staff to the plant in order to find out the reason, instruct the operation and slove the problems as soon as possible.

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FAQ

timg.jpg When can i get the price?
We usually quote within 24 hours after getting your special require, such as size, quantity etc.

 

 What about the lead time for mass product?
The lead time is based on the quantity, about 15-20 days.

 

 What is your terms of delivery?
We accept FOB, CFR, CIF, EXW, etc. We will choose the most convenient way for you.

 

 What is the packing term?
We are packed in wooden pallets, or according to your requirements.

 

 Notice:
Pls note that the price on alibaba is a rough price. The actual price will depends on raw materials.

 


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