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PRODUCTS

Product name:

RP graphite electrode

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Product description

PRODUCT DESCRIPTION

HaiRu Foreign Trade Co., Ltd

Graphite electrode is made of high quality calcined petroleum coke and imported needle petroleum coke. It is manufactured through the process of calcining, dosing, mixing, forming, baking, impregnating, graphitization in a high temperature of over 3000°c, and then machining.

Graphite electrode has the advantages of low electrical resistance, low ash content, high mechanical strength, high resistance for abrupt change of temperature and high-yield in melting process.

APPLICATION

Widely used in Electric Arc Furnace, Ladle Furnace, Mineral-heated Furnace for steel-making and other metallic or non-metallic materials, such as silicon, phosphorus, etc.

GRADES:

RP, HP, SHP, UHP grade

DIAMETER:

150mm, 200mm,250mm, 300mm, 350mm, 400mm, 450mm., 500mm, 550mm, 600mm and 700mm, other sizes can be also customized by the requirements.

 

HaiRu Foreign Trade Co., Ltd HaiRu Foreign Trade Co., Ltd HaiRu Foreign Trade Co., Ltd HaiRu Foreign Trade Co., Ltd

 

1) PHYSICAL PROPERTIES:

Physical Properties

RP Grade
(Dia.150-600mm)

HP Grade
(Dia.150-600mm)

UHP Grade
(Dia.300-600mm)

Specific Resistance
(max) μΩ-m

Electrode

8.0

7.0

6.2

Nipple

6.5

5.5

5.0

Bending Strength
(min) Mpa

Electrode

11.0

12.0

11.0

Nipple

14.0

14.0

18.0

Elastic Modulus
(max) Gpa

Electrode

9.0

12.0

12.0

Nipple

12.0

14.0

16.0

Bulk Density
(min) g/cm3

Electrode

1.56-1.60

1.65-1.70

1.66-1.72

Nipple

1.70-1.72

1.72-1.74

1.75-1.82

C.T.E (max) ×10-6/C

Electrode

2.7

2.5

1.5

Nipple

2.5

2.2

1.4

Ash (max)  %

Electrode

0.30

0.30

0.20

Nipple

 

2) SIZE & TOLERANCE:

Diameter

Length

Nominal Diameter

Actual Diameter

Nominal Length

Tolerance

mm

inch

Max.

Min.

mm

Length (mm)

Short Length (mm)

150

6

154

149

1600

+/-100

-275

200

8

205

200

225

9

230

225

250

10

256

251

(1600)
1800

300

12

307

302

350

14

357

352

400

16

409

403

(1600) 1800 2000 2200 2400

450

18

460

454

500

20

511

505

550

22

562

556

1800 2100 2400

+/-100

   -275

600

24

613

607

1800 2100 2400 2700

+/-100

-275

 

3) CURRENT CARRYING CAPACITY:

Nominal Diameter

Regular Power(RP)

High Power(HP)

Ultra High Power(UHP)

mm

inch

Current carrying capacity (A)

Current density (A/cm2)

Current carrying           capacity (A)

Current density      (A/cm2)

Current carrying capacity (A)

Current density             (A/cm2)

150

6

3000-4500

16-25

 

 

 

 

200

8

5000-6900

15-21

5500-9000

18-25

 

 

225

9

6000-8000

14-20

6500-10000

18-25

 

 

250

10

7000-10000

14-20

8000-13000

18-25

 

 

300

12

10000-13000

14-18

13000-17400

17-24

15000-22000

20-30

350

14

13500-18000

14-18

17400-24000

17-24

20000-30000

20-30

400

16

18000-23500

14-18

21000-31000

16-24

25000-40000

19-30

450

18

22000-27000

13-17

25000-40000

15-24

32000-45000

19-27

500

20

25000-32000

13-16

30000-48000

15-24

38000-55000

18-27

 

PACKING:

Electrodes are packed in wooden crates and nipples in wooden cases; or packed pre-set as customer's requirements, inner plastic to prevent water and dust, and braced strongly with steel strip to be suitable for land and sea transportation.

 

HaiRu Foreign Trade Co., Ltd HaiRu Foreign Trade Co., Ltd

 

Corresponding parameter set not found, please add it in property template of background
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