Product Exhibition>>Graphite Electrodes

   
  

Graphite Electrodes

Graphite Electrodes are made from fine calcined petroleum coke and needle petroleum coke, are widely used in Electric Arc Furnaces, mineral-heated furnaces to make alloy steel, other metallic and nonmetallic materials.

PHYSICAL PROPERTIES:

ITEM

Regular Power

High power

Ultra high power

Unit

150-200mm

225-350mm

400-500mm

Electrical Resistance (max)

Electrode

μΩ-m

9.0

9.0

9.0

7.0

6.0

Nipple

7.5

7.5

7.5

5.5

5.0

Bending Strength (min)

Electrode

MPa

9.8

7.8

6.4

10.5

10.5

Nipple

13.0

13.0

13.0

14.0

16.0

Elastic Modulus (max)

Electrode

GPa

9.3

9.3

9.3

12.0

14.0

Nipple

13.7

13.7

13.7

14.0

15.0

Bulk Density (min)

Electrode

g/cm3

1.52

1.52

1.52

1.60

1.65

Nipple

1.63

1.68

1.68

1.70

1.72

C.T.E (max)

Electrode

〜10-6/≧

2.9

2.9

2.9

2.4

1.5

Nipple

2.7

2.8

2.8

2.2

1.4

Ash (max)

%

0.3

0.3

0.3

0.3

0.3

SPECIFICATION AND ALLOWANCE:

Diameter

Length

Nominal Diameter

Actual Diameter

Nominal length

Allowance

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


REMARK: OTHER SPECIFICATIONS CAN BE AVAILABLE UPON REQUEST.

CURRENT CARRYING CAPACITY:

Nominal Diameter

Regular Power

High Power

Ultra High Power

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

 

DIMENSION OF TAPERED NIPPLES:

3TPI

Diameter

Nipple(mm)

Socket (mm)

Pitch(mm)

inch

mm

D

L

d2

1

d1

H

9

225

139.70

0
-0.50

203.20

0
-1

90.73

0-5

<10

131.27

+0.500

107.60

+70

8.47

10

250

155.57

220.00

103.80

147.14

116.00

12

300

177.16

270.90

116.90

168.73

141.50

14

350

215.90

304.80

150.00

207.47

158.40

16

400

215.90

304.80

150.00

207.47

158.40

16

400

241.30

338.70

169.80

232.87

175.30

18

450

241.30

338.70

169.80

232.87

175.30

18

450

273.05

355.60

198.70

264.62

183.80

20

500

273.05

355.60

198.70

264.62

183.80

20

500

298.45

372.60

221.30

290.02

192.20

IMENSIONS OF TAPERED NIPPLES:

4TPI

Diameter

Nipple(mm)

Socket(mm)

Pitch(mm)

inch

mm

D

L

d2

1

d1

H

8

200

122.24

0-0.50

177.80

0-1

80.00

0-5

<7

115.92

+0.500

94.90

+70

6.35

9

225

139.70

177.80

97.46

133.38

94.90

10

250

152.40

190.50

108.00

146.08

101.30

12

300

177.80

215.90

129.20

171.48

114.00

14

350

203.20

254.00

148.20

196.88

133.00

16

400

222.25

304.80

158.80

215.93

158.40

16

400

222.25

355.60

150.00

215.93

183.80

18

450

241.30

304.80

177.90

234.98

158.40

18

450

241.30

355.60

169.42

234.98

183.80

20

500

269.88

355.60

198.00

263.56

183.80

20

500

269.88

457.20

181.08

263.56

234.60

Packaging: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.

Add:No.78 Shiji Road, Zhangdian, Zibo 255300, Shangdong, China Tel:+86-533-2778615 8657600 Fax:+86-533-2778515
E_mail:haihan@cn-haihan.com Web: www.cn-haihan.com