UHP Graphite electrodes technical data sheet

Nominal

UHP Graphite Electrodes

mm

inch

Current-Carrying Capacity （A）

Current Density （A/cm2)

350

14

20000-30000

20-32

400

16

25000-40000

20-32

450

18

32000-45000

20-30

500

20

38000-55000

20-30

550

22

48000-60000

18-24

600

24

52000-72000

18-24

650

26

60000-85000

18-24

700

28

62000-95000

18-24

UHP Graphite Electrodes

Unit

Ф300-400

Ф450-550

Ф600-700

PC

YB

PC

YB

PC

Specific
resistance

Electrode

uΩ·M

5.8

6.2

5.8

6.2

5.8

Nipple

4

5

4

5

4.5

Transverse
strength

Electrode

Mpa

11

10.5

10.8

10

10

Nipple

17

16

17

16

23

Elastic
modulus

Electrode

Gpa

14

14

14

14

14

Nipple

18

18

18

18

22

Ash
content

Electrode

%

0.2

0.3

0.2

0.3

0.3

Nipple

0.2

0.3

0.2

0.3

0.3

Bulk
Density

Electrode

g/cm3

1.68

1.6

1.68

1.62

16.8

Nipple

1.76

1.72

1.76

1.74

1.78

（C.T.E）

Electrode

10/℃

1.4

1.5

1.4

1.5

1.5

Nipple

1.3

1.4

1.3

1.4

1.4

Nominal

Actual Diameter（mm)

Length （mm)

Allowable variation

mm

inch

Max

Min

Low Spot

Length

Short Length

75

3

78

73

72

1400/1600

±100

-275

100

4

103

98

97

1400/1600

130

5

132

127

126

1400

150

6

154

149

146

1400/1600/1800

175

7

180

174

172

1400/1600

200

8

205

200

197

1600/1800

225

9

230

225

222

1600/1800

250

10

256

251

248

1600/1800

300

12

307

302

299

1600/1800/2000

350

14

357

352

349

1600/1800/2000

400

16

409

403

400

1600/1800/2000/2200

450

18

460

454

451

1600/1800/2000/2200

500

20

511

505

502

1600/1800/2000/2200

550

22

562

556

553

1800/2000/2200/2400

600

24

613

607

604

2000/2200/2400/2700

650

26

663

659

656

2000/2200/2400/2700

700

28

714

710

707

2000/2200/2400/2700