graphite electrodes

We are the main exporter of the Graphite Electrodes RP,HP,UHP from Dia75 to Dia700mm.Length could be 1500mm to 2400mm.Our stable quality control and efficient service make our clients feel safe and economical to use our products.

SPECIFICATIONS

Items

Unit

Nominal Diameterç«ÂŠ�/span>mmç«ÂŠ�/span>

RP

HP

UHP

350~500

300~400

450~500

300~400

450~500

Electrical Resistivity  ï¿½ï¿½/span>≤

Electrode

μΩm

8.5

6.5

7

5.9

6.2

Tie-in

8

6

6

5.5

5.5

Break Resistance Intensity ≥

Electrode

Mpa

8

12

10.5

13

11

Tie-in

15

15

15

17

17

Elastic Modulus ≤

Electrode

ç«ÂŠ�/span>pa

9

11

11

12

12

Tie-in

13

14

14

16

16

Bulk Density ≥

Electrode

g/cm3

1.56

1.62

1.62

1.66

1.65

Tie-in

1.7

1.72

1.72

1.74

1.72

Thermal Expansion Coeffcient (100°C~600°C)≤

Electrode

10-6/°C

2.9

2.4

2.4

1.5

1.5

Tie-in

2.8

2.2

2.2

1.4

1.4

Ash Content ≤

ç«ÂŠ�/span>

0.5

0.5

0.3

0.3

0.3

Notes

ç«ÂŠ��Ash figure is only for reference
ç«ÂŠ��The specification and the current burthen of 50mm-700mmElectrode is according to customer demands��/span>

SUGGESTED CURRENT--CARRYING CAPACITY OF ELECTRODES

Nominal  Diameter

Suggested Current?arrying Capacityç«ÂŠ�/span>Aç«ÂŠ�/span>

 MM

 Inch

UHP

 R P

H P

150

6

3000~4500

200

8

5000~6900

250

10

7000~10000

300

12

15000~22000

10000~13000

13000~17400

350

14

20000~30000

13000~18000

17400~24000

400

16

25000~40000

18000~23500

24000~32000

450

18

32000~45000

22000~27000

32000~40000

500

20

38000~55000

25000~32000

40000~48000