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 CARBON PRODUCTS


Graphite Electrode (RP)

High Power Graphite Electrode (HP)                       

Ultra-High Power Graphite Electrode (UHP)                                  

 

Items

Unit

Nominal Diametermm

RP

HP

UHP

150~900

300~400

450~600

300~400

450~600

Electrical Resistivity  

Electrode

̦m

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

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 (100C~600C)

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

0.5

0.5

0.3

0.3

0.3

Notes

Ash figure is only for reference
The specification and the current burthen of 50mm-700mmElectrode is according to customer demands

SUGGESTED CURRENT--CARRYING CAPACITY OF ELECTRODES

Nominal  Diameter

 
Suggested CurrentCarrying CapacityA

 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

 

SPECIFICATIONS & ALLOWANCE OF GRAPHITE ELECTRODES

 Diameter (mm)

  Length (mm)

 Nominal Diameter

  Actual Diameter

  Nominal
Length
(mm)

 Allowance

 MM

  Inch

 Max

 Min

 Length

 Short Dimension





100










100














2 1 0 0

100

Note: In Compliance with international standardIEC 239/1987,each batch delivery is allowed to include electrodes with the length of 15% short-dimension.

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