• Name: GRAPHITE ELECTRODE
  • NO.: KMG-GE
  • Time: 2012-08-28
  • Views : 1501

Graphite Electrode

  Our graphite electrodes including Regular Power(RP), High Power(HP), Super High Power, and Ultra High Power(UHP) are widely used in electric furnaces for smelting of steel,alloy steel,various alloys and non-metals.

technical properties:

Regular-power graphite electrodes technical properties:

 

Items
Unit
Nominal diameter(mm)
75-130
150-200
250-350
400-500
Specific resistance
Electrode
μΩm
8.5
9.0
9.0
9.0
Nipple
8.5
8.5
8.5
8.5
Transverse strength
Electrode
MPa
9.8
9.8
7.8
6.4
Nipple
12.7
12.7
12.7
12.7
Elastic modulus
Electrode
GPa
9.3
9.3
9.3
9.3
Nipple
13.7
13.7
13.7
13.7
Ash content
Electrode
%
0.5
0.5
0.5
0.5
Nipple
Bulk density
Electrode
g/cm3
1.58
1.52
1.52
1.52
Nipple
1.63
1.63
1.68
1.68
C. T. E
Electrode
10-6 1/℃
2.9
2.9
2.9
2.9
Nipple
3.0
3.0
3.2
3.2

Allowable current:

Nominal diameters (mm)
Allowable current(A)
200
5000-6900
250
7000-10000
300
10000-13000
350
13500-18000
400
18000-23500
450
22000-27000
500
25000-32000

High-power graphite electrodes technical properties:

Items
Unit
Nominal diameter300-500mm
Specific resistance
Electrode
μΩm
7.0
Nipple
6.5
Transverse strength
Electrode
MPa
10.0
Nipple
14.0
Elastic modulus
Electrode
GPa
12.0
Nipple
14.0
Ash content
Electrode
%
0.3
Nipple
Bulk density
Electrode
g/cm3
1.64
Nipple
1.72
C. T. E
Electrode
10-6 1/℃
2.4
Nipple
2.2

Allowable current:

Nominal diameters(mm)
Allowable current(A)
300
13000-17400
350
17400-24000
400
21000-31000
450
25000-40000
500
30000-48000

Super high power graphite electrodes technical properties:

Items
Unit
Nominal diameter400-500mm
Specific resistance
Electrode
μΩm
6.0
Nipple
4.0
Transverse strength
Electrode
MPa
12.0
Nipple
20.0
Elastic modulus
Electrode
GPa
12.0
Nipple
18.0
Ash content
Electrode
%
0.1
Nipple
Bulk density
Electrode
g/cm3
1.65
Nipple
1.74
C. T. E
Electrode
10-6 1/℃
1.90
Nipple
1.40

Allowable current:

Nominal diameters(mm)
Allowable current(A)
400
25000-40000
450
32000-45000
500
38000-55000

Ultra high power graphite electrodes technical properties:

Items
Unit
Nominal diameter400-500mm
Specific resistance
Electrode
μΩm
5.8
Nipple
4.0
Transverse strength
Electrode
MPa
12.0
Nipple
20.0
Elastic modulus
Electrode
GPa
12.0
Nipple
18.0
Ash content
Electrode
%
0.1
Nipple
Bulk density
Electrode
g/cm3
1.65
Nipple
1.74
C. T. E
Electrode
10-6 1/℃
1.7
Nipple
1.4

 

Allowable current:

Nominal diameters(mm) Allowable current(A)
400 25000-40000
450 32000-45000
500 38000-55000

 

Packing: