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
Niple
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
Niple
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
Niple
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
Niple
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
Niple
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)
300
12
307
302
350
14
357
352
1800
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.
