Technical Property of Graphite electrode (UHP):
|
Item
|
Unit
|
ND/Regular Size(mm)
|
||
|
250-400
|
450-500
|
|||
|
Specific Resistance
|
Electrode
|
μΩM
|
4.8-5.8
|
4.8-6.2
|
|
Nipple
|
4.0-4.5
|
4.0-4.5
|
||
|
Bending Strength
|
Electrode
|
Mpa
|
≥12
|
≥12
|
|
Nipple
|
≥18
|
≥18
|
||
|
Elastic Modulus
|
Electrode
|
Gpa
|
≤14
|
≤14
|
|
Nipple
|
≤18
|
≤18
|
||
|
Bulk Density
|
Electrode
|
g/cm3
|
1.66-1.74
|
1.66-1.74
|
|
Nipple
|
≥1.76
|
≥1.76
|
||
|
C.T.E
|
Electrode
|
10-6/℃
|
1.2-1.4
|
1.2-1.4
|
|
Nipple
|
1.0-1.2
|
1.0-1.2
|
||
|
Ash Content
|
Electrode
|
%
|
≤0.3
|
≤0.3
|
|
Nipple
|
≤0.3
|
≤0.3
|
||