=Specification for graphite electrodes=

Items Unit Nominal Diaeter (mm)
75-130 150-200 250-350 400-500
Execllent Class First Class Execllent Class First Class Execllent Class First Class Execllent Class First Class

Resistance rate
Electrode connector
937; 8.5 10.0 9.0 11.0 9.0 11.0 9.0 11.0
8.5 8.5 8.5 8.

Anti-folding strength
Electrode connector
MPa 9.8
12.7 9.8
12.7 7.8
12.7 6.4
12.7

Elastic modulus≯
Electrode connector
GPa 9.3
13.7

Volume dendity≮
Electrode connector
g/cm 1.58
1.63 1.52
1.63 1.52
1.68 1.52
1.68
Ash content≯
% 0.5

Thermal expansion coefficient(100-600℃) ≯
Electrode connector
101/℃ 2.9
3.0 2.9
3.0 2.9
3.2 2.9
3.2