Customs code:8545190000
Properties: low resistivity, good conductivity, low ash, uniform and compact structure, good oxidation resistance, high mechanical strength.
Introduction: graphite electrode, mainly petroleum coke, needle coke as raw material, coal pitch as binder, calcination, ingredients, kneading, molding, baking and graphitization, machining and made, which is released in electric arc furnace in the form of arc conductor of electricity to heat melting furnace charge, with low resistivity, good conductivity, low ash, uniform and compact structure, good oxidation resistance, high mechanical strength, etc.
Product Parameters
Item
Unit
Ordinary power graphite electrode
High power graphite electrode
Ultra High Power
Electrode joint
The diameter
mm
100-350
400-500
200-350
400-500
250-500
200-500
Than the resistance
©m
6-9
7-10
6-7
6-7
4-5
4-7
Flexural strength
Mpa
10-12
6.5-10
10-15
10-13
12-22
12-20
Modulus of elasticity
Gpa
7-9
7-9.3
9-12
9-12
12-15
12-14
Thermal expansion coefficient
/
1.8-2.9* 10-6
1.7-2.9* 10-6
1.6-2.2* 10-6
1.5-2.2* 10-6
1.4-2.2* 10-6
1.5-2.2* 10-6
The compressive strength
Mpa
18-22
18-22
24-28
24-26
24-26
32-38
Bulk density
g/cm³
1.52-1.57
1.52-1.57
1.62-1.70
1.62-1.68
1.72-1.81
1.70-1.80
Ash
%
0.3
0.3
0.3
0.3
0.3
0.3
