Graphite Electrodes

Physical and chemical properties
item
regular power
high
power
ultra high power
unit
φ150-200mm
φ225-350mm
φ400-500mm
specific electrical resistance (max)
electrode nipple
μω.m
9.0
7.5
9.0
7.5
9.0
7.5
7.0
5.5
6.0
5.0
bending
strength (min)
electrode nipple
mpa
9.8
13.0
7.8
13.0
6.4
13.0
10.5
14.0
10.5
16.0
elastic modulus(max)
electrode nipple
gpa
9.3
13.7
9.3
13.7
9.3
13.7
12.0
14.0
10.5
15.0
bulk density(min)
electrode nipple
gm
1.52
1.63
1.52
1.63
1.52
1.63
1.60
1.70
1.65
1.72
coefficient of thermal expansion(max)
electrode nipple
10-6°c
2.9
2.7
2.9
2.8
2.9
2.8
2.4
2.2
1.5
1.4
ash (max)
%
0.3
0.3
0.3
0.3
0.3
1. Our raw material adopts 100% needle coke from japan's mitsubishi.
2. Manufacture equipment is 3500 ton hydraulic, 10000kva dc grahitization furnace.
3. We have supplied to bao steel, an steel, sovel and so on. Products have been supplied to over 30 countries