|
|
|
 Graphite Electrode
|
|
High
Power graphite electrode |
|
Technical
Properties |
|
Item
|
Unit
|
Nominal diameter(mm)
|
|
200-300
|
350/400/450
|
|
Electric Receptivity
|
Electrode
|
μΩ·m
|
≤6.0
|
≤6.5
|
|
Nipple
|
≤5.5
|
≤6.0
|
|
Bending Strength
|
Electrode
|
MPa
|
≥12
|
≥11
|
|
Nipple
|
≥15
|
≥15
|
|
Elastic modulus
|
Electrode
|
Gpa
|
≤12.0
|
≤12
|
|
Nipple
|
≤14.0
|
≤14.0
|
|
Ash
|
|
%
|
≤0.3
|
≤0.3
|
|
CTE(100-600℃)
|
Electrode
|
10-6/°C
|
≤2.4
|
≤2.4
|
|
Nipple
|
≤2.2
|
≤2.2
|
|
Bulk density
|
Electrode
|
g/cm3
|
≥1.64
|
≥1.64
|
|
Nipple
|
≥1.73
|
≥1.73
|
|
|
Current Carrying capacity |
|
Nominal diameter
|
Actual diameter
|
Current carrying capacity
|
Current density
|
|
In.
|
mm
|
mm
|
A
|
A/cm2
|
|
8
|
200
|
203±2
|
8500-10000
|
27-37
|
|
10
|
250
|
254±2
|
12500-16000
|
25-34
|
|
12
|
300
|
305±2
|
17000-22500
|
23-31
|
|
14
|
350
|
355±2
|
22000-31000
|
23-31
|
|
16
|
400
|
406±2
|
26000-39000
|
21-30
|
|
18
|
450
|
457±3
|
32500-49000
|
20-30
|
|
20
|
500
|
508±3
|
40000-60000
|
20-30
|
|
|
Ultra high power graphite electrode |
|
Technical Properties技术指标 |
|
Item
|
Unit
|
Nominal diameter (mm)
|
|
250-400
|
450-500
|
|
Electric Receptivity
|
Electrode
|
μΩ·m
|
4.8-5.8
|
4.8-6.0
|
|
Nipple
|
≤4.5
|
≤5.0
|
|
Bending Strength
|
Electrode
|
MPa
|
≥12.0
|
≥11.0
|
|
Nipple
|
≥17.0
|
≥17.0
|
|
Elastic modulus
|
Electrode
|
Gpa
|
≤13.0
|
≤14.0
|
|
Nipple
|
≤16.0
|
≤16.0
|
|
Ash
|
|
%
|
≤0.3
|
≤0.3
|
|
CTE(100-600℃)
|
Electrode
|
10-6/°C
|
≤1.5
|
≤1.5
|
|
Nipple
|
≤1.3
|
≤1.3
|
|
Bulk density
|
Electrode
|
g/cm3
|
≥1.70
|
≥1.68
|
|
Nipple
|
≥1.76
|
≥1.76
|
|
|
Current
Carrying capacity |
|
Nominal Size / mm
|
Actual diameter
|
Current Carrying capacity
|
Current density
|
|
In.
|
Dia.
|
Length
|
mm
|
A
|
A/cm2
|
|
10
|
250
|
1800±100
|
254±2
|
|
|
|
12
|
300
|
305±2
|
18000-27000
|
25-35
|
|
14
|
350
|
355±2
|
27000-37000
|
28-38
|
|
16
|
400
|
406±2
|
33000-46000
|
26-36
|
|
18
|
450
|
1800/2000
±100
|
457±3
|
|
