| SUITABLE CURRENT CAPACITY |
| |
Every graphite electrode have
a suitable working current, the user should select suitable
Dia. And grade of graphite electrode according to their condition arc
furnace, the following is recommending current capacity. |
| The electrode end cover should
not be removed or the nipple cartons. |
| Opened prior to use. |
|
Nominal
Diameter
mm
|
Regular Power
|
High Power
|
Ultra High Power
|
|
Current Carrying
Capacity A
|
Current
Density A/cm2
|
Current Carrying
Capacity A
|
Current
Density A/cm2
|
Current carrying
Capacity A
|
Current
Density A/cm2
|
|
75
|
1000-1400
|
22-31
|
|
|
|
|
|
100
|
1500-2400
|
19-30
|
|
|
|
|
|
130
|
2200-3400
|
17-26
|
|
|
|
|
|
150
|
3000-4500
|
16-25
|
|
|
|
|
|
200
|
5000-6900
|
15-21
|
|
|
|
|
|
250
|
7000-10000
|
14-20
|
|
|
|
|
|
300
|
10000-13000
|
14-18
|
13000-17400
|
17-24
|
|
|
|
350
|
13500-18000
|
14-18
|
17400-24000
|
17-24
|
|
|
|
400
|
18000-23500
|
14-18
|
21000-31000
|
16-24
|
25000-40000
|
19-30
|
|
450
|
22000-27000
|
13-17
|
25000-40000
|
15-24
|
32000-45000
|
19-27
|
|
500
|
25000-32000
|
13-16
|
30000-48000
|
15-24
|
38000-55000
|
18-27
|
|
550
|
30000-42000
|
13-18
|
44000-58000
|
18-24
|
48000-66000
|
20-28
|
|
600
|
40000-53000
|
14-19
|
52000-67000
|
18-24
|
55000-76000
|
19-27
|
|