| Graphite
Electrode (NQS3C-G-500) |
| The
graphite electrodes are used for electric arc furnace and
ladle furnace. |
|
(1)
Equipment and size of electrodes in inches
|
| @ |
Electric arc
furnace |
Ladle
furnace |
| Chita
Plant |
ł20~72Cł22~72 |
ł14~72 |
| Shibukawa
Plant |
ł14~72Cł16~72 |
ł10~72 |
| Tsukiji
Plant |
ł14~60Cł14~72 |
| |
|
|
|
|
(2)
Performance
|
| @ |
Electric
arc furnace |
Ladle
furnace |
|
Pole |
Nipple |
Pole |
Nipple |
| Bulk
density (gm/cm3) |
>1.7 |
>1.8 |
>1.6 |
>1.7 |
| Resistively
(Ęśm) |
<5.0 |
<3.5 |
<6.5 |
<5.5 |
| Compressive
strength(kg/cm2) |
>200 |
>200 |
>200 |
>200 |
| Tensile
strength
(kg/cm2) |
>40 |
>40 |
>40 |
>40 |
Coeff.
of thermal expansion
@@@(cm/cm/~10-6) |
<1.8 |
<1.8 |
<1.8 |
<1.8 |
| Young's
modulus (kg/mm2) |
>1,100 |
>2,000 |
>800 |
>1,000 |
| Ash
(%)
|
<0.2 |
<0.2 |
<0.3 |
<0.3 |
|
|
