TECHNICAL CHART OF GRAPHITE ELECTRODES
(standard chart)
Item | Unit | RP Grade Ø 100 to 500mm | IP Grade Ø 100 to 500mm | HP Grade Ø 100 to 500mm | SHP Grade Ø 100 to 500mm | UHP Grade Ø 100 to 500mm |
Electrode Resistivity ≯Nipple | μΩM | 9.0 8.5
| 8.0 7 .5
| 7.0 6 .5
| 6.5 5.5
| 6.5 5.5
|
Electrode Bending strength ≯ Nipple | MPa | 6.4-9.8 13.0
| 8.0 13.0 | 9.8 14.0
| 10.0 15.0
| 10.0 16.0
|
Electrode Elastic Modulus ≯ Nipple | GPa | 9.3 14.0
| 12.0 14.0
| 12.0 16.0 | 14.0 18.0 | 14.0 18.0
|
Electrode Bulk Denisity ≯ Nipple | g/cm 3 | 1.52 1.68
| 1.58 1.68
| 1.60 1.70
| 1.62 1.70
| 1.64 1.70
|
Electrode CTE
≯ Nipple | 10 100~600 ℃ | 2.9 2.8
| 2.7 2.5
| 2.4 2.2
| 2.2 1.6
| 1.5 1.4
|
ASH | % | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 |
(corporate standard chart)
Item | Unit | RP Grade Ø 100 to 500mm | IP Grade Ø 100 to 500mm | HP Grade Ø 100 to 500mm | SHP Grade Ø 100 to 500mm | UHP Grade Ø 100 to 500mm |
Electrode Resistivity ≯ Nipple
|
μΩM | 8.5 8.5
| 7.5 7.0
| 6.5 6 .0
| 6.5 5.5
| 6.5 5.5
|
Electrode Bending strength ≯ Nipple
|
MPa
| 9.8 13.0
| 10.0 13.0
| 10.0 14.0
| 10.0 16.0
| 10.5 16.0
|
Electrode Elastic Modulus ≯ Nipple
|
GPa
| 9.3 14.0
| 12.0 14.0
| 12.0 14.0
| 14.0 18.0 | 14.0 18.0
|
Electrode Bulk Density ≯ Nipple |
g/cm
| 1.53 1.69
| 1.62 1.70
| 1.63 1.72
| 1.64 1.72
| 1.65 1.72
|
Electrode CTE ≯ Nipple
|
100~600 | 2.9 2.8
| 2.7 2.5
| 2.4 2.2
| 2.2 1.6
| 1.5 1.4
|
ASH | %
| 0.5 | 0.3 | 0.3
| 0.3
| 0.3 |