| Category | No. | Specifications | |
| Diameter (mm) | Length (mm) | ||
| Ultra high power graphite electrode | 1 | 300 | 1800 |
| 2 | 350 | 1800 | |
| 3 | 400 | 2200 | |
| 4 | 450 | 1800 | |
| 5 | 500 | 2200 | |
| 6 | 550 | 2300 | |
| 7 | 600 | 2400 | |
| 8 | 700 | 2700 | |
| Technical Properties of Ultra High Power Graphite Electrodes and nipple | ||||||||
| Item | Classification | Unit | NominalDiameter (mm) | |||||
| 300-400 | 450-500 | 550-700 | ||||||
| Electric Resistivuty( <= ) | Elatrode | μ Ω.m | 6.2 | 6.2 | 6.3 | |||
| Nipple | 5.0 | 5.0 | 4.5 | |||||
| Bending strength( >= ) | Elatrode | Mpa | 10.5 | 10.5 | 11.0 | |||
| Nipple | 18.0 | 18.0 | 20.0 | |||||
| Elastic moduluc( <= ) | Elatrode | Gpa | 14.0 | 14.0 | 14.0 | |||
| Nipple | 18.0 | 18.0 | 22.0 | |||||
| Bulk density( >= ) | Elatrode | g/cm 3 | 1.66 | 1.66 | 1.66 | |||
| Nipple | 1.75 | 1.75 | 1.75 | |||||
| CTE( <= ) | Elatrode | X10 -6 / ºC | 1.5 | 1.5 | 1.4 | |||
| Nipple | 1.4 | 1.4 | 1.2 | |||||
| Ash( <= ) | % | 0.3 | 0.3 | 0.5 | ||||
| Note: Ash content and thermal expansion coefficient are parameter indicators | ||||||||