HP 400mm Graphite Electrode

Graphite electrode is one of the most important metallurgical products, mainly used as conductive material in electric arc furnace metallurgy production. HP graphite electrode is mainly used for ultra high power electric arc furnaces with the current density range of 18–25 A/cm2.
Graphite electrode Dimension
● Nominal Diameter: 406mm (min 403mm, max 409mm)
● Nominal Length: 1800/2100 mm (+100mm,-100mm)
● Nipple: 222 4TPI
● Nipple Diameter: 222.25 mm
● Nipple Length: 304.8 mm
● Typical weight of electrodes: 456kg
Physical and Chemical Parameters of HP400mm Graphite Electrode
| UHP400mmElectrodes | Bulk Density | Resistance | Flexual Strength | Young’s Modulue | ThermalExpansion | Ash |
| Unit | g/cm³ | μΩ.M | Mpa | Gpa | 10-6/ ℃ | % |
| Electrode | 1.65-1.72 | 5.3-6.5 | 9.0-12.5 | 6.5-10.0 | 1.5 | 0.3 |
| Nipple | 1.73-1.81 | 3.5-5.0 | 12.4-20.0 | 13.0-18.0 | 1.4 | 0.3 |
Advantage
● Anti-oxidation treatment for longevity
● High-purity, high-density, strong chemical stability
● Resistant to cracking & spalling
● High resistance to oxidation and thermal shock
● High mechanical strength, low electrical resistance
● High machining accuracy, good surface finishing
