EAF Graphite Electrodes UHP 600X2700mm with 4TPI Long Type Nipples of 317.5×457.2 mm
Graphite electrode is one of the most important metallurgical products, mainly used as conductive material in electric arc furnace metallurgy production. UHP graphite electrodes are mainly used for steelmaking high-power and ultra-high power electric furnaces.
Graphite electrode Dimension
● Nominal Diameter: 610mm (min 607mm, max 613mm)
● Nominal Length: 2700 mm±10%
● Nipple: 317T4 (Long Type)
● Nipple Length: 457.2 mm
● Typical Weight: Electrodes and Nipple Approx.1220 kg
Graphite Nipple Dimension
Nipple Type: 317T4L
Nipple Diameter: 317.5 mm
Nipple Length: 457.2 mm
Nipple Socket Depth: 234.6 mm
Physical and Chemical Parameters of UHP600mm Graphite Electrode
| Index | Unit | YB/T4090 Industry Standard | |
| UHP 610mm | |||
| Typical Value | |||
| LSR≤ | Electrode | μΩ.M | 5.5 |
| Nipple | 3.8 | ||
| Flexural Strength ≥ | Electrode | Mpa | 11.0 |
| Nipple | 20.0 | ||
| Elastic Modulus ≤ | Electrode | Gpa | 14.0 |
| Nipple | 22.0 | ||
| Bulk Density ≥ | Electrode | g/cm³ | 1.66 |
| Nipple | 1.75 | ||
| CTE ≤ | Electrode | 10-6/ ℃ | 1.1 |
| Nipple | 0.9 | ||
| Ash ≤ | % | 0.3 | |
| Current Carrying Capacity | A | AC 70000-90000DC 750000-100000 | |
Advantage
● Withstand large currents, high discharge rate.
● Good dimension stability, not easy to deform.
● Resistant to cracking & spalling.
● High resistance to oxidation and thermal shock.
● High mechanical strength, low electrical resistance.
● High machining accuracy, good surface finishing.
