RP 550mm Graphite Electrode
This kind of graphite electrode is mainly made of petroleum coke. It is allowed to carry the current density less than 12～14A/㎡. Generally it is used in regular power electric arc furnace for steel making, silicon making, yellow phosphorus making etc.
| Comparison Technical Specification for RP Graphite Electrode 22" | ||
| Electrode | ||
| Item | Unit | Supplier Spec |
| Typical Characteristics of Pole | ||
| Nominal Diameter | mm | 550 |
| Max Diameter | mm | 562 |
| Min Diameter | mm | 556 |
| Nominal Length | mm | 1800-2400 |
| Max Length | mm | 1900-2500 |
| Min Length | mm | 1700-2300 |
| Bulk Density | g/cm3 | 1.60-1.65 |
| transverse strength | MPa | ≥8.5 |
| Young' Modulus | GPa | ≤9.3 |
| Specific Resistance | µΩm | 7.5-8.5 |
| Maximum current density | KA/cm2 | 12-14 |
| Current Carrying Capacity | A | 28000-34000 |
| (C.T.E) | 10-6℃ | ≤2.4 |
| ash content | % | ≤0.3 |
| Typical Characteristics of Nipple (4TPI/3TPI) | ||
| Bulk Density | g/cm3 | ≥1.74 |
| transverse strength | MPa | ≥16.0 |
| Young' Modulus | GPa | ≤13.0 |
| Specific Resistance | µΩm | 5.8-6.5 |
| (C.T.E) | 10-6℃ | ≤2.0 |
| ash content | % | ≤0.3 |
Application
Graphite electrodes are widely used for production of alloy steels, metal and other nonmetallic materials.
* DC or AC electric arc furnace.
* Submerged arc furnace(abbreviated as SAF).
* Ladle furnace.
Certificates
Our products have passed ISO 9001 Quality Management System, and also we have been qualified to export graphite electrodes to the world by the authorization of Chinese goverment. With the good quality and excellent after sales service, our products are in a great demand in the world market.
