RP Graphite Electrode
Dependable, economical electrode for standard-power furnace operation.
Request this productEngineered for dependable operation.
RP graphite electrodes are designed for standard-current electric furnaces, ferroalloy furnaces and silicon furnaces where dependable operation and cost control are priorities.\n\nMultiple diameter groups and matched nipples are available, with final values confirmed by product grade and order specification.
Technical parameters for product selection.
Structured by grade, component and size so purchasing and engineering teams can compare the required values directly.
| Parameter | Component | Diameter (mm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 75-130 | 150-225 | 250-300 | 350-450 | 500-800 | |||||||
| Premium | Grade A | Premium | Grade A | Premium | Grade A | Premium | Grade A | Premium | Grade A | ||
| Electrical resistivity ≤, μΩ·m | Electrode | 8.50 | 10.00 | 9.00 | 10.50 | 9.00 | 10.50 | 9.00 | 10.50 | 9.00 | 10.50 |
| Nipple | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | ||||||
| Flexural strength ≥, MPa | Electrode | 10.0 | 10.0 | 8.0 | 7.0 | 6.5 | |||||
| Nipple | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | ||||||
| Elastic modulus ≤, GPa | Electrode | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | |||||
| Nipple | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | ||||||
| Bulk density ≥, g/cm³ | Electrode | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | |||||
| Nipple | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | ||||||
| Coefficient of thermal expansion (CTE) 100-600°C, ≤ 10⁻⁶/°C | Electrode | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | |||||
| Nipple | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | ||||||
| Ash content ≤, % | - | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |||||
Confirm more than a diameter.
Send transformer capacity, furnace type, tap-to-tap time, current load and existing electrode data for a practical recommendation.
Electrical load
Grade and resistivity should match transformer power and current density.
Mechanical stability
Strength, density and handling practice affect breakage risk and consumption.
Joint compatibility
Thread system, nipple designation, socket accuracy and tightening practice work together.
