RP Graphite Electrodes 350-800mm for Electric Furnace Smelting with 6.5-7 MPa Bending Strength and 0.5% Ash Content
RP graphite electrodes (Regular Power) are essential components for electric furnace smelting applications. Manufactured from premium petroleum coke, needle coke, and coal tar pitch, these electrodes feature exceptionally low ash content for enhanced stability and reduced impurity interference during smelting processes.
- Low thermal expansion coefficient minimizes fracture risk under high-temperature conditions
- Superior thermal shock resistance maintains performance during rapid temperature changes
- High mechanical strength withstands significant external forces
- Low resistance ensures smooth current flow and reduced energy loss
- Excellent oxidation resistance operates reliably in harsh high-temperature environments
- Low consumption rate helps reduce operational costs
Our comprehensive quality control covers every production stage: raw material selection, calcination, batching, kneading, molding, roasting, impregnation, graphitization, and precision machining. High-precision processing ensures excellent pre-assembly accuracy between electrode body and joint, while rigorous finished product inspections guarantee an extremely high pass rate.
| Property | Unit | RP 300-450mm | RP 500-800mm | ||
|---|---|---|---|---|---|
| Specific Resistance (Electrode) | μΩ·m | 9-10.5 | 9-10.5 | ||
| Specific Resistance (Nipple) | μΩ·m | 8 | 8 | ||
| Bending Strength (Electrode) | MPa | 7 | 6.5 | ||
| Bending Strength (Nipple) | MPa | 15 | 15 | ||
| Young's Modulus (Electrode) | GPa | 9.3 | 9.3 | ||
| Bulk Density (Electrode) | g/cm³ | 1.53 | 1.52 | ||
| CTE 100-600°C (Electrode) | 10⁻⁶/°C | 2.9 | 2.9 | ||
| Ash Content | % | 0.5 | 0.5 | ||
| Diameter × Length | Electrode Diameter (mm) | Electrode Length (mm) |
|---|---|---|
| 14×60 (350×1500) | 352-357 | 1400-1550 |
| 16×60 (400×1500) | 403-409 | 1400-1550 |
| 18×72 (450×1800) | 454-460 | 1700-1875 |
| 20×72 (500×1800) | 505-511 | 1700-1875 |
| 22×84 (550×2100) | 556-562 | 1975-2175 |
| 24×84 (600×2100) | 607-613 | 1975-2175 |
| 28×110 (700×2700) | 708-714 | 2550-2850 |
RP graphite electrodes are primarily used in regular power electric furnaces for steelmaking, silicon smelting, and yellow phosphorus smelting. Their high current carrying capacity meets electrical requirements across various working conditions, ensuring efficient and stable smelting process operation.
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