Description For High-Efficiency And Durable RP Graphite Electrodes For Electric Furnace Smelting:
RP graphite electrodes, namely regular power graphite electrodes, play a crucial role in the electric furnace smelting industry. Crafted meticulously from high-quality petroleum coke, needle coke, and coal tar pitch, these electrodes feature a remarkably low ash content. This characteristic ensures their stability during use and effectively reduces the interference of impurities in the smelting process.
These electrodes boast an excellent low thermal expansion coefficient, significantly decreasing the likelihood of fracture caused by thermal expansion and contraction under high-temperature conditions. Meanwhile, their consumption rate remains at a relatively low level, helping you cut costs. With superior thermal shock resistance, RP graphite electrodes can maintain good performance when facing rapid temperature changes, remarkably reducing the incidence of breakage and fracture.
During the production process, we exercise strict control over every single procedure. From the selection of raw materials to calcination, batching, kneading, molding, roasting, impregnation, graphitization, and finally machining, we strive for perfection in each step. Through high-precision processing techniques, we ensure that the pre-assembly accuracy of the graphite electrode body and the joint reaches an excellent standard, providing you with reliable products. Additionally, we conduct rigorous inspections on the finished products, leaving no detail overlooked, guaranteeing that each RP graphite electrode has an extremely high pass rate.
In practical applications, RP graphite electrodes are mainly used in regular power electric furnaces, such as those for steelmaking, silicon smelting, and yellow phosphorus smelting. Their high current carrying capacity can meet the electrical requirements of electric furnaces under various working conditions, ensuring the efficient and stable operation of the smelting process. The good anti-breakage performance enables the electrodes to remain intact in complex usage environments, extending their service life. Moreover, with high oxidation resistance and thermal shock resistance, they can operate reliably under harsh conditions of high temperature and strong oxidation.
RP graphite electrodes have high mechanical strength, allowing them to withstand significant external forces and be less prone to damage. Their low resistance property ensures smooth current flow, reducing energy loss. In terms of machining precision, we have achieved the highest standards, ensuring a high surface finish of the electrodes, which further enhances their performance and service life.
| PHYSICAL&CHEMICAL PROPERTLES OF ELECTRODE AND NIPPLE |
| Item | Unit | Nominal Diameter(mm) |
| | | RP | HP | UHP |
| | | 300~450 | 500~800 | 350 ~500 | 550 ~700 | 350~500 | 550~750 |
| | | | | | | Guaranteed | Typical | Guaranteed | Typical |
| | | | | | | | | | |
Specific Resistance
LSR≤ | (E)
Electrode | μ2*m | 9 - 10.5 | 9 - 10.5 | 7.5 | 7.5 | 6.3 | 5.0 - 6.0 | 5.8 | 4.8 - 5.5 |
| | (N)
Nipple | | 8 | 8 | 6.3 | 6.3 | 5.3 | 3.8 - 4.5 | 4.3 | 3.5 - 4.1 |
Bending Strength
≥ | (E)
Electrode | Mpa | 7 | 6.5 | 10 | 8.5 | 10.5 | 11.0 - 13.0 | 10 | 10.0 - 13.0 |
| | (N)
Nipple | | 15 | 15 | 17 | 17 | 20 | 20.0 - 25.0 | 23 | 24.0 - 30.0 |
Young's
Modulus ≤ | (E)
Electrode | Gpa | 9.3 | 9.3 | 14 | 14 | 14 | 8.0 - 12.0 | 14 | 7.0 - 10.0 |
| | (N)
Nipple | | 14 | 14 | 16 | 16 | 20 | 12.0 - 16.0 | 22 | 16.0 - 21.0 |
| Bulk Density | (E)
Electrode | g/cm³ | 1.53 | 1.52 | 1.6 | 1.6 | 1.66 | 1.68 - 1.73 | 1.68 | 1.69 - 1.73 |
| | (N)
Nipple | | 1.7 | 1.7 | 1.72 | 1.72 | 1.75 | 1.76 - 1.82 | 1.78 | 1.79 - 1.84 |
(100℃-600℃)
CTE ≤ | (E)
Electrode | 10-6/℃ | 2.9 | 2.9 | 2.4 | 2.4 | 1.5 | 1.3 - 1.5 | 1.5 | 1.3 - 1.5 |
| | (N)
Nipple | | 2.8 | 2.8 | 2.2 | 2.2 | 1.4 | 1.0 - 1.3 | 1.3 | 1.0 - 1.3 |
| Ash Content ≤ | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.2 - 0.4 | 0.5 | 0.2 - 0.4 |
| Raphite Electrode Size&Tolerance |
Name |
Eactroda Diarmetar |
Eecros Length |
Damter x Length |
Maximum |
Minimum |
Maximum |
| inch | mm | mm | mm | mm | mm |
| 14×60 | 350×1500 | 357 | 352 | 1550 | 1400 |
| 14×72 | 350×1800 | | | 1875 | 1700 |
| 14×96 | 350×2400 | | | 2475 | 2275 |
| 16×60 | 400×1500 | 409 | 403 | 1550 | 1400 |
| 16×72 | 400×1800 | | | 1875 | 1700 |
| 16×96 | 400×2400 | | | 2475 | 2275 |
| 18×72 | 450×1800 | 460 | 454 | 1875 | 1700 |
| 18×96 | 450×2400 | | | 2475 | 2275 |
| 18×110 | 450×2700 | | | 2850 | 2550 |
| 20×72 | 500×1800 | 511 | 505 | 1875 | 1700 |
| 20×84 | 500×2100 | | | 2175 | 1975 |
| 20×96 | 500×2400 | | | 2475 | 2275 |
| 20×110 | 500×2700 | | | 2850 | 2550 |
| 22×84 | 550×2100 | 562 | 556 | 2175 | 1975 |
| 22×96 | 550×2400 | | | 2475 | 2275 |
| 24×84 | 600×2100 | 613 | 607 | 2175 | 1975 |
| 24×96 | 600×2400 | | | 2475 | 2275 |
| 24×110 | 600×2700 | | | 2850 | 2550 |
| 26×110 | 650×2700 | 663 | 657 | 2850 | 2550 |
| 28×110 | 700×2700 | 714 | 708 | 2850 | 2550 |
