High-Performance Graphite Electrode for Steel and Foundry Industries
RP graphite electrode is used in ordinary power electric arc furnaces such as steelmaking, silicon smelting, and yellow phosphorus smelting. Made of petroleum coke and coal pitch as raw materials. It is characterized by low ash content, good electrical conductivity, high temperature resistance, and does not melt or deform under high temperatures. RP graphite electrode as a conductive material in arc metallurgical furnaces for smelting various non-ferrous and rare metals. It can be used at current densities exceeding 17A/cm2.
Product Advantage
* High density, high temperature resistance, high mechanical strength and strong chemical stability.
* The surface can be treated with anti-oxidation.
* Corrosion resistance, strong acid and alkali resistance.
* Excellent thermal shock resistance, electrical conductivity and thermal conductivity.
* Strong wear resistance and lubricating performance.
* Long service life.
Application1. Electric arc steelmaking furnace.
2. Ore-heating furnaces.
3. Resistance furnaces.
Specifications for RP, HP, UHP graphite electrodes with nipples:| RP | HP | UHP |
Electrode:
Bulk Density≥ 1.56g/cm3
Specific Resistivity≤ 8.5μm
Bending Strength≥ 10.0MPa
Elastic Modulus≤ 9.3GPa
Thermal Expansion Coefficient≤ 2.7x10 -6/°C
Ash≤ 0.5%
Nipple:
Bulk Density≥ 1.68g/cm3
Specific Resistivity≤ 7.0μm
Bending Strength≥ 14.0MPa
Elastic Modulus≤ 13.7GPa
Thermal Expansion Coefficient≤ 2.5 x10 -6/°C
Ash≤ 0.5% | Electrode:
Bulk Density≥ 1.65g/cm3
Specific Resistivity≤ 6.5μm
Bending Strength≥ 12.0MPa
Elastic Modulus≤ 10.0GPa
Thermal Expansion Coefficient≤ 2.2x10 -6/°C
Ash≤ 0.3%
Nipple:
Bulk Density≥ 1.74g/cm3
Specific Resistivity≤ 5.5μm
Bending Strength≥ 16.0MPa
Elastic Modulus≤ 14.0GPa
Thermal Expansion Coefficient≤ 2.0 x10 -6/°C
Ash≤ 0.3% | Electrode:
Bulk Density≥ 1.68g/cm3
Specific Resistivity≤ 5.8μm
Bending Strength≥ 16.0MPa
Elastic Modulus≤ 14.0GPa
Thermal Expansion Coefficient≤ 1.9x10 -6/°C
Ash≤ 0.2%
Nipple:
Bulk Density≥ 1.76g/cm3
Specific Resistivity≤ 4.5μm
Bending Strength≥ 18.0MPa
Elastic Modulus≤ 16.0GPa
Thermal Expansion Coefficient≤ 1.4 x10 -6/°C
Ash≤ 0.2% |
| Actual diameters | Actual lengths |
| Mm | Mm | MAX | MIN | Rough spot | Length | Tolerance | Shot Ruler size |
| 200 | 8 | 204 | 201 | 198 | 1600 | ±100 | -275 |
| 250 | 10 | 256 | 252 | 248 | 1600
1800 |
| 300 | 12 | 307 | 303 | 299 |
| 350 | 14 | 357 | 353 | 347 |
| 400 | 16 | 409 | 404 | 400 | 1600
1800
2000
|
| 450 | 18 | 460 | 455 | 451 |
| 500 | 20 | 511 | 506 | 502 |
| 600 | 24 | 613 | 607 | 604 |
| 780 | 31.2 | 782 | 776 | 774 | 2000
2200
2400 | ±100 | -400 |
| 800 | 32 | 802 | 796 | 794 |
| 870 | 34.8 | 872 | 866 | 862 |
| 900 | 36 | 902 | 896 | 892 |
| 920 | 36.8 | 922 | 916 | 912 |
| 960 | 38.4 | 962 | 956 | 952 |
| 1020 | 40.8 | 1022 | 1016 | 1012 |
2200
2600
2800 |
| 1060 | 42.4 | 1062 | 1056 | 1052 |
| 1100 | 44 | 1102 | 1092 | 1092 |
| 1146 | 45.8 | 1148 | 1140 | 1138 |
| 1197 | 47.9 | 1199 | 1191 | 1189 |
| 1250 | 50 | 1252 | 1244 | 1242 |
| 1272 | 50.9 | 1274 | 1266 | 1264 |
| 1305 | 54.4 | 1307 | 1299 | 1297 |
| 1321 | 52.8 | 1323 | 1315 | 1313 |
| 1400 | 56 | 1402 | 1394 | 1392 |
The graphite electrode for arc furnaces and ladle refining furnaces for steel industries/steel plant in steel making.
Graphite electrodes will be stored in a clean and dry place. It can be used both indoors and outdoors. Whether indoors or outdoors, the goods will be loaded and transported away as soon as possible. If it is rainy or cloudy, the electrodes will be covered in advance to prevent damage.
| Specification | Regular power | High power | Ultra high power |
| Specific ResistanceμΩ•m(max) | Electrode | 8.5 | 6.5 | 5.5 |
| Nipple | 6.5 | 5.5 | 4.5 |
| Bulk densityg/cm3(min) | Electrode | 1.54 | 1.63 | 1.68 |
| Nipple | 1.69 | 1.73 | 1.75 |
| Modulus of rapture Mpa(min) | Electrode | 8.5 | 10.5 | 11.0 |
| Nipple | 15.0 | 16.0 | 20.0 |
| Yong’s Modulus Gpa(max) | Electrode | 9.3 | 12.0 | 14.0 |
| Nipple | 14.0 | 16.0 | 18.0 |
| Ash% (max) | Electrode | 0.5 | 0.3 | 0.2 |
| Nipple | 0.5 | 0.3 | 0.3 |
| CTE(100-600℃)10-6 | Electrode | 2.9 | 2.2 | 1.5 |
| Nipple | 2.8 | 2.0 | 1.4 |
* High density, high temperature resistance, high mechanical strength and strong chemical stability.
* The surface can be treated with anti-oxidation.
* Corrosion resistance, strong acid and alkali resistance.
* Excellent thermal shock resistance, electrical conductivity and thermal conductivity.
* Strong wear resistance and lubricating performance.
* Long service life.
Application:
1. High quality and strictly inspected petroleum coke, needle coke as raw material.
2. Low specific resisvitiy
3. Low conspumption rate
4. Anti-oxidation, uniform strength
5. Good resistance to thermal shock
6. Perfect match betwee body and nipple.
7. Professional , experienced reliable and safe package & transportation
The core advantages of the product:
- Anti-oxidation treatment for longevity.
- High-purity,high-density,strong chemical stability.
- High machining accuracy,good surface finishing.
- High mechanical strength,low electrical resistance.
- Resistant to cracking & spalling.
- High resistance to oxidation and thermal shock.
Variety:
1. RP (Regular Power)
2. HP (High Power)
3. UHP (Ultra High Power)
4. RPI (Regular Power Impregnated)
(Notice: All of Graphite Electrodes is equipped to tapered nipple
Packing Details:
Wooden Case/Pallets with steel strips or As the customer's requirements
Port:
Tianjin Port, Qingdao Port
Leading Time:
Shipped in 15-30 days after payment
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High-Performance Graphite Electrode for Steel and Foundry Industries Images
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