Durable Graphite Electrodes with Optimal Bulk Density and Bending Strength Suitable for Electric Arc Furnace Operations
Graphite electrode refers to a kind of resistant electrode made of petroleum coke and pitch coke as aggregates and coal pitch as binder. It is made by calcining raw materials, crushing and grinding, batching, kneading, shaping, roasting, impregnation, graphitization and mechanical processing. High temperature graphite conductive material. It can be divided into ordinary power graphite electrode, high power graphite electrode and ultra high power graphite electrode.
| 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
Raw material:
Made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch.
Production Process:
calcining,burdening,kneading,forming,baking and pressure impregnation, graphitizationand then precision machined with professional CNC machining.such of the products own characteristics.
Features:
- low resistivity
- good electrical conductivity
- low ash
- compact structure
- good anti oxidation and high mechanical strength
so it is the best conductive material for electric arc furnace and smelting furnace.
The Most Reliable Manufacturer For Graphite Products With Over 30 Years Experience:
High Quality Materials: High-purity needle coke & low quinoline insoluble coal tar pitch, ash ≤0.5%, dense structure, ensuring stability for high-temperature work.
Excellent Performance:High temp resistance ≥3000℃, resistivity ≤8.0μΩm, excellent conductivity, 8%-12% lower loss than industry average, reducing costs.
Full Customization: 150-750mm size, covering RP/HP/UHP series, suitable for EAF, ladle furnaces and other scenarios.
Strict Quality Control: Multiple precision processes, 100% qualification rate for each batch.
Factory Direct: Own base, monthly output 5000 tons, no middlemen, high cost-performance, supporting small trial orders and stable supply.
Ultra High Power (UHP) Graphite Electrode, Needle Coke Material, For Steel Smelting, Customizable.
High Power Graphite Electrode 150-700mm for EAF, High Temp Resistance, Low Loss, Factory Direct
Regular Power (RP) Graphite Electrode, High Strength, Excellent Conductivity, For Metallurgy & Chemical.
EAF Graphite Electrode ,Steel Smelting Graphite Electrode,Custom Graphite Electrode,Graphite Electrode Manufacturer
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Durable Graphite Electrodes with Optimal Bulk Density and Bending Strength Suitable for Electric Arc Furnace Operations Images
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