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China Factory best selling High Density Graphite Rod – RP Graphite Electrode Good Electrical Conductivity – Rongsheng factory and manufacturers | Rongsheng Detail:
Graphite electrode rp uses domestic petroleum coke and asphalt as raw materials, in accordance with the regular power graphite electrode production processes, calcination, dosing, kneading, forming, baking, graphite and machining refined. The nipple uses one time of impregnation and two time of baking processes.
- Good electrical conductivity,
- High resistance to thermal shock ,
- High mechanical strength,
- For steel making electric arc furnace.
Advantages of Graphite Electrode RP
- Excellent resistance to thermal shock and conduction,
- Good wear resistance, good lubricity and long service life,
- The surface can be used for the long life of anti oxidation treatment,
- High temperature resistance, corrosion resistance, strong acid resistance.
Technical Characteristics of Graphite Electrode RP
| Name |
Unit |
diameter of electrode 300mm-600mm |
| standard |
Actual measurement |
| Electrode |
Nipple |
Electrode |
Nipple |
| Specific electrical resistivity |
μOhm • m |
9.0-10.5 |
8.5 |
8.0-9.0 |
7.5 |
| Limit of mechanical resistance to bending |
MPa |
6.4-7.8 |
13 |
9.0-10 |
15 |
| Elastic modulus |
GPa |
9.3 |
14 |
9 |
13.7 |
| Ash content, not more than |
% |
0.5 |
0.3 |
0.5 |
0.3 |
| Bulk density, not less than |
g / cm3 |
1.52 |
1.68 |
1.56-1.62 |
1.7. |
| Thermal coefficient of linear expansion |
× 10-6 / ℃ |
2.9 |
2.8. |
2.4 |
2.2 |
The Length & Diameter & Permissible Deviation of the Electrode
| A type |
Diameter |
Length |
| Nominal diameter |
Nominal length |
tolerance |
| Millimeter (mm) |
Inch (inch) |
| Small type |
75 |
2.95 |
1200/1400 |
± 100 |
| 86 |
3.38 |
± 100 |
| 100 |
3.93 |
± 100 |
| 130 |
5.11 |
± 100 |
| 150 |
5.9 |
1600/1800 |
± 100 |
| 200 |
7.87 |
± 100 |
| 225 |
8.85 |
± 100 |
| 250 |
9.84 |
± 100 |
| Common Type |
300 |
12 |
1600/1800/2000/2200 |
± 100 |
| 350 |
14 |
± 100 |
| 400 |
16 |
± 100 |
| 450 |
18 |
± 100 |
| 500 |
20 |
± 100 |
| 550 |
22 |
± 100 |
| 600 |
24 |
± 100 |
| Large type |
780 |
30.7 |
2000 |
± 100 |
| 800 |
31.49 |
± 100 |
| 850 |
33.46 |
± 100 |
| 960 |
37.79 |
± 100 |
| 1200 |
47.24 |
± 100 |
Graphite Electrode RP Current Capacity
| Nominal diameter |
Permissible current power |
The current density (A / cm2) |
| Millimeter (mm) |
Inch (inch) |
| 300 |
12 |
10000-13000 |
14-18 |
| 350 |
14 |
13500-18000 |
14-18 |
| 400 |
16 |
18000-23500 |
14-18 |
| 450 |
18 |
22000-27000 |
13-17 |
| 500 |
20 |
25000-32000 |
13-16 |
| 600 |
24 |
30000-36000 |
12-15 |
Applications of Graphite Electrode RP
Graphite electrode RP is used in an electric smelting furnace or an arc furnace of a total power for smelting steel, silicon, yellow phosphorus, etc. and RP Graphite electrode can be widely used in the electric smelting furnace for producing the ferroalloy, pure silicon, yellow phosphorus, copper matte, calcium carbide and so on.
Graphite Electrode RP Manufacturer from RS Refractory Factory
RS refractory factory as a professional graphite electrode rp manufacturer in china, have many competitive advantages in the market. if you have demand of rp graphite electrodes, or have some questions on rp graphite electrode about physical and chemical indicators, please contact us for free, we will provide you with high quality rp graphite electrodes.
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Adhering to the principle of "quality, service, efficiency and growth", we have gained trusts and praises from domestic and international client for China Factory best selling High Density Graphite Rod – RP Graphite Electrode Good Electrical Conductivity – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Iraq, Kyrgyzstan, Philippines, We have more than 200 staff including experienced managers, creative designers, sophisticated engineers and skilled workers. Through hard work of all employees for the past 20 years own company grew stronger and stronger. We always apply the "client first" principle. We also always fulfill all contracts to the point and therefore enjoy excellent reputation and trust among our customers. You are very welcome to personally visit our company.We hope to start a business partnership on the basis of mutual benefit and successful development . For more information please do no hesitate to contact us..