Name : Graphite electrodes of general power (EG-RP) are manufactured for operation at currents with a density of not more than 17 A / cm2
The 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.
Our advantages : Manufacturer from China; Buy directly from the factory; High-quality products; Profitable price; We can produce various specifications in accordance with customer requirements.
Technical Characteristics of Graphite Electrode EG / 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 EG / 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 |
"RS Refractories" Graphite Electrode EG / RP Features
1 High-quality graphite electrode
2 For EAF steel arc furnace
3 Competitive price
4 Free consultation
