China Manufacturer High Carbon UHP/High Power/RP Graphite Electrode 100 200 300 400 500 600 700mm
Using coal pitch as binder, the graphite electrode which is mainly made of CPC and NC is being made through the process of calcination, compounding, kneading, pressing, baking,impregnation, graphitization and machining. It is a conductor that release electrical energy to heat and melt the charge in the form of an electric arc in an electric arc furnace, and has the characteristics of low electrical resistivity, good electrical conductivity, low ash content, uniform structure, good oxidation resistance and high mechanical strength.
Materials: NC,CPC,Coal Pitch;
Process: CPC calcined,Crush,Forming,Baking,Graphited,Machining;
Grades: RP/HP/SHP/UHP;
Application: Used in EAF/LF to make steel.
Features:
Low resistivity
Good conductivity
Low ash
Compact and uniform structure
Good oxidation resistance
Mechanical strength
Product Parameters
Item | Unit | Graphite Electrode | ||||
| RP | HP | UHP | ||||
| φ300-φ800mm | φ300-φ800mm | φ300-φ500mm | φ550-φ800mm | |||
| Typical Value | Typical Value | Typical Value | Typical Value | |||
Resistivity | Electrode | μΩm | 7.0-10.0 | 5.8-6.6 | 4.5-5.8 | 4.6-5.8 |
| Nipple | 4.0-4.5 | 3.5-4.0 | 3.5-4.0 | 3.5-4.0 | ||
Modulus of Rupture | Electrode | Mpa | 8.0-10.0 | 10.0-13.0 | 10.0-14.0 | 10.0-14.0 |
| Nipple | 19.0-22.0 | 20.0-23.0 | 20.0-24.0 | 22.0-26.0 | ||
Young's Modulus | Electrode | GPa | 7.0-9.3 | 8.0-12.0 | 9.0-13.0 | 10.0-14.0 |
| Nipple | 12.0-14.0 | 14.0-16.0 | 15.0-18.0 | 16.0-19.0 | ||
Bulk Density | Electrode | g/cm3 | 1.53-1.56 | 1.64-1.68 | 1.68-1.74 | 1.70-1.74 |
| Nipple | 1.70-1.74 | 1.75-1.80 | 1.78-1.82 | 1.80-1.84 | ||
CTE (100-600ºC) | Electrode | 10-6/ºC | 2.2-2.6 | 1.6-1.9 | 1.1-1.4 | 1.1-1.4 |
| Nipple | 2.0-2.5 | 1.1-1.4 | 0.9-1.2 | 0.9-1.2 | ||
| Ash | % | 0.5 | 0.3 | 0.3 | 0.3 | |
