China M72 Low Unit Consumption UHP500 UHP550 mm Rongxing Graphite Electrode, Find details about China UHP500 Graphite Electrode, UHP550 Graphite Electrode from M72 Low Unit Consumption UHP500 UHP550 mm Rongxing Graphite Electrode
Category: Regular powder electrode RP, high-power electrode HP,
ultra-high-power electrode UHP...
Uses: used in steel, metallurgy industries.
Length: 1800-2700mm
Diameter: 200-600mm
Property
1. Low resistivity
2. Good conductivity
3. Low ash
4. Compact and uniform structure
5. Good oxidation resistance
6. Mechanical strength
Specification:
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 |
Current load and current density:
Diameter | RP | HP | UHP | |||
mm | Current Load (A) | Current Density (A/cm³) | Current Load (A) | Current Density (A/cm³) | Current Load (A) | Current Density (A/cm³) |
200 | 5000-6900 | 15-21 | 5500-9000 | 18-25 | ||
225 | 6100-8600 | 15-21 | 6500-10000 | 18-25 | ||
250 | 7000-10000 | 14-20 | 8000-13000 | 18-25 | 8100-12200 | 20-30 |
300 | 10000-13000 | 14-18 | 13000-17400 | 17-24 | 15000-22000 | 20-30 |
350 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
400 | 18000-23500 | 14-18 | 21000-31000 | 16-24 | 25000-40000 | 19-30 |
450 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
500 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
550 | 32000-40000 | 13-16 | 37000-57000 | 15-23 | 42000-66000 | 17-26 |
600 | 38000-47000 | 13-16 | 44000-67000 | 15-23 | 49000-76000 | 17-26 |
Capacity of furnace | EAF furnace | LF furnace |
5 ton | 250RP | |
10 ton | 350HP | 250RP |
20 ton | 400HP | 300HP |
30 ton | 450HP | 350HP |
50 ton | 500UHP | 350HP |
75 ton | 550UHP | 350UHP |
100 ton | 600UHP | 450UHP |
150 ton | 700UHP | 450UHP |