Ultra-high power graphite electrode
Applied furnace | AC Furnace | DC Furnace | |||
Specification | 300-400mm | 450-500mm | 550-600mm | 650-700mm | |
Diameter | 12”-16” | 18”-20” | 22”-24” | 24”-28” | |
Bulk Density | g/cm3 | 1.65-1.76 | 1.64-1.75 | 1.64-1.75 | 1.64-1.75 |
Specific Resistance | μΩ.m | 4.2-6.0 | 4.2-6.0 | 4.2-6.0 | 4.2-5.5 |
Elastic Modulus | GPa | 7-14 | 7-14 | 7-14 | 7-14 |
Kgf/mm2 | 700-1400 | 700-1400 | 700-1400 | 700-1400 | |
Bending Strength | MPa | 10.5-15 | 10-15 | 10-15 | 10-15 |
Kgf/cm2 | 105-150 | 100-150 | 100-150 | 100-150 | |
N/cm2 | 1050-1500 | 1000-1500 | 1000-1500 | 1000-1500 | |
Coefficient of thermal expansion | X10-6/℃ | 1.0-1.5 | 1.0-1.5 | 1.0-1.5 | 1.0-1.4 |
True density | g/cm3 | 2.20-2.23 | 2.20-2.23 | 2.20-2.23 | 2.20-2.23 |
Porosity | % | 20-26 | 20-27 | 20-27 | 20-27 |
Ash | % | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
Nipple Characteristic Index
Item | ≤φ400 | φ450-500 | φ550 | φ600-700 |
Specific resistance | ≤4.0 | ≤3.8 | ≤3.6 | ≤3.6 |
Elastic Modulus | 18-24 | 17-25 | 20-28 | 20-28 |
Bending Strength | ≤18 | ≤18 | ≤18 | ≤18 |
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10-6/℃ CTE | 0.9-1.3 | 0.9-1.2 | 0.9-1.1 | 0.9-1.1 |
% Ash | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
APHITE EUHP GRLECTRODE CURRENT CAPACITY
SIZE | CURRENT CAPACITY | CURRENT DENSITY | |||
Inch | mm | AC | DC | AC | DC |
12 | 300 | 18000-32000 | -- | 24-43 | -- |
14 | 350 | 22000-47000 | -- | 22-39 | -- |
16 | 400 | 28000-47000 | -- | 21-36 | -- |
18 | 450 | 34000-55000 | -- | 21-33 | -- |
20 | 500 | 41000-63000 | -- | 20-31 | -- |
22 | 550 | 48000-70000 | 65000-78000 | 19-28 | 26-32 |
24 | 600 | 55000-80000 | 75000-90000 | 19-27 | 26-31 |
26 | 650 | 69000-89000 | 87000-104000 | 20-26 | 25-30 |
28 | 700 | 80000-100000 | 100000-120000 | 20-25 | 25-30 |