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Physical and Chemical properties
Item | Regular power |
High power | Ultra high power | ||||
Unit | φ150-200mm | φ225-350mm | φ400-500mm | ||||
Specific electrical resistance (max) | Electrode Nipple | μΩ.m | 9.0 7.5 | 9.0 7.5 | 9.0 7.5 | 7.0 5.5 | 6.0 5.0 |
Bending strength (min) | Electrode Nipple | MPa | 9.8 13.0 | 7.8 13.0 | 6.4 13.0 | 10.5 14.0 | 10.5 16.0 |
Elastic Modulus(max) | Electrode Nipple | GPa | 9.3 13.7 | 9.3 13.7 | 9.3 13.7 | 12.0 14.0 | 10.5 15.0 |
Bulk density(min) | Electrode Nipple | g/m | 1.52 1.63 | 1.52 1.63 | 1.52 1.63 | 1.60 1.70 | 1.65 1.72 |
Coefficient of thermal expansion(max) | Electrode Nipple | 10-6/°C | 2.9 2.7 | 2.9 2.8 | 2.9 2.8 | 2.4 2.2 | 1.5 1.4 |
Ash (max) | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
graphite electrode
