HP graphite electrode mainly petroleum coke, needle coke as raw material, coal tar as binder, after calcination, ingredients, kneading, pressing, roasting, graphitization, machining and made. and graphite electrodes hp with oxidation resistance, low resistivity, acid and alkali corrosion, high efficiency and energy saving, low loss and other characteristics.
|Name||Unit||diameter of electrode 300mm-600mm|
|Specific electrical resistivity||μOhm • m||7.0-7.5||6.5.||6.5-7.0||6th|
|Limit of mechanical resistance to bending||MPa||9.8-10.5||14||12-15||15-18|
|Ash content, not more than||%||0.3||0.3||0.3||0.3|
|Bulk density, not less than||g / cm3||1.6||1.7.||1.68-1.73||1.75|
|Thermal coefficient of linear expansion||× 10-6 / ℃||2.4||2.2||2.2||2|
|Nominal diameter||Actual diameter||Nominal length||tolerance|
|Millimeters (mm)||Inch (inch)||Max. (Max.)||Min (min)||mm||Length||the maximum|
|300||12||307||302||1600 1800||± 100||-100||-275|
|Nominal diameter||Permissible current power||The current density (A / cm2)|
|Millimeter (mm)||Inch (inch)|
Graphite electrodes hp can be widely used in the electric smelting furnace for producing the ferroalloy, pure silicon, yellow phosphorus, copper matte, calcium carbide and so on.
HP Graphite electrodes also can be widely used in the electrical resistance furnace for glass melting, silicon carbide making, graphite product manufacturing.
RS refractory factory is a professional Graphite electrodes hp supplier that established in the early 90s of twenty century. RS refractory factory has specialized in Graphite electrode hp for more than 20 years. if you have some demand of HP graphite electrodes, or have some questions on Graphite electrode hp about physical and chemical indicators, please contact us for free. and Rs refractory factory as a professionalacid HP graphite electrodes manufacturer in china, has some competitive advantages as follows: