HP Graphite Electrode
Port：Tianjin Port
Packing：Wooden Case
Delivery time：5-7days
Minimum order quantity：5tons
Supply Ability：5000 tons/month
High-power graphite electrode (HP): It is allowed to use graphite electrode with current density of 18-25A/cm2, which is mainly used in ordinary power electric furnaces such as steel making, silicon refining and yellowing phosphorus.
Artificial graphite electrode is made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch.after calcining,burdening,kneading,forming,baking and pressure impregnation, graphitization and then precision machined with professional CNC machining.such of the products own characteristics with low resistivity, good electrical conductivity ,low ash, compact structure,good anti oxidation and high mechanical strength, so it is the best conductive material for electric arc furnace、ladle furnace and submerged arc furnace
| 性能
Properties |
单位
Unit |
石墨电极公称直径Nominal Diameter Of Electrode | ||||
| UHP | HP | RP | ||||
| 300-600 mm | 650-800mm | 300-800mm | 300-800mm | |||
| 电阻率
Electric resistivity |
电极Electrode | μΩ.m | 4.8-5.8 | 4.6-5.8 | 5.8-6.6 | 7.8-8.8 |
| 接头Nipple | 3.8-4.5 | 3.8-4.5 | 4.2-5.0 | 5.0-6.5 | ||
| 抗折强度
Flexural strength |
电极Electrode | Mpa | 10.0-14.0 | 10.0-14.0 | 10.0-13.0 | 7.0-12.0 |
| 接头Nipple | 20.0-26.0 | 22.0-26.0 | 18.0-22.0 | 15.0-20.0 | ||
| 弹性模量
Young’s modulus |
电极Electrode | Gpa | 9.0-13.0 | 10.0-14.0 | 8.0-12.0 | 7.0-9.3 |
| 接头Nipple | 15.0-18.0 | 15.0-18.0 | 14.0-16.0 | 12.0-14.0 | ||
| 体积密度
Bulk density |
电极Electrode | ≥g/cm3 | 1.68-1.74 | 1.70-1.74 | 1.62-1.66 | 1.53-1.56 |
| 接头Nipple | 1.77-1.82 | 1.78-1.84 | 1.74-1.80 | 1.70-1.74 | ||
| 热膨胀系数
CTE(100-600℃） |
电极Electrode | ×10-6/℃ | 1.1-1.4 | 1.1-1.4 | 1.6-1.9 | 2.2-2.6 |
| 接头Nipple | 0.9-1.2 | 0.9-1.2 | 1.1-1.4 | 2.0-2.5 | ||
| 灰分Ash | 0.3 | 0.3 | 0.3 | 0.5 | ||
Storage of graphite electrodes
The electrodes should be put in a clean and dry place;do not remove the packaging before use so as to prevent the dusts and debris from dropping onto the threads or into the electrode socked and thus affect the precision of the electrode connection.
The electrodes stored in the open area must be covered with a rain-proof tarpaulin.
The electrodes should be stored in the storehouse neatly.the both sides of the electrodes should be well stacked to prevent from stack sliding.
The stacking height of the scattered electrodes should not exceed 2.8 meters,while the electrodes packed in the boxed should not exceed 4 layers.
The temperature of the storage places of nipple should not be too high so as to prevent melting of the asphalt nipple bolt.
Transportation of graphite electrodes
Cover a rain-proof tarpaulin on the graphite electrodes in the course of long-distance transportation.
It is important to use a wire rope when lifting the wooden-packaged electrodes with a lifting crance.it is forbidden to lift the electrodes with the steel packaging belts on the wooden-packaged.
For the purpose of protecting the electrodes end and threads,it is not allowed to lift an eletrode with a grappling iron hooking the electrode socket.
Put slightly when loading and unloading the nipple box so as to prevent damage to the threads.
Packing
Graphite electrode is packaged by wooden cages and nipple is packaged by wooden boxes.graphite electrode and nipple can be packaged together according to the requirements of the customers.the products are protected by waterproof and dustproof plastic inside and fixed by steel bands,fit for land transportation and sea transportati
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