HP Grade Graphite Electrode
HP graphite electrode is usually used as conductor of electric arc furnace, electric arc generated between graphite electrode and bottom electrode can heat and melt furnace material.
During producing HP graphite electrode and UHP graphite electrode, needle shape coke should be added into raw material,petrol coke no more than 0.05% of sulfur.
HP grade graphite electrode Product Specification
HP Graphite Electrode diameter and allowable deviation
| UNIT (MM) | ||||
Name | Nominal Diameter | Actual | Actual | Nominal Length |
HP Graphite electrode | 200 | 205 | 202 | 1600/1800/1900 |
250 | 256 | 251 | 1600/1800/1900 | |
300 | 307 | 302 | 1600/1800/2000 | |
350 | 358 | 352 | 1600/1800/2000 | |
400 | 409 | 403 | 1600/1800/2000/2200 | |
450 | 460 | 454 | 1600/1800/2000/2200 | |
500 | 511 | 505 | 1800/2000/2200/2400 | |
550 | 562 | 556 | 1800/2000/2200/2400/2700 | |
600 | 613 | 607 | 2000/2200/2400/2700 | |
650 | 663 | 659 | 2000/2200/2400/2700 | |
700 | 714 | 710 | 2000/2200/2400/2700 | |
750 | 765 | 761 | 2000/2200/2400/2700 | |
HP Graphite electrode Recommended tightening torque
Electrode diameter | Torque |
300 | 900 |
350 | 1300 |
400 | 1550 |
450 | 1850 |
500 | 2400 |
550 | 2750 |
600 | 3800 |
650 | 4300 |
700 | 5200 |
750 | 6800 |
HP Graphite electrode current load
Grade | Nominal Diameter | Allowable current | Current density | ||
AC | DC | AC | DC | ||
HP | 200 | 5500~9000 | - | 18~25 | - |
250 | 8000~13000 | - | 18~25 | - | |
300 | 13000~17400 | - | 17~24 | - | |
350 | 17400~24000 | - | 17~24 | - | |
400 | 21000~31000 | - | 16~24 | - | |
450 | 25000~40000 | - | 15~24 | - | |
500 | 30000~48000 | - | 15~24 | - | |
550 | 34000~53000 | - | 15~24 | - | |
600 | 38000~58000 | - | 13~21 | - | |
650 | 41000~65000 | - | 12~20 | - | |
700 | 45000~72000 | - | 12~19 | - | |
HP Graphite electrode Application
1.mainly used for electric arc furnace (EAF) steel production
2.for ore-thermal furnace; for the resistance furnace
3.for the production of profiled graphite products
4.for the production of shaped graphite products
5.Also can used For a resistor furnace
6.For the production of graphite shaped products
HP Graphite electrode certificate

HP Graphite electrode packing



HP Graphite electrode transportation requirement
1.Cover a rain-proof tarpaulin on the graphite electrodes in the course of long-distance transportation.
2.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.
3.For the purpose of protecting the electrodes end and threads, it is not allowed to lift an electrode with a grappling iron hooking the electrode socket.
4.Put slightly when loading and unloading the nipple box so as to prevent damage to the threads.
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