RP Graphite Electrode for Steel Smelting
RP graphite electrode is mainly made of raw coal as a binder, which is made by sintering, batching, kneading, pressing, roasting, graphitization, and machining. RP graphite electrode index is mainly the current, generally allowed to use current density is less than 17A/cm2, that is to say, through each square centimeter through the current is less than 17 ampere. RP graphite electrode is mainly used in ordinary power electric furnace such as steel smelting, silicon smelting and yellow phosphorus smelting.
RP graphite electrode recommended current load
Grade | Nominal Diameter | Current Load | Current Density | |
in | mm | A | A/cm2 | |
RP | 8 | 200 | 5000-6900 | 15-21 |
9 | 225 | 6900-9000 | 15-21 | |
10 | 250 | 7000-10000 | 14-20 | |
12 | 300 | 10000-13000 | 14-18 | |
14 | 350 | 13500-18000 | 14-18 | |
16 | 400 | 18000-23500 | 14-18 | |
18 | 450 | 22000-27000 | 13-17 | |
20 | 500 | 25000-32000 | 13-16 | |
22 | 550 | 31500-39000 | 13-16 | |
24 | 600 | 35000-41000 | 13-15 | |
Production Process of RP graphite electrode

Packing and shipping of RP graphite electrode



Precautions when using graphite electrodes:
1. When selecting electrode diameter for steelmaking electrode, please refer to electrode current capacity.
2. During transportation and storage, the graphite electrode should be protected from rain and snow, and it must be dried before use.
3. During loading, unloading and transportation, the graphite electrode should be handled with care to protect the thread and prevent damage.
4. Before connecting the electrode, the electrode thread must be blown clean with compressed air, and then the connector and the electrode must be tightened.
5. The electrode lifting device of the electrode should not be shaken during operation to prevent the connector from loosening and tripping.
6. The electrode holder is not allowed to hold the electrode near the joint hole.
7. When charging the furnace, the large steel block should be placed in the lower part to prevent the material from collapsing and breaking the electrode during melting.
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