Product Categoires
HP Graphite Electrode
Nowadays, the graphite electrodes available to be purchased are simpler to measure and the preparing speed is altogether quicker than copper cathodes., the handling of graphite by processing measure is 2 to multiple times quicker than other metal preparing and doesn't need extra manual treatment, while the copper terminal requires manual crushing. Essentially, if a rapid graphite machining focus is utilized to make the terminal, the speed will be quicker and the effectiveness will be higher, and no residue issue will happen. In these cycles, picking the correct hardness instrument and graphite can lessen the apparatus wear misfortune and copper breakage. It is used in high power smelting furnace and low-load to medium-load ladle furnace.
Grab the HP graphite electrode for industrial process
Graphite Electrode is anything but difficult to measure, high evacuation pace of release machining, and little graphite misfortune. Thusly, a few clients of gathering based flash machine relinquished copper cathode and changed to HP graphite electrode. What's more, some unique molded cathodes can't be made of copper, yet graphite is simpler to shape, and the copper terminal is substantial, which isn't appropriate for preparing huge anodes. Every one of these variables lead to the utilization of graphite terminal for some gathering based flash machine clients. Two of them are killed and the cylinder is left with two tabs. At that point open, put the bar and do the equivalent again and is completely subject.
Completely subject to equivalent parts
The best approach to hold theHP graphite electrodewas the possibility of a companion and is intriguing for its straightforwardness. It includes making two cuts on the edge of the cylinder longitudinally partitioning it into 4 pretty much equivalent parts. Everyone is fixed with pincers to give it a round shape and it adjusts to the bar and afterward moves toward one another. You are searching for an enormous metal nut that fits properly and, without the bar; you turn the nut with power, making a string in the copper. This framework permits changing the bar rapidly, changing its position, and giving a decent electrical contact.
What is HP graphite electrode?
Primarily, the HP graphite electrode is made up of calcined petroleum needle coke, coal tar pitch and also be used in the higher power electric arc furnace for steel making or just refine the steel in ladle furnace, which withstands the present density of 18 to 25 per centimetre square. Usually, it is a most essential conducting material for the electric furnace steel making, which discharges the electric energy in form of curve to melt and heat the furnace burden. Along with this, the HP graphite electrode can also be utilized as conducting material to smelt the industrial silicon, yellow phosphorus and abrasive material and so on. The great features of graphite electrode are highly resistant to spalling and cracking, high resistance to thermal shock and oxidation and also greater physical, best surface finishing as well as mechanical properties.
This type of electrode is characterized by low resistivity, allowing the current higher than that of ordinary electrodes; allowing current density to be more than twice as large; low thermal expansion coefficient; flexural strength High; low oxidation loss.The production of high-power and ultra-high-power electrodes uses needle coke as the raw material, and the production process uses multiple immersion and roasting to increase the graphitization temperature. The specification model is 200mm-700mm in diameter.
Allowable Current-Carrying Capacities
Nominal |
HP Graphite Electrodes |
||
mm |
inch |
Current-Carrying Capacity(A) |
Current Density (A/㎡) |
300 |
12 |
13000~17400 |
17~24 |
350 |
14 |
17400~24000 |
17~24 |
400 |
16 |
21000~31000 |
16~24 |
450 |
18 |
25000~40000 |
15~24 |
500 |
20 |
30000~48000 |
15~24 |
550 |
22 |
37000~57000 |
15~23 |
600 |
24 |
44000-67000 |
15~23 |
Physical &Chemical Properties Of Elecrtode And Nipple
HP Graphite Electrode |
Unit |
300-400 |
450-550 |
600 |
|||
FC |
YB |
FC |
YB |
FC |
|||
Specific resistance |
Electrode |
μΩ·m |
≤6.8 |
≤7.0 |
≤7.5 |
≤7.5 |
≤7.5 |
Nipple |
≤6.2 |
≤6.5 |
≤6.3 |
≤6.5 |
≤6.3 |
||
Transverse stength |
Electrode |
ΜРa |
≥10.5 |
≥10.5 |
≥10.8 |
≥9.8 |
≥8.5 |
Nipple |
≥15.0 |
≥14.0 |
≥15.0 |
≥14.0 |
≥17.0 |
||
Elastic modulus |
Electrode |
GРa |
≤12.0 |
≤12.0 |
≤12.0 |
≤12.0 |
≤14.0 |
Nipple |
≤16.0 |
≤16.0 |
≤16.0 |
≤16.0 |
≤16.0 |
||
Bulk Density |
Electrode |
g∕㎝3 |
≥1.68 |
≥1.60 |
≥1.65 |
≥1.60 |
≥1.60 |
Nipple |
≥1.74 |
≥1.70 |
≥1.74 |
≥1.70 |
≥1.72 |
||
C.T.E (100~600℃) |
Electrode |
10-6∕℃ |
≤2.3 |
≤2.4 |
≤2.3 |
≤2.4 |
≤2.4 |
Nipple |
≤2.1 |
≤2.2 |
≤2.1 |
≤2.2 |
≤2.2 |
||
Ash content |
% |
≤0.3 |
≤0.3 |
≤0.3 |
≤0.3 |
≤0.3 |