HP Graphite Co., Ltd. is an industry-leading manufacturer that integrates manufacture, marketing, export and supply of high power graphite electrodes in extensive applications. HP Graphite Co., Ltd. has always been advocating the use of better materials and more advanced production processes to reduce energy consumption and material costs.
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| HP electrode standard sizes range between diameter 75 to 700mm with lengths of 1000~2700mm. |
ITEMS | TYPE | HIGH POWER | |
|---|---|---|---|
Ø200-400 | Ø450-600 | ||
Resistance μΩ.m (Max) | Electrode | 6.5 | |
Nipple | 5.5 | ||
Density g/cm³ (Min) | Electrode | 1.68 | 1.65 |
Nipple | 1.78 | ||
Flexure Strength Mpa (Min) | Electrode | 10.5 | 9.8 |
Nipple | 17.0 | ||
Elastic Modulus Gpa (Max) | Electrode | 14.0 | |
Nipple | 16.0 | ||
Ash % (Max) | Electrode | 0.1 | |
Nipple | 0.1 | ||
CTE (100-600℃) 100¯⁶/℃(Max) | Electrode | 2.4 | |
Nipple | 2.2 | ||
NOMINAL | HIGH POWER | ||
|---|---|---|---|
MM | INCH | CURRENT LOAD (A) | CURRENT DENSITY (A/CM²) |
200 | 8 | 5500-9000 | 18-25 |
250 | 10 | 8000-13000 | 18-25 |
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 | 34000-53000 | 14-22 |
600 | 24 | 38000-58000 | 13-21 |
650 | 25 | 41000-65000 | 12-20 |
700 | 28 | 45000-72000 | 12-19 |
DIAMETER (MM) | LENGTH (MM) | ||||||
|---|---|---|---|---|---|---|---|
NOMINAL DIAMETER | ACTUAL DIAMETER | NOMINAL LENGTH |
TOLERANCE |
SHORT LENGTH | |||
INCH | MM | MAX | MIN | ROUGH SPOT | |||
3 | 75 | 78 | 73 | 72 | 1000/1200/1400/1600 |
±100 |
-275 |
4 | 100 | 103 | 98 | 97 | 1000/1200/1400/1600 | ||
5 | 130 | 132 | 127 | 126 | 1000/1200/1400/1600 | ||
6 | 150 | 154 | 149 | 146 | 1200/1400/1600/1800 | ||
7 | 175 | 179 | 174 | 171 | 1200/1400/1600/1800 | ||
8 | 200 | 205 | 200 | 197 | 1600/1800 | ||
9 | 225 | 230 | 225 | 222 | 1600/1800 | ||
10 | 250 | 256 | 251 | 248 | 1600/1800/2000 | ||
12 | 300 | 307 | 302 | 299 | 1600/1800/2000/2200 | ||
14 | 350 | 358 | 352 | 349 | 1600/1800/2000/2200 | ||
16 | 400 | 409 | 403 | 400 | 1600/1800/2000/2200 | ||
18 | 450 | 460 | 454 | 451 | 1600/1800/2000/2200 | ||
20 | 500 | 511 | 505 | 502 | 1800/2000/2200/2400 | ||
22 | 550 | 562 | 556 | 553 | 1800/2000/2200/2400 | ||
24 | 600 | 613 | 607 | 604 | 2000/2200/2400/2700 | ||
26 | 650 | 663 | 659 | 656 | 2400/2700 | ||
28 | 700 | 714 | 710 | 707 | 2400/2700 | ||
Surface Quality 1. There are no more than two defects or holes on the surface of the electrode and the size shall not exceed the value in the following table. 2. There is no transverse crack or longitudinal crack with width of 0.3-1.0 on the surface of the electrode. The length of longitudinal crack is not more than 5% of the perimeter of the electrode. The crack with width less than 0.3mm shall be ignored. 3. The width of black skin area on the surface of the electrode is less than 1/10 of the perimeter of the electrode and its length is less than 1/3 of the length of the electrode. |
SPECIFICATION SIZE | NOMINAL DIAMETER OF | ||
|---|---|---|---|
75-225 | 250-400 | 450-800 | |
Diameter(mm) | 10-20 | 20-30 | 30-40 |
Depth(mm) | 3-5 | 5-10 | 10-15 |
ELECTRODE DIAMETER | Inch | 8 | 9 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 200 | 225 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | |
BREAKAWAY TORQUE | n.m | 200-260 | 300-340 | 400-450 | 550-650 | 800-950 | 900-1100 | 1100-1400 | 1500-2000 | 1900-2500 | 2400-3000 |
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