- Graphite Sheets[10]
- Other Graphite Products[10]
- Graphite Rod[1]
- Graphite Mold[9]
- Graphite Crucible[10]
- Graphite Electrodes[8]
- Contact Person : Mr. wang jinling
- Company Name : Zibo Jinpeng Carbon Co., Ltd.
- Tel : 86-533-6721322
- Fax : 86-533-6684299
- Address : Shandong,Zibo,wang cun town zhoucun district
- Country/Region : China
- Zip : 255311
HP graphite electrode
.
Technical properties of HP graphite electrode
1.physical and chemical index
Item |
unit | Nominal Diameter | ||||
YB/T4088-2000 Industry standard |
Typical Values | |||||
200-400 | 450-550 | 300-400 | 450-550 | |||
Electric resistivity | Electrode | µ Ω m | ≤ 7 | ≤ 7.5 | 5.0-6.6 | 5.4-6.8 |
Nipple | ≤6.5 | ≤6.5 | 4.0-5.0 | 4.0-5.0 | ||
Bending strength | Electrode |
Mpa | ≥10.5 | ≥9.8 | ≥11.0 | ≥11.0 |
Nipple | ≥14.0 | ≥14.0 | ≥16.0 | ≥16.0 | ||
Elastic modulus | Electrode |
Gpa | ≤12.0 | ≤12.0 | ≤11.0 | ≤11.0 |
Nipple | ≤16.0 | ≤16.0 | ≤15.0 | ≤15.0 | ||
Bulk density | Electrode |
g/cm3 | ≥1.60 | ≥1.60 | 1.63-1.70 | 1.63-1.70 |
Nipple | ≥1.70 | ≥1.70 | 1.73-1.80 | 1.73-1.80 | ||
Ash | Electrode |
% | ≤0.3 | ≤0.3 | ≤0.3 |
≤0.3 |
Nipple | ||||||
CTE(100-600) °C | Electrode | 10-6/°C | ≤2.4 | ≤2.4 | 1.8-2.2 | 1.8-2.2 |
Nipple | ≤2.2 | ≤2.2 | 1.5-1.8 | 1.5-1.8 |
2. Recommended current carrying capacity
Nominal Diameter | YB/T4089-2000 Industry standard | Typical values | |||||
Current carrying capacity
| Current density
|
Electrical Arc Furnace |
Ladle Refining Furnace | ||||
Current carrying capacity | Current density | Current carrying capacity | Current density | ||||
in | mm | A | A/cm2 | A | A/cm2 | A | A/cm2 |
12 | 300 | 13000-17400 | 17-24 | 13000-17500 | 18-25 | 15000-21000 | 21-29 |
14 | 350 | 17400-24000 | 17-24 | 17500-24500 | 18-25 | 20000-28000 | 21-29 |
16 | 400 | 21000-31000 | 16-24 | 21500-32000 | 17-25 | 24000-35000 | 19-28 |
18 | 450 | 25000-40000 | 15-24 | 26000-40500 | 16-25 | 29000-45000 | 18-28 |
20 | 500 | 30000-48000 | 15-24 | 32000-50000 | 16-25 | 34000-54000 | 17-27 |
22 | 550 | 35000-55000 | 14-22 | 37000-57000 | 15-23 | 40000-62000 | 16-25 |
HP graphite electrode