National service telephone:
400 635 0955
Online Q&A:
QQ:2406779356
Skype:hp.graphite
Email:
sales@juxingtansu.com (domestic trade)
sales@hpgraphite.com (foreign trade)
Address of headquarters:
No. 110, Zaojia Street, Fengtai District, Beijing
Official website:
Chinese: www.juxingtansu.cn
English: www.hpgraphite.com
WeChat Public Platform:
juxingcarbon or scan the QR code below
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Regular power graphite electrodes are mainly applied to electric arc furnaces for steel-making. We are an industry-leading manufacturer that integrates manufacture, marketing, export and supply of graphite electrodes in extensive applications. Our products have high performance of electrical conductivity and especially under harsh smelting conditions. Product characteristics
|  |
The following are the specific parameters of common graphite electrode products.
The bulk density is not lower than
| Technical index of regular power graphite electrodes | |||||
|---|---|---|---|---|---|
| Items | Unit | Electrode diameter 300-600mm | |||
| Standard | Measured | ||||
| Electrode | Contact | Electrode | Contact | ||
| he resistivity is not higher than | μΩm | 9.0-10.5 | 8.5 | 8.0-9.0 | 7.5 |
| The flexural strength is not lower than | MPa | 6.4-7.8 | 13 | 9.0-10 | 15 |
| he elasticity modulus is not higher than | GPa | 9.3 | 14 | 9 | 13.7 |
| The ash content is not higher than | % | 0.5 | 0.3 | 0.5 | 0.3 |
| g/cm3 | 1.52 | 1.68 | 1.56-1.62 | 1.7 | |
| The heat expansion coefficient is not higher than | ×10-6/℃ | 2.9 | 2.8 | 2.4 | 2.2 |
| Specification & allowable deviation of regular power graphite electrodes | ||||
|---|---|---|---|---|
| Type | Dimeter(mm) | Length(mm) | ||
| Nominal diameter | Nominal length | Allowable deviation | ||
| （mm） | （in） | mm | Short ruler length | |
| Small | 75 | 2.95 | 1200/1400 | ±100 |
| 86 | 3.38 | ±100 | ||
| 100 | 3.93 | ±100 | ||
| 130 | 5.11 | ±100 | ||
| 150 | 5.9 | 1600/1800 | ±100 | |
| 200 | 7.87 | ±100 | ||
| 225 | 8.85 | ±100 | ||
| 250 | 9.84 | ±100 | ||
| Regular | 300 | 12 | 1600/1800/2000/2200 | ±100 |
| 350 | 14 | ±100 | ||
| 400 | 16 | ±100 | ||
| 450 | 18 | ±100 | ||
| 500 | 20 | ±100 | ||
| 550 | 22 | ±100 | ||
| 600 | 24 | ±100 | ||
| Large | 780 | 30.7 | 2000 | ±100 |
| 800 | 31.49 | ±100 | ||
| 850 | 33.46 | ±100 | ||
| 960 | 37.79 | ±100 | ||
| 1200 | 47.24 | ±100 | ||
Allowable current capacity of regular power graphite electrodes | |||
|---|---|---|---|
| Nominal diameter | Allowable current capacity （A） | Current density (A/cm2) | |
| （mm） | （in） | ||
| 300 | 12 | 10000-13000 | 14-18 |
| 350 | 14 | 13500-18000 | 14-18 |
| 400 | 16 | 18000-23500 | 14-18 |
| 450 | 18 | 22000-27000 | 13-17 |
| 500 | 20 | 25000-32000 | 13-16 |
| 600 | 24 | 30000-36000 | 12-15 |
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 Defect size | Nominal diameter (mm) | |||
| 300-400 | 450-600 | |||
| Diameter | 20-40（＜20 Not counting） | 30-50（＜30 Not counting） | ||
| Depth | 5-10（＜5 Not counting） | 10-15（＜10 Not counting） | ||
If you have any questions about graphite products, submit the form below to us or you can also contact us directly.
Submit your demand and we will reply to you within 12 hours.
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