540
Nipples
2019/7/29
| RP Graphite Electrode | ||||||||
| Item | Classification | Unit | Nominal Diameter(mm) | |||||
| 75-200 | 250-350 | 400-600 | ||||||
| A grade | B grade | A grade | B grade | A grade | B grade | |||
|
Electric resistance(≯) |
Pole | μΩm | 8.0 | 9.0 | 8.0 | 9.0 | 8.0 | 9.0 |
| Nipple | 6.0 | 6.0 | 6.0 | |||||
|
Bending strength(≮) |
Pole | Mpa | 10.0 | 9.0 | 8.0 | |||
| Nipple | 15.0 | 15.0 | 15.0 | |||||
|
Young's modulus(≯) |
Pole | Gpa | 9.0 | 9.0 | 9.0 | |||
| Nipple | 14.0 | 14.0 | 14.0 | |||||
|
Bulk density(≮) |
Pole | g/cm3 | 1.58 | 1.58 | 1.58 | |||
| Nipple | 1.72 | 1.72 | 1.72 | |||||
|
(100℃-600℃) CTE(≯) |
Pole | x10-6/℃ | 2.7 | 2.7 | 2.7 | |||
| Nipple | 2.5 | 2.5 | 2.5 | |||||
| Ash content(≯) | Pole | % | 0.3 | 0.3 |
0.3 |
|||
| HP Graphite Electrode | |||||||
|
Item
|
Classification |
Unit
|
Nominal Diameter(mm) | ||||
| HP | TYPEⅡHP | ||||||
| 200-400 | 450-500 | 550-700 | 350-400 | 450-600 | |||
|
Electric resistance(≯)
|
Pole | μΩm | 6.5 | 6.5 | 6.5 | 6.0 | 6.0 |
| Nipple | 5.0 | 5.0 | 5.0 | 4.8 | 4.8 | ||
|
Bending strength(≮)
|
Pole | Mpa | 10.5 | 10.0 | 10.0 | 10.0 | 10.0 |
| Nipple | 17.0 | 17.0 | 17.0 | 19.0 | 19.0 | ||
|
Young's modulus(≯)
|
Pole | Gpa | 12.0 | 12.0 | 12.0 | 14.0 | 14.0 |
| Nipple | 16.0 | 16.0 | 16.0 | 18.0 | 18.0 | ||
|
Bulk density(≮)
|
Pole | g/cm3 | 1.65 | 1.65 | 1.65 | 1.66 | 1.66 |
| Nipple | 1.76 | 1.76 | 1.76 | 1.77 | 1.77 | ||
|
(100℃-600℃) CTE(≯)
|
Pole | x10-6/℃ | 2.4 | 2.4 | 2.4 | 2.2 | 2.2 |
| Nipple | 2.2 | 2.2 | 2.2 | 1.6 | 1.6 | ||
| Ash content(≯) | Pole | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Note:CTE and ash contents are only for reference | |||||||
| UHP Graphite Electrode | ||||||
|
ItemClassification
|
Classification |
Unit
|
Nominal Diameter(mm) | |||
| 300-400 | 450-500 | 550-600 | 650-700 | |||
|
Electric resistance(≯)
|
Pole | μΩm | 6.0 | 5.8 | 5.5 | 5.0 |
| Nipple | 4.8 | 4.5 | 4.2 | 4.0 | ||
|
Bending strength(≮)
|
Pole | Mpa | 10.5 | 10.5 | 10.0 | 10.0 |
| Nipple | 20.0 | 20.0 | 23.0 | 24.0 | ||
|
Young's modulus(≯)
|
Pole | Gpa | 14.0 | 14.0 | 14.0 | 14.0 |
| Nipple | 18.0 | 18.0 | 22.0 | 22.0 | ||
|
Bulk density(≮)
|
Pole | g/cm3 | 1.68 | 1.68 | 1.70 | 1.72 |
| Nipple | 1.78 | 1.78 | 1.80 | 1.82 | ||
|
(100℃-600℃) CTE(≯)
|
Pole | x10-6/℃ | 1.5 | 1.5 | 1.4 | 1.4 |
| Nipple | 1.4 | 1.4 | 1.2 | 1.2 | ||
| Ash content(≯) | Pole | % | 0.3 | 0.3 | 0.3 | 0.3 |
| Note:CTE and ash contents are only for reference | ||||||
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