Shijiazhuang Hailicarbon Trading Co.,Ltd
1Years
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Product Description
UHP500mm Graphite Electrode
The production process for UHP grade:
Needle coke and pitch are mixed and then molded. Heat treatment is then applied in the baking and graphitization process to form the finished product.
Physical & Chemical Properties of UHP Graphite Electrodes
Items | Classification | Unit | Nominal Diameter (mm) | |||
250-400 | 450-500 | 550-650 | 700-800 | |||
Resistivity | Electrode | μΩm ≤ | 6.2 | 6.3 | 6.0 | 5.8 |
Nipple | 5.3 | 5.3 | 4.5 | 4.3 | ||
Bending Strength | Electrode | Mpa ≥ | 10.5 | 10.5 | 10.0 | 10.0 |
Nipple | 20.0 | 20.0 | 22.0 | 23.0 | ||
Young’s Modulus | Electrode | Gpa ≤ | 14.0 | 14.0 | 14.0 | 14.0 |
Nipple | 20.0 | 20.0 | 22.0 | 22.0 | ||
Bulk Density | Electrode | g/cm3 ≥ | 1.67 | 1.66 | 1.66 | 1.68 |
Nipple | 1.74 | 1.75 | 1.78 | 1.78 | ||
CTE（100℃-600℃） | Electrode | ×10-6/℃ ≤ | 1.5 | 1.5 | 1.5 | 1.5 |
Nipple | 1.4 | 1.4 | 1.3 | 1.3 | ||
Ash Content | Electrode | % ≤ | 0.5 | 0.5 | 0.5 | 0.5 |
Nipple | ||||||
Note: Ash Content is only for reference.
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