SHP Graphite Electrode
Needle coke and pitch are mixed as per proportion and then molded. Heat treatment is then applied in the baking and graphitization process to form the finished product.
Product parameters
Physical & Chemical Properties of SHP Graphite Electrodes
Items | Classification | Unit | Nominal Diameter (mm) | |
300-400 | 450-600 | |||
Resistivity | Electrode | μΩm ≤ | 6.5 | 6.5 |
Nipple | 5.5 | 5.5 | ||
Bending Strength | Electrode | Mpa ≥ | 10.0 | 10.0 |
Nipple | 18.0 | 18.0 | ||
Young’s Modulus | Electrode | Gpa ≤ | 14.0 | 14.0 |
Nipple | 18.0 | 18.0 | ||
Bulk Density | Electrode | g/cm3 ≥ | 1.64 | 1.63 |
Nipple | 1.72 | 1.72 | ||
CTE（100℃-600℃） | Electrode | ×10-6/℃ ≤ | 2.2 | 2.2 |
Nipple | 1.6 | 1.6 | ||
Ash Content | Electrode | % ≤ | 0.3 | 0.3 |
Nipple | ||||
Recommended current load of SHP Graphite Electrodes
Grade | Nominal Dia. | Allowable current A | Current density A/cm2 |
SHP electrode | 300mm | 14000～20000 | 19～28 |
350mm | 18000～26000 | 18～27 | |
400mm | 23000～33000 | 18～26 | |
450mm | 27000～42000 | 17～26 | |
500mm | 34000～52000 | 17～26 | |
550mm | 40000～60000 | 16～24 | |
600mm | 45000～70000 | 16～24 |
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