Description
Technical Parameters
ZhenAn ultra-high power graphite electrode production process
The ultra-high power graphite electrode products produced by our factory are mixed with needle coke and asphalt, then heated for roasting and graphitization, and finally the finished product is obtained.
Ultra-high power graphite electrode physical and chemical indicators
| Item | Classification | Unit | Nominal diameter (mm) | |||
| 250-400 | 450-500 | 550-650 | 700-800 | |||
| Resistivity | Electrode | μΩm | 6.2 | 6.3 | 6 | 5.8 |
| Connector | ≤ | 5.3 | 5.3 | 4.5 | 4.3 | |
| Flexural strength | Electrode | Mpa | 10.5 | 10.5 | 10 | 10 |
| Connector | ≥ | 20 | 20 | 22 | 23 | |
| Elastic modulus | Electrode | Gpa | 14 | 14 | 14 | 14 |
| Connector | ≤ | 20 | 20 | 22 | 22 | |
| Volume density | Electrode | g/cm3 | 1.67 | 1.66 | 1.66 | 1.68 |
| Connector | ≥ | 1.74 | 1.75 | 1.78 | 1.78 | |
| Thermal expansion coefficient (100℃-600℃) | Electrode | ×10-6/℃ | 1.5 | 1.5 | 1.5 | 1.5 |
| Connector | ≤ | 1.4 | 1.4 | 1.3 | 1.3 | |
| Ash content | Electrode | % | 0.5 | 0.5 | 0.5 | 0.5 |
| Connector | ≤ | |||||
Ultra-high power graphite electrode allowable current load table
| Grade | Nominal diameter | Allowable current load A | Current density A/cm2 | ||
| Ultra-high power electrode | Alternating current | Direct current | Alternating current | Direct current | |
| 300mm | 15000～22000 | 20～30 | |||
| 350mm | 20000～30000 | - | 20～30 | - | |
| 400mm | 25000～40000 | - | 19～30 | - | |
| 450mm | 32000～45000 | - | 19～27 | - | |
| 500mm | 38000～55000 | - | 18～27 | - | |
| 550mm | 45000～65000 | 49000～78000 | 18～27 | 20～32 | |
| 600mm | 50000～75000 | 58000～93000 | 18～26 | 20～32 | |
| 650mm | 60000～85000 | 60000～110000 | 18～25 | 20～30 | |
| 700mm | 70000～120000 | 79000～130000 | 18～30 | 20～30 | |
Graphite Electrode Buyer
Team Building Of ZhenAn Company
Our factory supplies ultra-high power graphite electrodes, quasi-high power graphite electrodes, high power graphite electrodes, ordinary power graphite electrodes and graphite electrode connectors. Welcome to contact us for purchase.