Release time: 2018-11-19 09:21:41 Page viewed: 220
Ultra high power graphite electrode | |||||
Project | nominal diameter /mm | ||||
300 -400 | 450 -500 | 550 - 550 | 700 - 800 | ||
The resistivity/μΩ·m No greater than | Electrode | 5.8 | 5.0 | 5.0 | 5.0 |
Connection | 4.5 | 4.0 | 4.0 | 4.0 | |
Folding strength /Mpa Not less than | Electrode | 10.5 | 12.0 | 12.5 | 12.5 |
Connection | 22.0 | 26.0 | 26.0 | 26.0 | |
Elastic modulus /Gpa No greater than No greater than Elastic modulus /GPa No greater than |
Electrode | 12.0 | 12.0 | 12.0 | 12.0 |
Connection | 20.0 | 19.0 | 19.0 | 19.0 | |
Volume density(g/cm³) Not less than | Electrode | 1.70 | 1.72 | 1.72 | 1.72 |
Connection | 1.76 | 1.80 | 1.80 | 1.80 | |
Coefficient of thermal expansion (10-6/℃) (room temperature to 600℃)No greater than | Electrode | 1.5 | 1.3 | 1.3 | 1.3 |
Connection | 1.3 | 1.3 | 1.0 | 1.0 | |
Ash /% not greater than | No greater than | 0.2 | 0.1 | 0.1 | 0.1 |
Note: ash is the reference index |
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