Ultra-High Power Graphite Electrode
Items | Regular power | High power | Ultra high power | |||||||
⌽200-300 | ⌽350-600 | ⌽700 | ⌽200-400 | ⌽450-600 | ⌽700 | ⌽250-400 | ⌽450-600 | ⌽700 | ||
Resistance μΩm (Max) | Electrode | 10.5 | 6.5 | 7.0 | 5.5 | 6.3 | ||||
Nipple | 6.5 | 8.0 | 5.5 | 5.8 | 4.5 | 4.5 | ||||
Bulk Density g/cm3 (Min) | Electrode | 1.53 | 1.52 | 1.53 | 1.62 | 1.60 | 1.62 | 1.67 | 1.66 | 1.66 |
Nipple | 1.69 | 1.68 | 1.73 | 1.72 | 1.75 | 1.78 | ||||
Bending Strength Mpa (Min) | Electrode | 8.5 | 7.0 | 6.5 | 10.5 | 9.8 | 10.0 | 11.0 | 11.0 | |
Nipple | 15.0 | 15.0 | 16.0 | 16.0 | 20.0 | 20.0 | ||||
Young's modulus Gpa (Max) | Electrode | 9.3 | 9.0 | 12.0 | 12.0 | 14.0 | 14.0 | |||
Nipple | 14.0 | 14.0 | 16.0 | 16.0 | 18.0 | 22.0 | ||||
Ash % (Max) | Electrode | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.5 | |||
Nipple | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.5 | ||||
CTE (100-600℃) ×10-6/℃ | Electrode | 2.9 | 2.9 | 2.4 | 2.4 | 1.5 | 1.4 | |||
Nipple | 2.8 | 2.8 | 2.2 | 2.2 | 1.4 | 1.2 |
Nominal Diameter (mm) | Regular Power | High Power | Ulra High Power | |||
Current Load(A) | Current Density(A/cm2) | Current Load(A) | Current Density(A/cm2) | Current Load(A) | Current Density(A/cm2) | |
200 | 5000-6900 | 15-21 | 5500-9000 | 18-25 | ———— | ———— |
225 | 6100-8600 | 15-21 | 6500-10000 | 18-25 | ———— | ———— |
250 | 7000~10000 | 14-20 | 8000~13000 | 18-25 | 8100-12200 | 20-30 |
300 | 10000~13000 | 14-18 | 13000~17400 | 17-24 | 15000~22000 | 20-30 |
350 | 13500~18000 | 14-18 | 17400~24000 | 17-24 | 20000~30000 | 20-30 |
400 | 18000~23500 | 14-18 | 21000~31000 | 16-24 | 25000~40000 | 19-30 |
450 | 22000~27000 | 13-17 | 25000~40000 | 15-24 | 32000~45000 | 19-27 |
500 | 25000~32000 | 13-16 | 30000~48000 | 15-24 | 38000~55000 | 18-27 |
550 | 32000~40000 | 13-16 | 37000~57000 | 15-23 | 42000~66000 | 17-26 |
600 | 38000~47000 | 13-16 | 44000~67000 | 15-23 | 49000~76000 | 17-26 |
700 | 39000~48000 | 45000~75000 | 60000~100000 |