ITEM | Nornimal Diameter(mm) | ||||||||||||||||
RP (YB/T 2088-2015) | High Power (YB/T 2089-2015) | UHP (YB/T2089-2015) | |||||||||||||||
Electrical Resisance (Max.) μΩ-m | Electrode | 75-300 | 350-450 | 500-700 | 200-400 | 450-500 | 550-700 | 300-500 | 550-700 | ||||||||
Nipple | 9.0 | 9.0 | 9.0 | 7.0 | 7.5 | 7.5 | 6.2 | 5.8 | |||||||||
Flexural Strength (Min.) Mpa | Electrode | 8.0 | 8.0 | 8.0 | 6.3 | 6.3 | 6.3 | 5.3 | 4.3 | ||||||||
Nipple | 10.0 | 8.0 | 6.5 | 10.5 | 10.5 | 8.5 | 10.5 | 10.0 | |||||||||
Elastic Modulus (Max.) Gpa | Electrode | 15.0 | 15.0 | 15.0 | 17.0 | 17.0 | 17.0 | 20.0 | 23.0 | ||||||||
Nipple | 9.3 | 9.3 | 9.3 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | |||||||||
Bulk Density (Min.) g/cm3 | Electrode | 14.0 | 14.0 | 14.0 | 16.0 | 16.0 | 16.0 | 20.0 | 22.0 | ||||||||
Nipple | 2.9 | 2.9 | 2.9 | 1.60 | 1.60 | 1.60 | 1.67 | 1.68 | |||||||||
C.T.E (Max.) ×10-6/℃ | Electrode | 2.7 | 2.8 | 2.8 | 1.72 | 1.72 | 1.72 | 1.75 | 1.78 | ||||||||
Nipple | 1.58 | 1.53 | 1.52 | 2.4 | 2.4 | 2.4 | 1.5 | 1.5 | |||||||||
Ash (Max.) % | Electrode | 1.70 | 1.70 | 1.70 | 2.2 | 2.2 | 2.2 | 1.4 | 1.3 | ||||||||
Nipple | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
mm | Inch | Current Carrying Capacity (A) | Current Density (A/cm2) | Current Carrying Capacity (A) | Current Density (A/cm2) | Current Carrying Capacity (A) | Current Density (A/cm2) |
150 | 6 | 3000-4500 | 16-25 | ||||
200 | 8 | 5000-6900 | 15-21 | 5500-9000 | 18-25 | ||
225 | 9 | 6000-8000 | 14-20 | 6500-10000 | 18-25 | ||
250 | 10 | 7000-10000 | 14-20 | 8000-13000 | 18-25 | ||
300 | 12 | 10000-13000 | 14-18 | 13000-17400 | 17-24 | 15000-22000 | 20-30 |
350 | 14 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
400 | 16 | 18000-23500 | 14-18 | 21000-31000 | 16-24 | 25000-40000 | 19-30 |
450 | 18 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
500 | 20 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
550 | 22 | 32000-40000 | 13-16 | 37000-57000 | 15-23 | 48000-60000 | 18-24 |
600 | 24 | 38000-47000 | 13-16 | 44000-67000 | 15-24 | 52000-72000 | 18-24 |