China Factory Supply High Quality Low Price Eaf Graphite Carbon Electrode, Find details about China Graphite Electrode, Electrode Arc Furnace from Factory Supply High Quality Low Price Eaf Graphite Carbon Electrode
Item | Unit | RP | HP | UHP | ||||
250-400 | 450-800 | 300-400 | 450-700 | 300-400 | 450-700 | |||
Electric Resistivity | Electrode | μΩ.m | 7.5-8.6 | 7.5-8.8 | 5.5-6.8 | 5.5-7.0 | 4.6-6.0 | 4.8-6.2 |
Nipple | 4.5-5.5 | 4.0-5.0 | 3.5-4.5 | |||||
Bending Strength | Electrode | Mpa | ≥8.0 | ≥11.0 | ≥11.0 | |||
Nipple | ≥15.0 | ≥16.0 | ≥18.0 | |||||
Elastic Modulus | Electrode | Gpa | ≤9.0 | ≤11.0 | ≤13.0 | |||
Nipple | ≤13.0 | ≤14.0 | ≤15.0 | |||||
Bulk Density | Electrode | g/cm3 | 1.55-1.65 | 1.63-1.73 | 1.65-1.75 | |||
Nipple | 1.70-1.75 | 1.73-1.80 | 1.75-1.82 | |||||
Ash | Electrode | % | ≤0.3 | |||||
Nipple | ||||||||
CTE(100-600)ºC | Electrode | 10-6/ºC | 2.00-2.50 | 1.80-2.00 | 1.30-1.50 | |||
Nipple | 1.50-1.80 | 1.50-1.80 | 1.20-1.40 |
Nomina diameter | RP | HP | UHP | ||||
Current Carrying Capacity | Current Density | Current Carrying Capacity | Current Density | Current Carrying Capacity | Current Density | ||
in | mm | A | A/cm2 | A | A/cm2 | A | A/cm2 |
12 | 300 | 10000-13000 | 14-18 | 13000-17400 | 17-24 | 15000-22000 | 20-30 |
14 | 350 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
16 | 400 | 18000-23500 | 14-18 | 21000-31000 | 16-24 | 25000-40000 | 19-30 |
18 | 450 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
20 | 500 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
22 | 550 | 32000-40000 | 13-16 | 35000-55000 | 14-22 | 42000-64000 | 17-26 |
24 | 600 | 35000-41000 | 13-15 | 41000-61000 | 14-21 | 50000-73000 | 17-25 |
28 | 700 | 39000-48000 | 10-12 | 55000-82000 | 14-21 | 67000-99000 | 17-25 |
32 | 800 | 43000-54000 | 8-10 | / | / | / | / |
Nominal Diameter | Actual Diameter(mm) | Actual Diameter(mm) | mm | Allowable Tolerance | |||
mm | lnch | Max | Min | Rough spot(B) | Length | Short Length | |
200 | 8" | 205 | 200 | 197 | 1600/1800 | ±100 | -275 |
250 | 10" | 256 | 251 | 248 | 1600/1800/2000 | ||
300 | 12" | 307 | 302 | 299 | 1600/1800/2000/2200 | ||
350 | 14" | 357 | 352 | 349 | 1600/1800/2000/2200 | ||
400 | 16" | 409 | 403 | 400 | 1600/1800/2000/2200 | ||
450 | 18" | 460 | 454 | 451 | 1600/1800/2000/2200 | ||
500 | 20" | 511 | 505 | 502 | 1800/2000/2200/2400 | ||
550 | 22" | 562 | 556 | 553 | 1800/2000/2200/2400/2700 | ||
600 | 24" | 613 | 607 | 604 | 2000/2200/2400/2700/3000 | ||
650 | 26" | 663 | 659 | 656 | 2000/2200/2400/2700/3000 | ||
700 | 28" | 714 | 710 | 707 | 2000/2200/2400/2700/3000 |