China Low Consumption UHP Grade Graphite Product Graphite Electrode for Steel, Find details about China Graphite Electrode, Electrode Arc Furnace from Low Consumption UHP Grade Graphite Product Graphite Electrode for Steel
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 |