Graphite Electrode More specification and Details :
For following just for your reference :
| Items | Regular power(RP) | High power(HP) | Ultrahigh power(UHP) |
| ⌽200-300 | ⌽350-600 | ⌽700 | ⌽200-400 | ⌽450-600 | ⌽700 | ⌽250-400 | ⌽450-600 | ⌽700 |
| ResistanceμΩm（Max） | Electrode | 7.5 | 8.0 | 6.5 | 7.0 | 5.5 | 5.5 |
| Nipple | 6.0 | 6.5 | 5.0 | 5.5 | 3.8 | 3.6 |
| BulkDensityg/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 |
| BendingStrengthMpa（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’smodulusGpa（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 | 0.3 |
| Nipple | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 |
| 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 |
Standard Sizes of Electrode :If there are special specification requirements,both sides consult supply & demand.
For more detailed Sizes and Specs : Uhp Graphite electrode , Graphite electrodes , Hp Graphite Electrode , Rp Graphite electrode φ200mm-700mm Length 1800mm -2700mm
| Standard sizes of electrode |
| Specifications(inch) | Allowable Diameter(mm) | Allowable Length(mm) |
| Nominal Diameter | Max. | Min. | Nominal Length | Max. | Min. |
| 6 | 150 | 154 | 151 | 1600 | 1700 | 1500 |
| 1800 | 1875 | 1700 |
| 8 | 200 | 205 | 200 | 1600 | 1700 | 1500 |
| 1800 | 1875 | 1700 |
| 9 | 225 | 230 | 225 | 1600 | 1700 | 1500 |
| 1800 | 1875 | 1700 |
| 10 | 250 | 256 | 251 | 1600 | 1700 | 1500 |
| 1800 | 1875 | 1700 |
| 12 | 300 | 307 | 302 | 1800 | 1875 | 1700 |
| 14 | 350 | 357 | 352 | 1600 | 1700 | 1500 |
| 1800 | 1875 | 1700 |
| 16 | 400 | 409 | 403 | 1600 | 1500 | 1500 |
| 1800 | 1875 | 1700 |
| 2100 | 2175 | 1975 |
| 18 | 450 | 460 | 454 | 1800 | 1875 | 1700 |
| 2100 | 2175 | 1975 |
| 2400 | 2475 | 2275 |
| 20 | 500 | 511 | 505 | 1800 | 1875 | 1700 |
| 2100 | 2175 | 1975 |
| 2400 | 2475 | 2275 |
| 22 | 550 | 562 | 556 | 2100 | 2175 | 1975 |
| 2400 | 2475 | 2275 |
| 24 | 600 | 613 | 607 | 2100 | 2175 | 1975 |
| 2400 | 2475 | 2275 |
| 2800 | 2850 | 2550 |
| 28 | 700 | 714 | 708 | 2400 | 2475 | 2275 |
| 2800 | 2850 | 2550 |
Current Carrying Capacity for Graphite Electrode:
| 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 | ———— | ———— |
| 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 | 49000～88000 | 17-26 |
| 700 | 48000～59000 | 12-15 | 59620～83600 | 13-18 | 70000-110000 | 17-24 |
