Graphite electrode, mainly NC, CPC as raw material, coal pitch as binder, calcination, ingredients, kneading,molding, baking and graphitization, machining and made, which is released in electric arc furnace in the form of arc conductor of electricity to heat melting furnace charge, with low resistivity, good conductivity, low ash, uniform and compact structure, good oxidation resistance, high mechanical strength, etc.
UHP 200-700mm Graphite Electrode
Item | Unit | Graphite Electrode | ||||
RP(mm) | HP(mm) | UHP(mm) | ||||
φ100-φ600 | φ100-φ800 | φ200-φ500 | φ550-φ800 | |||
Resistivity | Electrode | μΩm | 7.0-10.0 | 5.8-6.6 | 4.8-5.8 | 4.6-5.8 |
Nipple | 4.0-4.5 | 3.5-4.0 | 3.5-4.0 | 3.5-4.0 | ||
Modulus of Rupture | Electrode | Mpa | 8.0-10.0 | 10.0-13.0 | 10.0-14.0 | 10.0-14.0 |
Nipple | 19.0-22.0 | 20.0-23.0 | 20.0-24.0 | 22.0-26.0 | ||
Young's Modulus | Electrode | Gpa | 7.0-9.3 | 8.0-12.0 | 9.0-13.0 | 10.0-14.0 |
Nipple | 12.0-14.0 | 14.0-16.0 | 15.0-18.0 | 16.0-19.0 | ||
Bulk Density | Electrode | g/cm3 | 1.53-1.56 | 1.64-1.68 | 1.68-1.74 | 1.68-1.74 |
Nipple | 1.70-1.74 | 1.75-1.80 | 1.78-1.82 | 1.78-1.84 | ||
CTE (100-600ºC) | Electrode | 10-6/ºC | 2.2-2.6 | 1.6-1.9 | 1.1-1.4 | 1.1-1.4 |
Nipple | 2.0-2.5 | 1.1-1.4 | 0.9-1.2 | 0.9-1.2 | ||
Ash | % | 0.5 | 0.2 | 0.3 | 0.3 |
I Size Chart
Nominal Diameter | Actual Diameter (Send inquiry to us to get free quote) | Nominal Length(mm) | |||
mm | Inch | Max(mm) | Min(mm) | Min.Crust Diameter(mm) | |
150 | 6 | 154 | 149 | 146 | 1500-1800 |
200 | 8 | 205 | 200 | 197 | 1500-1800 |
250 | 10 | 256 | 251 | 248 | 1500-2100 |
300 | 12 | 307 | 302 | 299 | 1500-2100 |
350 | 14 | 357 | 352 | 349 | 1500-2400 |
400 | 16 | 409 | 403 | 400 | 1500-2400 |
450 | 18 | 460 | 454 | 451 | 1500-2400 |
500 | 20 | 511 | 505 | 502 | 1800-2700 |
550 | 22 | 562 | 556 | 553 | 1800-2700 |
600 | 24 | 613 | 607 | 604 | 2100-2700 |
650 | 26 | 663 | 657 | 654 | 2100-2700 |
700 | 28 | 714 | 708 | 705 | 2100-2700 |
750 | 30 | 765 | 759 | 756 | 2400-2700 |
800 | 32 | 816 | 810 | 807 | 2400-2700 |