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Regular Power Graphite Electrodes (RP)

The artificial graphite electrode uses petroleum coke as main material and asphalt as binder.If the diameter is ≤400mm, the resistance is ≤8.5. If the diameter is ≥450mm, the resistance is ≤9.0. And the current load is between12A/Cm3 -21A/Cm3.

Detailed Introduction

Dantan graphite electrode technical index:

Item Units Regular Power RP
≤φ400 ≥φ450
Resistivity Electrode μΩ·m 7.0-8.5 7.5-9.0
Nipple 4.2-5.2
Flexural Strength Electrode Mpa 7.5-9.5 7.0-8.5
Nipple 17-22
Modulus of Elasticity Electrode Gpa 6.0-9.0
Nipple 12-16
Ash Content Electrode % 0.4
Nipple
Bulk Density Electrode G/cm3 1.54-1.62
Nipple 1.72-1.77
Coefficient of Thermal Expansion Electrode 10-6/℃ 2.0-2.4
Nippe 1.5-2.0


Graphite electrode suggested current load meter:

Nominal Diameter Permissible Current Load
Regular Power Graphite Electrode  RP
mm A A/Cm3
200 5000-6900 15-21
250 7000-10000 14-20
300 10000-13000 14-18
350 13500-18000 14-18
400 18000-23500 14-18
450 22000-27000 13-17
500 25000-32000 13-16
550 31000-41000 13-16
600 37000-45000 13-16
700 48000-59000 12-15


Graphite electrode specifications and allowable deviations:

Nominal diameter Actual diameter Actual length
mm Inch Maximum Minimum The smallest part of the black skin Length Length allowable deviation Short length
200 8 205 200 197




±100




-275
250 10 256 251 248 1600
300 12 307 302 299 1800
350 14 357 352 349
400 16 409 403 400
450 18 460 454 451 1800
500 20 511 505 502 2100
550 22 562 556 553 2400
600 24 613 607 604 2700
700 28 714 708 705

快8-快8中奖计算器