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UHP Graphite Electrode

UHP ultra-high power graphite electrode is made by high quality petroleum coke and needle coke , which has low resistivity, small thermal expansion coefficient and strong flexural strength. Suitable for use in arc furna...

Table 1: Technical Specifications of UHP Graphite Electrode

 

Item Unit Nominal  Diameter(mm)
YB/T4089 Actual Indicator
350-450 500-700 350-450 500-700
Resistence is no more than Electrode μΩ.m 6.2 6.0 5.5 5.5
Nipple 5.3 5.3 3.7 3.5
Bending strength is no less than Electrode Mpa 10.5 10.5 12.0 12.0
Nipple 20.0 20.0 22.0 24.0
Elastic Modulus is no more than Electrode Gpa 14.0 14.0 12.0 12.0
Nipple 20.0 20.0 18.0 18.0
Bulk density is no less than Electrode g/cm3 1.67 1.66 1.67-1.75 1.67-1.75
Nipple 1.74 1.75 1.80 1.82
CTE>(100-600°C) Electrode 10-6/  °C 1.5 1.5 1.4 1.4
Nipple 1.4 1.4 1.2 1.2
Ash content is no more than % 0.5 0.5 0.3 0.3
Note: The ash content and thermal expansivity are reference indexes.

 

Table 2: Graphite Electrode Size & Tolerance

Diameter(mm) Length(mm)
Nominal diameter Actual diameter Nominal length Tolerance Short Length
(mm) (Inch) (Max) (Min)
350 14 357 352 1800-2000-2100 ±100 -275
400 16 409 403
450 18 460 454
500 20 511 505 2000-2100-2250-2400-2700 ±100 -275
550 22 562 556
600 24 613 607
700 26 714 708 2400-2700 ±100 -275

Recommed products:UHP600, UHP550, UHP500, UHP450, UHP400,

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