We can supply grahite electrode of NP,HP, UHP grade as customer requested , with diameter from 50MM TO ...    More ...

We can supply grahite electrode of NP,HP, UHP grade as customer requested , with diameter from 50MM TO 600MM
 
   NP Graphite Electrode diameter length and Size, Appearance and Tolerance　　Q/YB 4088-92
Nominal Diameter mm
  unit Length mm Lack ruler length mm

Max Min The min part of black skin
75 77 74 72 1000±100 -255
100 102 99 97 1200±100
130 131 128 126 1200±100 -275
150 154 151 148 1600±100
200 204 201 198 1600±100
250 256 252 249 (1600.1800)±100
300 307 303 300 (1600.1800)±100
350 357 353 350 (1600.1800)±100
400 408 404 401 (1800.2000)±100
450 459 455 452 (1800.2000)±100
500 510 506 503 (1800.2000)±100


Properties of NP Graphite Electrode
  Item Unit Nominal diameterï¼Âˆmmï¼Â‰mm
75-130 150-200 250-350 400-500
Electric Resistively
≤electrodes nipple μΩ?m 8.5
7.0 8.5
7.0 9.0
7.0 9.0
7.0
Banding strength
≤electrodes nipple MPa 11
13.5 11
13.5 9.5
13.5 8.5
13.5
Elastic meduluc
≤electrodes nipple Gpa 8.6
11.5 8.6
11.5 8.6
11.5 8.6
11.5
Bulk density
≤electrodes nipple g/cm3 1.62
1.68 1.58
1.67 1.56
1.72 1.56
1.72
Ash≤electrodes nipple % 0.4 0.4 0.4 0.4
CTE≤electrodes nipple 10^-6L/°C 2.2
2.4 2.2
2.4 2.4
2.6 2.4
2.6

 
 
we can also supply HP,UHP graphite elelctrodes from diameter 70 to diameter 600MM , please visit our websit:http://www.ccmgraphite.com/Products.html

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