Graphite electrode Artificial graphite electrodes are made of high-quality low ash materials, like the ...    More ...

Graphite electrode
Artificial graphite electrodes are made of high-quality low ash materials, like the petroleum coke, needle coke and coal pitch. After experiencing calculations, burdening, kneading, forming, baking and pressure impregnation, it is graphitized in a high temperature of over 3000℃, And then treated with machining. this kind of product is widely used for electric arc steel-making, yellow phosphorus, indusreial silicon, other alloys and non-metallic materials of electric atc furnace. this product is characterized by low resistivity, good electrical conductivity, low ash, even and compact structure, good antioxidation and high mechanical strength


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Graphite electrode
Project Nominal diameter /mm
250-300 350-450
Resistivity / μΩ·m ≦ Electrode 9 9
Joint 8 8
Flexural strength / Mpa ≧ Electrode 8 7
Joint 15 15
Elastic modulus / Gpa ≦ Electrode 9.3 9.3
Joint 14 14
Bulk density / g/cm3 ≧ Electrode 1.53 1.53
Joint 1.7 1.7
Thermal expansion coeffi  10^-6/℃ ≦ Electrode 2.9 2.9
cient / Joint 2.8 2.8
Ash / % 　 ≦ 　 0.5 0.5
 




Nominal Actual diameter Nominal length Actual 　
diameter length
　 Maxmum Minmal Black part is the Allow Short feet
　 smallest deviation
Inches mm
10 250 256 251 248 1600/1800/2000 ±100 -275
12 300 307 302 299
14 350 357 352 349
16 400 409 403 400 1600/1800/2000/2200
18 450 460 454 451
20 500 511 505 502 1800/2000/2200/2400
22 550 562 556 553
24 600 613 607 604 2000/2200/2400/2700
 


 
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