Artifical graphite electrodes is made of high-quality low ash materials,like the petroleum coke,needle coke and coal pitch.After experiencing calcinations,burdening,kneading,forming,baking and pressure impregnation,it is graphitized in a hign 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

High power

Project Nominal diameter /mm

200-400 450-500 550-700

Resistivity / μΩ•m ≦ Electrode 7 7.5 7.5

Joint 6.3 6.3 6.3

Flexural strength / Mpa ≧ Electrode 10.5 10 8.5

Joint 17 17 17

Elastic modulus / Gpa ≦ Electrode 14 14 14

Joint 16 16 16

Bulk density / g/cm3 ≧ Electrode 1.6 1.6 1.6

Joint 1.72 1.72 1.72

Thermal expansion coeffi 10-6/℃ ≦ Electrode 2.4 2.4 2.4

cient / Joint 2.2 2.2 2.2

Ash / % 　 ≦ 　 0.5 0.5 0.5

Size and permissble variation of Graphite Electrode

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

Graphite Electrode, Carbon Graphite Electrode, UHP Electrode, HP Electrode Wholesaler

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