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Ultra high power electrode
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
Ultra High power | ||||||
Project | Nominal diameter /mm | |||||
300-400 | 450-500 | 550-650 | ||||
Resistivity / | μΩ·m | ≦ | Electrode | 6.2 | 6.3 | 6 |
Joint | 5.3 | 5.3 | 4.5 | |||
Flexural strength / | Mpa | ≧ | Electrode | 10.5 | 10.5 | 10 |
Joint | 20 | 20 | 22 | |||
Elastic modulus / | Gpa | ≦ | Electrode | 14 | 14 | 14 |
Joint | 20 | 20 | 22 | |||
Bulk density / | g/cm3 | ≧ | Electrode | 1.67 | 1.66 | 1.66 |
Joint | 1.74 | 1.75 | 1.78 | |||
Thermal expansion coeffi | 10-6/℃ | ≦ | Electrode | 1.5 | 1.5 | 1.5 |
cient / | Joint | 1.4 | 1.4 | 1.3 | ||
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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