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Graphite 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
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 | ||
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
Artifical graphite electrodes is made of high-quality low ash materials,like the petroleum coke, needle coke and coal pitch.Our graphite electrodes is characterized by low resistivity, good electrical Conductivity, low ash, even and compact structure, good antioxidation and high mechanical strength.
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