Usage :Â
Grate  Electrodes  has good electrical properties and chemical resistance, which has high mechanical strength at high temperature and good seismic performance.It is good conductor of heat and electricity, widely used in electric arc furnace steelmaking, refining furnace, ferroalloy production, industrial silicon, srus corundum and other submerged arc furnace with an electric arc furnace smelting and other high temperature furnace.
Features :
high sical volume densityÂ
super anti-press power
low rate of electric resistance
strong anti-oxidizes
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Specification Table :
UHP Size and Tolerance | |||||||
Diameter (mm) | Length (mm) | ||||||
Nominal diameter | Actual diameter | Nominal length | Tolerance | Short feet length | |||
mm | inch | max | min | mm | mm | max | min |
200 | 8 | 209 | 203 |   1800/2000/ 2200/2300 2400/2700 |    ±100 |    -100   |    -275   |
250 | 10 | 258 | 252 | ||||
300 | 12 | 307 | 302 | ||||
350 | 14 | 357 | 352 | ||||
400 | 16 | 409 | 403 | ||||
450 | 18 | 460 | 454 | ||||
500 | 20 | 511 | 505 | ||||
550 | 22 | 556 | 553 | ||||
600 | 24 | 613 | 607 | ||||
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sical and Chemical Index of UHP | |||||
 Items |  unit | Diameter: 300-600mm | |||
Standard | Test data | ||||
Electrode | Nipple | Electrode | Nipple | ||
Electrical resistance | μΩm | 5.5-6.0 | 5.0 | 5.0-5.8 | 4.5 |
Flexure strength | Mpa | 10.5 | 16 | 14-16 | 18-20 |
Modulus of elasticity | GPa | 14 | 18 | 12 | 14 |
Ash content | % | 0.2 | 0.2 | 0.2 | 0.2 |
Apparent density | g/cm3 | 1.64-16.5 | 1.70-1.72 | 1.72-1.75 | 1.78 |
Factor of expansion(100-600℃) | x10-6/℃ | 1.5 | 1.4 | 1.3 | 1.2 |
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Product Pictures :Â
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