China Italy Graphite Electrodes, Philippines Graphite Electrode Graphite, Electrode South Korea, Find details about China Graphite Electrode, UHP Graphite Electrode from Italy Graphite Electrodes, Philippines Graphite Electrode Graphite, Electrode South Korea
Nominal Diameter | Actual Diameter | Length (mm) | Tolerance | ||||
MM | Inch | Poppy | Mines | The Minimum Size Of The Black Part | Length | Short Length | |
75 | 3 | 78 | 73 | 72 | 1400/1600 | ± 100 | -275 |
100 | 4 | 103 | 98 | 97 | 1400/1600 | ||
130 | 5 | 132 | 127 | 126 | 1400 | ||
150 | 6 | 154 | 149 | 146 | 1400/1600/1800 | ||
175 | 7 | 180 | 174 | 172 | 1400/1600 | ||
200 | 8 | 205 | 200 | 197 | 1600/1800 | ||
225 | 9 | 230 | 225 | 222 | 1600/1800 | ||
250 | 10 | 255 | 251 | 248 | 1600/1800 | ||
300 | 12 | 307 | 302 | 299 | 1600/1800/2000 | ||
350 | 14 | 357 | 352 | 349 | 1600/1800/2000 | ||
400 | 16 | 409 | 403 | 400 | 1600/1800/2000/22000 | ||
450 | 18 | 460 | 454 | 451 | 1600/1800/2000/22000 | ||
500 | 20 | 511 | 505 | 502 | 1600/1800/2000/22000 | ||
550 | 22 | 562 | 556 | 553 | 1800/2000/2200/2400 | ||
600 | 24 | 613 | 607 | 604 | 2000/2200/2400/2700 | ||
650 | 26 | 663 | 659 | 656 | 2000/2200/2400/2700 | ||
700 | 28 | 714 | 710 | 707 | 2000/2200/2400/2700 |
Name | Unit | Nominal Diameter | ||||||
UHP Ultra-High-Power | HP Superstrong | RP Conventional Power | ||||||
≤Φ400 | ≥Φ450 | ≤Φ400 | ≥Φ450 | ≤Φ300 | ≥Φ350 | |||
Resistivity | Electrode | ΜΩ · m | ≤5.5 | ≤6.5 | ≤8.5 | |||
Nipple | ≤4.5 | ≤5.5 | ≤6.5 | |||||
Flexural Strength | Electrode | MPa | ≥11.0 | ≥10.5 | ≥9.8 | ≥8.5 | ≥7.0 | |
Nipple | ≥20.0 | ≥16.0 | ≥15.0 | |||||
Elastic Modulus | Electrode | GPa | ≤14.0 | ≤12.0 | ≤9.3 | |||
Nipple | ≤18.0 | ≤16.0 | ≤14.0 | |||||
Density | Electrode | g / cm3 | ≥1.66 | ≥1.67 | ≥1.62 | 1.6 | ≥1.53 | ≥1.52 |
Nipple | ≥1.75 | ≥1.73 | ≥1.69 | |||||
Coefficient Of Thermal Expansion | Electrode | 10-6 / ºC | ≤1.5 | ≤2.4 | ≤2.9 | |||
Nipple | ≤1.4 | ≤2.2 | ≤2.8 | |||||
ASH | % | ≤0.3 | ≤0.3 | ≤0.5 | ||||
Note: 1.Koeffitsient ash content and thermal expansion as the reference index, the coefficient of thermal expansion (100 ºC ~ 600 ºC), Custom manufacturing. |
Name | Unit | Nominal Diameter | ||||||
75-200 mm | 250-300mm | 400-500mm | ||||||
top grade | first grade | top grade | first grade | top grade | first grade | |||
Resistivity (Not More Than) | Electrode | ΜΩ · m | 8.0 | 9.0 | 8.0 | 9.0 | 8.0 | 9.0 |
Nipple | 7.5 | 7.5 | 7.5 | |||||
Flexural Strength(not less than) | Electrode | MPa | 10 | 9 | 8 | |||
Nipple | 13 | 13 | 13 | |||||
Elastic Modulus(no more) | Electrode | GPa | 12 | 12 | 12 | |||
Nipple | 14 | 14 | 14 | |||||
Density(not less than) | Electrode | g / cm3 | 1.58 | 1.58 | 1.58 | |||
Nipple | 1.68 | 1.68 | 1.68 | |||||
Coefficient Of Thermal Expansion (No More) | Electrode | 10-6 / ºC | 2.7. | 2.7. | 2.7. | |||
Nipple | 2.5 | 2.5 | 2.5 | |||||
Ash Content (not more than) | % | 0.3 | 0.3 | 0.5 | ||||
Note: 1. The coefficient of ash content and thermal expansion as a reference index. |
Name | Unit | Nominal Diameter (mm) | ||
300, 350, 400 | 450, 500 | |||
Resistivity (not more than) | Electrode | ΜΩ · m | 6.2 | 6.5 |
Nipple | 5.5 | 5.5 | ||
Flexural Strength(not less than) | Electrode | MPa | 10.5 | 10 |
Nipple | 16 | 16 | ||
Elastic Modulus(no more) | Electrode | GPa | 14 | 14 |
Nipple | 18 | 18 | ||
Density(not less than) | Electrode | g / cm3 | 1.65 | 1.64 |
Nipple | 1.72 | 1.7 | ||
Coefficient Of Thermal Expansion (no more) | Electrode | 10-6 / ºC | 1.5 | 1.5 |
Nipple | 1.4 | 1.4 | ||
Ash Content (not more than) | % | 0.3 | 0.3 | |
Note: 1. Zonality as a reference index. |