China High Power Graphite Electrodes HP300mm Graphite Electrode Production, Find details about China Graphite Electrode, UHP Graphite Electrode from China High Power Graphite Electrodes HP300mm Graphite Electrode Production
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. |