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Nominal Diameter | Actual Diameter | Length (mm) | Tolerance | ||||||||
MM | Inch | Poppy | Mines | The Min Size Of The Black Part | Length (mm) | 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 | 1600/1800/2000/2200 | ||||||
450 | 18 | 460 | 454 | 451 | 1600/1800/2000/2200 | ||||||
500 | 20 | 511 | 505 | 502 | 1600/1800/2000/2200 | ||||||
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 | ||||||
Item | Unit | Graphite Electrode | ||||||||
RP | HP | UHP | ||||||||
φ300-φ800mm | φ300-φ800mm | φ300-φ500mm | φ550-φ800mm | |||||||
Typical Value | Typical Value | Typical Value | Typical Value | |||||||
Resistivity | Electrode | μΩm | 7.0-10.0 | 5.8-6.6 | 4.5-5.8 | 4.6-5.8 | ||||
Nipple | 4.0-4.5 | 3.5-4.0 | 3.5-4.0 | 3.5-4.0 | ||||||
Modulus of Rupture | Electrode | Mpa | 8.0-10.0 | 10.0-13.0 | 10.0-14.0 | 10.0-14.0 | ||||
Nipple | 19.0-22.0 | 20.0-23.0 | 20.0-24.0 | 22.0-26.0 | ||||||
Young's Modulus | Electrode | 7.0-9.3 | 8.0-12.0 | 9.0-13.0 | 10.0-14.0 | |||||
Nipple | 12.0-14.0 | 14.0-16.0 | 15.0-18.0 | 16.0-19.0 | ||||||
Bulk Density | Electrode | g/cm3 | 1.53-1.56 | 1.64-1.68 | 1.68-1.74 | 1.70-1.74 | ||||
Nipple | 1.70-1.74 | 1.75-1.80 | 1.78-1.82 | 1.80-1.84 | ||||||
CTE (100-600ºC) | Electrode | 10-6/ºC | 2.2-2.6 | 1.6-1.9 | 1.1-1.4 | 1.1-1.4 | ||||
Nipple | 2.0-2.5 | 1.1-1.4 | 0.9-1.2 | 0.9-1.2 | ||||||
Ash | % | 0.5 | 0.3 | |||||||


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