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Graphite Electrode Nipples
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Table one：Electrode size with 4 TPI connector
| Graphite Electrodes | Nipples 4 Threads/Inch | |||||||||
| Nominal Diameter | Depth | IEC Designation |
Length | Maximum DIA | Average Weight | |||||
| (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (IB) | (KG) | |
| 350 | 14 | 130 | 5.118 | 203T4N | 254.0 | 10.0 | 203.20 | 8.000 | 24.25 | 11.00 |
| 400 | 16 | 155 | 6.102 | 222T4N | 304.8 | 12.0 | 222.25 | 8.750 | 34.20 | 15.50 |
| 400 | 16L | 181 | 7.125 | 222T4L | 355.6 | 14.0 | 222.25 | 8.750 | 38.60 | 17.50 |
| 450 | 18 | 155 | 6.102 | 241T4N | 304.8 | 12.0 | 241.30 | 9.500 | 40.80 | 18.50 |
| 450 | 18L | 181 | 7.125 | 241T4L | 355.6 | 14.0 | 241.30 | 9.500 | 46.30 | 21.00 |
| 500 | 20 | 181 | 7.125 | 269T4N | 355.6 | 14.0 | 269.88 | 10.625 | 60.60 | 27.50 |
| 500 | 20L | 233 | 9.173 | 269T4L | 457.2 | 18.0 | 269.88 | 10.625 | 71.69 | 32.50 |
| 550 | 22 | 181 | 7.125 | 298T4N | 355.6 | 14.0 | 298.45 | 11.750 | 74.95 | 34.00 |
| 550 | 22L | 233 | 9.173 | 298T4L | 457.2 | 18.0 | 298.45 | 11.750 | 92.60 | 42.00 |
| 600 | 24 | 181 | 7.125 | 317T4N | 355.6 | 14.0 | 317.50 | 12.500 | 28.20 | 40.00 |
| 600 | 24L | 233 | 9.173 | 317T4L | 457.2 | 18.0 | 317.50 | 12.500 | 108.00 | 49.00 |
| 650 | 26 | 233 | 9.173 | 355T4N | 457.2 | 18.0 | 355.60 | 14.000 | 141.00 | 64.00 |
| 650 | 26L | 284 | 11.187 | 355T4L | 558.8 | 22.0 | 355.60 | 14.000 | 154.30 | 70.00 |
| 700 | 28 | 284 | 11.187 | 374T4L | 558.8 | 22.0 | 374.65 | 14.750 | 180.70 | 82.00 |
| 750 | 30 | 298 | 11.732 | 406T4N | 584.2 | 23.0 | 406.40 | 16.000 | 223.15 | 101.17 |
| 750 | 30L | 310 | 12.204 | 406T4L | 609.6 | 24.0 | 406.40 | 16.000 | 230.05 | 104.30 |
| 800 | 32 | 323 | 12.716 | 431T4N | 635.0 | 25.0 | 431.80 | 17.000 | 272.71 | 123.64 |
| 800 | 32 | 348 | 13.700 | 431T4L | 685.8 | 27.0 | 431.80 | 17.000 | 287.86 | 130.51 |
Table two：Electrode size with 3 TPI thread
| Graphite Electrodes | Nipples 3 Threads/Inch | |||||||||
| Nominal Diameter | Depth | IEC Designation |
Length | Maximum DIA | Average Weight | |||||
| (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (IB) | (KG) | |
| 350 | 14 | 153 | 6.023 | 215T3N | 304.8 | 12.0 | 215.90 | 8.500 | 32.00 | 14.50 |
| 350 | 14L | 181 | 7.125 | 215T3L | 355.6 | 14.0 | 215.90 | 8.500 | 38.50 | 17.50 |
| 400 | 16 | 153 | 6.023 | 215T3N | 304.8 | 12.0 | 215.90 | 8.500 | 32.00 | 14.50 |
| 400 | 16 | 170 | 6.692 | 241T3N | 338.7 | 13.3 | 241.30 | 9.500 | 44.00 | 20.00 |
| 400 | 16L | 181 | 7.125 | 241T3L | 355.6 | 14.0 | 241.30 | 9.500 | 46.30 | 21.00 |
| 450 | 18 | 170 | 6.692 | 241T3N | 338.7 | 13.3 | 241.30 | 9.500 | 44.00 | 20.00 |
| 450 | 18 | 181 | 7.126 | 273T3N | 355.6 | 14.0 | 273.05 | 10.750 | 61.70 | 28.00 |
| 450 | 18L | 233 | 9.173 | 273T3L | 457.2 | 18.0 | 273.05 | 10.750 | 71.60 | 32.50 |
| 500 | 20 | 181 | 7.126 | 273T3N | 355.6 | 14.0 | 273.05 | 10.750 | 61.70 | 28.00 |
| 500 | 20L | 233 | 9.173 | 273T3L | 457.2 | 18.0 | 273.05 | 10.750 | 71.60 | 32.50 |
| 550 | 22 | 187 | 7.362 | 298T3N | 372.4 | 14.7 | 298.45 | 11.750 | 77.00 | 35.00 |
| 550 | 22L | 233 | 9.173 | 298T3L | 457.2 | 18.0 | 298.45 | 11.750 | 94.80 | 43.00 |
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