Products
1.1Standard Specification For Graphite Electrode
| 项目ltem | 单位 | 普通功率RP | 高体密HD | 高功率HP | 超高功率UHP | |||||
| φ250-400 | φ450-600 | φ250-400 | φ400-600 | φ250-400 | φ400-600 | φ250-400 | φ400-600 | |||
电阻率 （不大于） Resistivity max | 电极 Electrode | υΩm | 8.2 | 8.8 | 7.0 | 7.4 | 6.2 | 6.5 | 4.0 | 4.0 |
接头 Nipple | 5.5 | 5.5 | 4.8 | 4.8 | 4.5 | 4.5 | 12.0 | 12.0 | ||
抗拆强度 （不小于） Beding strength min | 电极 Electrode | Mpa | 8.2 | 7.0 | 10.0 | 10.0 | 11.0 | 11.0 | 21.0 | 21.0 |
接头 Nipple | 18.0 | 18.0 | 19.0 | 19.0 | 20.0 | 20.0 | 14.0 | 14.0 | ||
弹性模量 （不大于） Beding strength min | 电极 Electrode | Gpa | 9.3 | 9.3 | 12.0 | 12.0 | 12.0 | 12.0 | 18.0 | 18.0 |
接头 Nipple | 14.0 | 14.0 | 16.0 | 16.0 | 16.0 | 16.0 | 5.7 | 6.0 | ||
体积密度 （不小于） Bulk density min | 电极 Electrode | g/cm3 | 1.54 | 1.54 | 1.64 | 1.64 | 1.66 | 1.66 | 1.68 | 1.68 |
接头 Nipple | 1.72 | 1.72 | 1.74 | 1.74 | 1.74 | 1.74 | 1.77 | 1.76 | ||
热膨胀系数 （不大于） C.T.E (100-600℃) max | 电极 Electrode | 10-6℃ | 2.5 | 2.4 | 2.3 | 2.3 | 2.0 | 2.0 | 1.7 | 1.7 |
接头 Nipple | 2.0 | 2.0 | 1.8 | 1.8 | 1.6 | 1.6 | 1.3 | 1.3 | ||
灰分 （不大于） Ash max | 电极 Electrode 接头 Nipple | % | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 |
1.2Standard Size For Graphite Electrode
| Standard Diameter | Tolerance mn | Length | ||
| Inch | mm | Max | Min | mm |
| 3 | 75 | 78 | 73 | 1000/1200/1600 |
| 4 | 100 | 103 | 98 | 1000/1200/1600 |
| 5 | 130 | 132 | 127 | 1000/1200/1600 |
| 6 | 150 | 154 | 149 | 1200/1600 |
| 7 | 175 | 179 | 174 | 1200/1600 |
| 8 | 200 | 205 | 201 | 1600/1800 |
| 9 | 225 | 230 | 225 | 1600/1800 |
| 10 | 250 | 256 | 251 | 1600/1800 |
| 12 | 300 | 307 | 302 | 1600/1800/1900/2000 |
| 14 | 350 | 357 | 352 | 1600/1800/1900/2000/2200 |
| 16 | 400 | 409 | 403 | 1600/1800/1900/2000/2200/2400 |
| 18 | 450 | 460 | 454 | 1600/1800/1900/2000/2200/2400 |
| 20 | 500 | 511 | 505 | 1800/1900/2000/2200/2400 |
| 22 | 550 | 562 | 556 | 1800/2000/2200/2400 |
| 24 | 600 | 613 | 607 | 2000/2200/2400/2700 |
| 26 | 650 | 663 | 657 | 2400/2700/3000 |
| 28 | 700 | 714 | 708 | 2400/2700/3000 |
1.3Standard Size For Graphite Electrode Nipple
1.3.1Number Of Threads Per Inch=3
| Standard Diameter | Nipples Size | Standard Weight kg/pc | ||||
| Inch | mm | A mm | L mm | RP | HP | UHP |
| 3 | 225 | 139.70 | 203.20 | 3.79 | 3.88 | 3.93 |
| 4 | 250 | 155.58 | 220.10 | 5.17 | 5.29 | 5.35 |
| 5 | 300 | 177.17 | 270.90 | 8.14 | 8.34 | 8.43 |
| 6 | 350 | 215.90 | 304.80 | 14.04 | 14.37 | 14.54 |
| 7 | 400 | 215.90 | 304.80 | 14.04 | 14.37 | 14.54 |
| 241.30 | 338.60 | 19.89 | 20.36 | 20.60 | ||
| 8 | 450 | 241.30 | 338.60 | 19.89 | 20.36 | 20.60 |
| 273.05 | 355.60 | 26.97 | 27.62 | 27.94 | ||
| 9 | 500 | 273.05 | 355.60 | 26.97 | 27.62 | 27.94 |
| 298.45 | 372.50 | 34.18 | 35.20 | 35.41 | ||
| 10 | 550 | 273.05 | 355.60 | 27.94 | 27.62 | 27.94 |
| 298.45 | 372.50 | 34.18 | 35.20 | 35.41 | ||
| 24 | 600 | 298.45 | 372.50 | 34.18 | 35.20 | 35.41 |
| 317.50 | 355.60 | 38.17 | 39.08 | 39.53 | ||
1.3.2Number Of Threads Per Inch=4
| Standard Diameter | Nipples Size | Standard Weight kg/pc | ||||
| Inch | mm | A mm | L mm | RP | HP | UHP |
| 3 | 75 | 46.04 | 76.20 | 0.135 | 0.14 | 0.14 |
| 4 | 100 | 69.85 | 101.60 | 0.45 | 0.47 | 0.48 |
| 5 | 130 | 79.38 | 127.00 | 0.73 | 0.75 | 0.75 |
| 6 | 150 | 92.08 | 139.70 | 1.11 | 1.14 | 1.15 |
| 7 | 175 | 107.95 | 165.10 | 1.82 | 1.86 | 1.88 |
| 8 | 200 | 122.24 | 177.80 | 2.57 | 2.63 | 2.66 |
| 9 | 225 | 139.70 | 177.80 | 3.49 | 3.58 | 3.62 |
| 10 | 250 | 152.40 | 190.50 | 4.49 | 4.60 | 4.65 |
| 12 | 300 | 177.80 | 215.90 | 7.07 | 7.19 | 7.27 |
| 14 | 350 | 203.20 | 254.00 | 10.77 | 11.03 | 11.16 |
| 16 | 400 | 222.25 | 304.80 | 15.17 | 15.54 | 15.72 |
| 18 | 450 | 241.30 | 304.80 | 18.29 | 18.72 | 18.94 |
| 20 | 500 | 269.88 | 355.60 | 26.50 | 27.13 | 27.44 |
| 22 | 550 | 298.45 | 355.60 | 33.25 | 34.04 | 34.44 |
| 24 | 600 | 317.50 | 355.60 | 38.17 | 39.08 | 39.53 |
| 26 | 650 | 355.60 | 457.20 | 59.90 | 61.33 | 62.04 |
| 28 | 700 | 374.65 | 457.20 | 67.37 | 68.98 | 69.78 |