石墨电极标准尺寸
规格（英寸） | 直径允许范围（mm) Allowable Diameter(mm) | 长度允许范围（mm) Allowable Length(mm) | ||||
公称直径 | ** Max. | *小 Min. | 公称长度 Nominal Length | ** Max. | *小 Min. | |
| 12 | 300 | 307 | 302 | 1800 | 1875 | 1700 |
| 14 | 350 | 357 | 352 | 1600 | 1700 | 1500 |
| 1800 | 1875 | 1700 | ||||
| 16 | 400 | 409 | 403 | 1600 | 1500 | 1500 |
| 1800 | 1875 | 1700 | ||||
| 2100 | 2175 | 1975 | ||||
| 18 | 450 | 460 | 454 | 1800 | 1875 | 1700 |
| 2100 | 2175 | 1975 | ||||
| 2400 | 2475 | 2275 | ||||
| 20 | 500 | 511 | 505 | 1800 | 1875 | 1700 |
| 2100 | 2175 | 1975 | ||||
| 2400 | 2475 | 2275 | ||||
| 22 | 550 | 562 | 556 | 2100 | 2175 | 1975 |
| 2400 | 2475 | 2275 | ||||
| 24 | 600 | 613 | 607 | 2100 | 2175 | 1975 |
| 2400 | 2475 | 2275 | ||||
| 2800 | 2850 | 2550 | ||||
| 26 | 650 | 663 | 657 | 2400 | 2475 | 2275 |
| 28 | 700 | 714 | 708 | 2400 | 2475 | 2275 |
| 2800 | 2850 | 2550 | ||||
如有特殊规格要求，供需双方协商。If there are special specification requirements,both sides consult supply and demand.