套管直径 Casing Dia. (øD) |
外筒厚度 Outer Shell THK(T) |
内筒厚度 Inner Shell THK(T) |
套管厚度 Casing THK. (T) |
螺栓数目 Bolts No. |
重量(3m) Weight |
620-540 | 12 | 8 | 40 | 8 | 1063 |
750-670 | 12 | 8 | 40 | 10 | 1284 |
880-800 | 12 | 8 | 40 | 10 | 1525 |
1000-920 | 12 | 8 | 40 | 10 | 1734 |
1180-1100 | 12 | 8 | 40 | 12 | 1958 |