序號 |
規格(mm) |
壁 厚(mm) |
比重(m/kg) |
1 |
∮16 |
1.0+0.2 |
20 |
2 |
∮20 |
1.6+0.4 |
9.5 |
3 |
∮25 |
2.0+0.4 |
6.5 |
4 |
∮32 |
2.2+0.5 |
4.5 |
5 |
∮40 |
2.6+0.5 |
3 |
6 |
∮50 |
3.2+0.5 |
2 |
7 |
∮63 |
3.8+0.6 |
1.3 |
8 |
∮75 |
4.6+0.7 |
0.9 |
9 |
∮90 |
5.3+0.8 |
0.7 |