尺寸规格
| 尺寸管外径 | A | B | C | 标称壁厚 |
| 1 1/2 x 1 | 2 | 1 1/2 | 1 | 0.065 |
| 2 x 1 1/2 | 2 | 2 | 1 1/2 | 0.065 |
| 2 1/2 x 1/2 | 4 | 2 1/2 | 1 1/2 | 0.065 |
| 2 1/2 x 2 | 2 | 2 1/2 | 2 | 0.065 |
| 3 x 1 1/2 | 6 | 3 | 1 1/2 | 0.065 |
| 3 x 2 | 4 | 3 | 2 | 0.065 |
| 3 x 2 1/2 | 2 | 3 | 2 1/2 | 0.065 |
| 4 x 1 1/2 | 10 | 4 | 1 1/2 | 0.083 |
| 4 x 2 | 8 | 4 | 2 | 0.083 |
| 4 x 2 1/2 | 6 | 4 | 2 1/2 | 0.083 |
| 4 x 3 | 4 | 4 | 3 | 0.083 |
