| 挑刺管 | ||||||||||
| 光管段 | 翅片段 | |||||||||
| 项次 | 外径 mm | 壁厚 mm | 外径 mm | 有效壁厚 mm | 最小壁厚 mm | 翅片高度 mm | 名义外表面积 ㎡/m | 实际外表面积 ㎡/m | 名义内表面积 ㎡/m | 实际内表面积 ㎡/m |
| O.D. | Wall Thickness | O.D. | Wall Thickness | minimum Wall Thickness | Fin height | Nominal outside surface area | actualoutside surface area | Nominal inside surface area | Nominal inside surface area | |
| 1 | 11.10 | 1.10 | 13.80 | 0.75 | 0.60 | 1.70 | 0.0348 | 0.1503 | 0.0279 | 0.0307 |
| 2 | 15.88 | 1.20 | 18.58 | 0.85 | 0.70 | 1.70 | 0.0499 | 0.2094 | 0.0423 | 0.0465 |
| 3 | 19.70 | 1.33 | 22.40 | 0.95 | 0.80 | 1.70 | 0.0618 | 0.2566 | 0.0535 | 0.0589 |
