螺旋管
产品概述及理论重量：螺旋管也称螺旋钢管或螺旋焊管，是将低碳素结构钢或低合金结构钢钢带按一定的螺旋线的角度（叫成型角）卷成管坯，然后将管缝焊接起来制成的，它可以用较窄的带钢生产大直径的钢管。国内常用螺旋管材质一般有：Q235A、Q235B、Q345、L245、L290、X42、X52、X60、X70、X80、0Cr13、1Cr17、00Cr19Ni11、1Cr18Ni9、0Cr18Ni11Nb。
| 外径mm | 壁厚 | |||||||
| 5 | 6 | 7 | 8 | 10 | 12 | 14 | 16.0 | |
| 219 |
|
6 | 7 | 8 |
|
|
|
|
| 273 |
|
6 | 7 | 8 |
|
|
|
|
| 325 |
|
6 | 7 | 8 | 10 |
|
|
|
| 377 |
|
6 | 7 | 8 | 10 |
|
|
|
| 426 |
|
6 | 7 | 8 | 10 |
|
|
|
| 478 |
|
6 | 7 | 8 | 10 |
|
|
|
| 529 |
|
6 | 7 | 8 | 10 |
|
|
|
| 630 |
|
6 | 7 | 8 | 10 |
|
|
|
| 720 |
|
|
|
8 | 10 | 12 |
|
|
| 820 |
|
|
|
8 | 10 | 12 |
|
|
| 920 |
|
|
|
8 | 10 | 12 |
|
|
| 1020 |
|
|
|
8 | 10 | 12 | 14 |
|
| 1220 |
|
|
|
8 | 10 | 12 | 14 | 16.0 |
| 1420 |
|
|
|
8 | 10 | 12 | 14 | 16.0 |
| 1620 |
|
|
|
8 | 10 | 12 | 14 | 16.0 |
| 1820 |
|
|
|
8 | 10 | 12 | 14 | 16.0 |
| 2020 |
|
|
|
8 | 10 | 12 | 14 | 16.0 |
| 2220 |
|
|
|
8 | 10 | 12 | 14 | 16.0 |