| 焊管   
| 焊管规格 | 外径 | 国标壁厚 | 焊管理论重量表 |  
| 4分 | 15 | 1/2寸 | 21.25 | 2.75 | 1.26 |  
| 6分 | 20 | 3/4寸 | 26.75 | 2.75 | 1.63 |  
| 1寸 | 25 | 1寸 | 33.3 | 3.25 | 2.42 |  
| 1.2寸 | 32 | 11/4寸 | 42.25 | 3.25 | 3.13 |  
| 1.5寸 | 40 | 11/2寸 | 48 | 3.5 | 3.84 |  
| 2寸 | 50 | 2寸 | 60 | 3.5 | 4.88 |  
| 2.5寸 | 70 | 21/2寸 | 75.5 | 3.75 | 6.64 |  
| 3寸 | 80 | 3寸 | 88.5 | 4.0 | 8.34 |  
| 4寸 | 100 | 4寸 | 114 | 4.0 | 10.85 |  
| 5寸 | 125 | 5寸 | 140 | 4.5 | 15.04 |  
| 6寸 | 150 | 6寸 | 165 | 4.5 | 17.81 |  
| 8寸 | 200 | 8寸 | 219 | 6 | 31.52 |  镀锌管规格 
 
| 规格 | 壁厚 | 规格 | 壁厚 | 规格 | 壁厚 | 规格 | 壁厚 |  
| DN15 | 1.8 | DN40 | 1.8 | DN80 | 2.2 | DN150 | 2.5 |  
| 2.0 | 2.0 | 2.5 | 2.75 |  
| 2.2 | 2.2 | 2.75 | 3.0 |  
| 2.5 | 2.5 | 3.0 | 3.25 |  
| 2.75 | 2.75 | 3.25 | 3.5 |  
| DN20 | 1.8 | 3.0 | 3.5 | 3.75 |  
| 2.0 | 3.25 | 3.74 | 4.0 |  
| 2.2 | 3.5 | 4.0 | 4.25 |  
| 2.5 | DN50 | 1.8 | DN100 | 2.0 | DN200 | 2.75 |  
| 2.75 | 2.0 | 2.2 | 3.0 |  
| DN25 | 1.8 | 2.2 | 2.5 | 3.25 |  
| 2.0 | 2.5 | 2.75 | 3.5 |  
| 2.2 | 2.75 | 3.0 | 3.75 |  
| 2.5 | 3.0 | 3.25 | 4.0 |  
| 2.75 | 3.25 | 3.5 | 4.25 |  
| 3.0 | 3.5 | 3.75 | 4.5 |  
| 3.25 | DN65 | 2.2 | 4.0 | 4.75 |  
| DN32 | 1.8 | 2.5 | 4.25 | 5.0 |  
| 2.0 | 2.75 | DN125 | 2.5 | DN200 | 5.5 |  
| 2.2 | 3.0 | 2.75 | DN200 | 5.75 |  
| 2.5 | 3.25 | 3.0 | DN200 | 6.0 |  
| 2.75 | 3.5 | 3.25 |  |  |  
| 3.0 | 3.75 | 3.5 |  |  |  
| 3.25 | www.zg-steel.com |  | 3.75 |  |  |  |