



| Sequenc e | Item | numerical value |
| 1 | Round pipe diameter | Φ114 mm~ Φ200mm |
| 2 | Round pipe thickness | Δ1. 5 mm~ 2.5 mm |
| 3 | Rolling speed | 20M/min~ 50M/min (different diameter and thickness choose different speed) |
| 4 | Length of pipe | 4M~ 8M |
| Sequen ce | Item | numerical value | Remark |
| 1 | Thickness of steel strip | Δ1. 5 ~ 2.5mm | Raw Material: Carbon steel Alloy steel Galvanized steel |
| 2 | Width of steel strip | H360 ~ 628 mm | |
| 3 | Outer diameter of steel coil | Φ800mm~ Φ1600mm | |
| 4 | Inner diameter of steel coil | Φ500mm~ Φ650mm | |














