| Specs. | 1/2"-1+1/2 | 1+1/2"-2+1/2" | 1"-3" | 1"-4" | 2"-6" | 3"-8" | 4"-10"(12") |
| Type | roller connection | ||||||
| Pipe diameter(mm) | 1+/2"-1+1/2" | 1+1/2"-2+1/2" | 1"-3" | 1"-4" | 2"-6" | 89-219 | 114-273(325) |
| Wall thickness(mm) | 0.9-3.5 | 1.5-4.5 | 2-5.5 | 2//6 | 2//6 | 3-9.5 | 3//10 |
| Pipe length(mm) | 5//7 | 5//7 | 5//7 | 6//8 | 6//8 | 6//12 | 6//12 |
| Raw material(σs-Mpa) | ≤350 | ≤350 | ≤350 | ≤350 | ≤350 | ≤350 | ≤350 |
| Strip coil O.D.(mm) | Φ800/1800 | Φ200/1800 | Φ800/1800 | Φ800/1800 | Φ1200/1800 | Φ1200/1800 | Φ1200/1800 |
| Strip coil I.D.(mm) | Φ610 | Φ610 | Φ610 | Φ610 | Φ610 | Φ610 | Φ610/760 |
| Strip coil width(mm) | 60-160 | 60-250 | 80-290 | 60-360 | 120-560 | 290-675 | 340-900 |
| strip coil weight(T) | 2 | 2 | 2 | 5 | 10 | 12 | 15 |
| Strip steel forming | double radius | W-type forming | |||||
| Welding type | high frequency induction | ||||||
| Welding speed(m/min) | 40-80 | 20-60 | 40-80 | 30-60 | 20-60 | 10-40 | 10-40 |
| output(MT) | 1.2 | 1.6(two shift) | 1.6(two shift) | 3.4 | 3.5 | 4 | 5 |