This ERW Pipe making machines is used to level the fixed strip after slitting line, and entry it to forming machine, bend to pipe by roller, melt the strip edges through the High frequency current, squeeze and weld the pipe by the squeeze roll. The high frequency pipe mill is also called ERW pipe mill.
ERW Pipe making machine Technical Process:
Loading coil—Uncoiler—Leveling—Shearing and butt welding—Accumulator—Forming—HF welding—Intermediate annealing—Air cooling—Water cooling—Sizing—Cutting —End facing and chamfering—Hydraulic testing—UT testing—Marking—Storing.
ERW Tube Mill Other Model
Model | Diameter Range | Pipe Thickness | Line Speed(m/min) |
HG20 | 8-25.4MM | 0.3-1.2MM | 120 |
HG32 | 10-32MM | 1.4-1.5MM | 120 |
HG50 | 16-76MM | 0.7-2.5MM | 30-120 |
HG76 | 25-76MM | 1-4MM | 30-100 |
HG89 | 32-89MM | 1-4.5MM | 30-80 |
HG114 | 45-114MM | 1.5-5.0MM | 30-60 |
HG165 | 60-165MM | 3-7MM | 30-50 |
HG219 | 114-219MM | 4-8MM | 20-40 |
HG273 | 114-273MM | 4-10MM | 15-30 |
HG325 | 165-325MM | 4-10MM | 10-30 |
HG426 | 165-426MM | 4-12.7MM | 8-25 |
HG508 | 219-508MM | 4-16MM | 8-20 |