Materials: L245，L360，A53，J55，N80 ，X42，X46，X52，X56，X60，X65，X70
Equipment advantages：
√ Successfully manufactured China’s large straight seam API pipe production line with Max OD 720mm
√ Apply to high strength steel and big thickness
√ ZTF forming process save roller up to 60%
√ Electric control and automatic adjustment, high precision,high roller change speed
|
Model |
Round pipe mm |
Thickness mm |
Working spead m/min |
|
|
ERW140 |
Ф60-Ф140 |
2.0-5.0 |
60 |
|
|
ERW165 |
Ф76-Ф165 |
2.0-6.0 |
50 |
|
|
ERW219 |
Ф89-Ф219 |
2.0-8.0 |
50 |
|
|
ERW273 |
Ф114-Ф273 |
3.0-10.0 |
45 |
|
|
ERW325 |
Ф140-Ф325 |
4.0-12.7 |
40 |
|
|
ERW377 |
Ф165-Ф377 |
4.0-14.0 |
35 |
|
|
ERW406 |
Ф219-Ф406 |
6.0-16.0 |
30 |
|
|
ERW508 |
Ф273-Ф508 |
6.0-18.0 |
25 |
|
|
ERW660 |
Ф325-Ф660 |
6.0-20.0 |
20 |
|
|
ERW720 |
Ф355-Ф720 |
6.0-22.0 |
20 |
Technical flow
Scroll up→ Uncoiler→ Straightening end→ Flattener→ Auto-Shear and Welding→ Horizontal Accumulator→ Strip UT→Forming(ZTF) → H.F. induction welding→ Removing external burr→ Removing inner burr→ Burnishing→ Online Detection→ Seam annealer→ Air cooling→ Water cooling→ Sizing→ Cut off→ Roll table→Flattening Test→ End-facing and chamfering→ Hydrostatic test→Off-line UT test→ Drifter→ inspection→Weighing and length measurement → Coating & Printing→ Packing→ Warehouse
Note: We can design and manufacture pipe making machine according to customers’ requirements.
