165 - 377mm Pipe Manufacturing Machinery Customized Equipment for
Oil Gas ERW Tube Mill
Product Introduction
This API pipe mill is specialized equipment to produce straight
welded pipe for petroleum and gas with Φ165mm~Φ377(355)mm and wall
thickness of 4.0~14.0mm. Taking hot-rolled steel as raw material,
it produce required pipes through cold roll forming and suitable
welding methods. Within suitable range of pipe diameter and wall
thickness, pipe production speed can be adjusted.
Raw material: L245,L360,A53,J55,N80 ,X42,X46,X52,X56,X60,X65,X70
Basic Technical Information
| Product&yield | Round Pipe | 165mm-377mm Thickness: 4.0mm-14.0mm |
| Length | 6m-12m Length Tolerance: ±3mm |
| Production Speed | 35 m/min |
| Production capacity | 120,000ton/year |
| Consumption | Mill installed capacity | 580 kw |
| Line Area | 145m(length) ×13m (width) |
| worker | 6-8 workers |
| Raw Material | Carbon Steel coil | Carbon steel coil Q235B(ASTM GR·D,σs 230) |
| Width | 520mm-1190mm Thickness: 4.0mm-14.0mm |
| Coil ID | 580-760mm |
| Coil OD | Max 2100mm |
| Coil Weight | 25.0t |
Usage
Architectural structure pipes, API pipes, tower footing tubes,
automobile beam steel pipe and other products.
Equipment advantages
√ When producing round pipe, it can utilize ZTF forming technique
√ When producing square & rectangular tube, it can utilize directly
square-square (DSS) technique
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
Product Model List
| Model | Round pipe mm | Square pipe mm | Thickness mm | Working spead m/min |
| ERW20 | Ф8-Ф20 | 6x6-15x15 | 0.3-1.5 | 120 |
| ERW32 | Ф10-Ф32 | 10x10-25x25 | 0.5-2.0 | 120 |
| ERW60 | Ф20-Ф60 | 15x15-50x50 | 0.8-3.0 | 120 |
| ERW76 | Ф32-Ф76 | 25x25-60x60 | 1.2-4.0 | 120 |
| ERW89 | Ф42-Ф89 | 35x35-70x70 | 1.5-4.5 | 110 |
| ERW114 | Ф48-Ф114 | 40x40-90x90 | 1.5-4.5 | 65 |
| ERW140 | Ф60-Ф140 | 50x50-110x110 | 2.0-5.0 | 60 |
| ERW165 | Ф76-Ф165 | 60x60-130x130 | 2.0-6.0 | 50 |
| ERW219 | Ф89-Ф219 | 70x70-170x170 | 2.0-8.0 | 50 |
| ERW273 | Ф114-Ф273 | 90x90-210x210 | 3.0-10.0 | 45 |
| ERW325 | Ф140-Ф325 | 110x110-250x250 | 4.0-12.7 | 40 |
| ERW377 | Ф165-Ф377 | 130x130-280x280 | 4.0-14.0 | 35 |
| ERW406 | Ф219-Ф406 | 170x170-330x330 | 6.0-16.0 | 30 |
| ERW508 | Ф273-Ф508 | 210x210-400x400 | 6.0-18.0 | 25 |
| ERW660 | Ф325-Ф660 | 250x250-500x500 | 6.0-20.0 | 20 |
| ERW720 | Ф355-Ф720 | 300x300-600x600 | 6.0-22.0 | 20 |
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