Active Member
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[China]
Address: No.322 East Zhongshan Road, Shijiazhuang,China
Contact name:Peter
Shijiazhuang Zhongtai Pipe Technology Development Co., Ltd |
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Pipe Mill API Welded Pipe Production Line Machine Tube Machine Construction Pipe Erw Weld Steel Carbon Steel Marketing Metal
Product Introduction
It’s for coil the strip steel into barrel shape and then weld it to pipes. Based on skin effect and proximity effect, focus the current highly on the welding face of the pipe, then the temperature will raise up to welding level, and be welded after squeeze roller. Then after cooling, sizing, rough straightening, it will be finished product at specified size. Baseline horizontal method is applied in this production line, and rollers are double radius pass type. The main part is composed of forming, welding and sizing part.
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.
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 |
Product Structure
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