Straight seam welded pipe rolling mill
please see follow
Item | Unit | Specification | ||||||
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OD of coil | mm | 800-1600 | 900-1800 | 900-1800 | 1200-1800 | 1500-2000 | 1200-1800 | 1800 |
ID of coil | mm | 650 | 650 | 650 | 650 762 | 610 762 | 610 762 | 610 762 |
Width of coil | mm | 50-160 | 60-250 | 100-360 | 250-530 | 230-695 | 400-900 | 600-1700 |
Thickness of plating | mm | 1.8-4 | 1-5 | 2.9-5.4 | 3-5.4 | 2.1-9.5 | 3.6-10 | 3.6-12.7 |
Max weight | t | 2 | 2 | 5 | 6 | 12 | 15 | 20 |
OD of steel tube(finished) | mm | 17-48 | 21-76 | 48-114 | 76-165 | 114-219 | 140-273 | 219-508 |
Wall thickness | mm | 1.8-4 | 1-5 | 2.5-5.4 | 3-5.4 | 2.1-9.5 | 3.6-10 | 3.6-12.7 |
Length | m | 5-7 | 5-7 | 5-7 | 5-7 | 6-12 | 6-12 | 12.5 |
Welding speed | m/min | 30-80 | 30-60 | 30-60 | 20-60 | 15-60 | 10-35 | 8-30 |
Type of loop |
| Cage ,Spiral | Cage ,Spiral | Cage ,Spiral | Cage ,Spiral | Cage ,Spiral | Cage ,Spiral | Cage ,Spiral |
Flying saw control |
| Digital control, Pneumaic | Digital control, Pneumaic | Digital control, Pneumaic | Digital control, Pneumaic | Digital control, Pneumaic | Digital control, Pneumaic | Digital control, Pneumaic |
HF output power | kw | 200 | 300 | 400 | 800 | 450 | 800 | 600 |
Power of forming machine | kw | 55 | 55 | 90 | 110 | 242 | 242 | 60×5 |
Power of sizing machine | kw | 55 | 55 | 90 | 110 | 200 | 200 | 148×3 |
Output | t/year | 10000-15000 | 20000-25000 | 25000-30000 | 30000-50000 | 50000-80000 | 50000-100000 | 200000 |
The mill consists of main machine and the pipe guiding and run out conveyor, the equipment on line of the main machine: feeding, decoiling, and levelling, shearing and welding, looping, forming, welding, burr removing, cooling, detecting, sizing, sawing, hydraulic pump system and electrical control equipment. The pipe guiding and run out conveyor and subsidiaries: straightening, end flattening, hydrostatic testing, bundling, weighting and various attached tables.
