API Steel Pipe Welding ERW Oil Tube Production Line ( HG 219)
API Steel Pipe Welding ERW Oil Tube Production Line ( HG 219)
Uncoiling→Strip Straightening→ shear & welding table→ Horizontal spiral Accumulating→ flaw detection → Forming→ HF welding→ Deburring (outside and inside) →polishing → online seam detection → MF annealing→ air cooling →water cooling→Sizing→ Pipe Straightening→ Fly Cutting→ roll table→ end milling →hydrostatic test→ go through → check → measure → painting mark → packing
Horizontal roll frame & Vertical roll frame:
Forming stage: 8 sets horizontal roll frame, 2 of them are rotating type.
7sets vertical roll frame, 5 of them are rotating type.
Sizing stage: 4sets universal roll frame, 4sets vertical roll frames.
straightening stage: 2sets 4rolls turks head
Sepcification of HG219 Pipe Production Line:
| Raw materials | |
| low carbon steel, low alloy steel, HR or CR. Tensile strength: σb≤600Mpa Yield point: σs≤315MPa 2.0-8.0 x 800mm, ID508mm OD1800mm, 12T |
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| Finished Pipes | |
|
Round pipe size: Φ89~Φ219mm * 2mm ~ 8mm 60×80mm~240 × 160mm * 2.5mm~7.0mm |
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| Machine Parameters | |
|
Decoiler, hydraulic expansion, air brake, 12T load Coil head opener and straightener: 30KW Hot friction flying saw, 150KW, hydraulic rotation cutting Hydrostatic testing: 5-20s per piece, |
ERW Pipe Machines Specification:
| Model | Pipe size | HF welder (KW) | Motor power(KW) | Speed (m/min) |
| Фmm x mm | ||||
| HG16 | Ф(7-20) x (0.2-0.5) | 60 | 22 | 80-140 |
| HG25 | Ф(8-32)x(0.35-1.3) | 100 | 45 | 70-130 |
| HG32 | Ф(15-50) x (0.6-2.0) | 150 | 110 | 60-120 |
| HG50 | Ф(20-63)x(0.8-2.5) | 200 | 160 | 50-100 |
| HG63 | Ф(20-76)x(0.8-3.0) | 250 | 200 | 30-90 |
| HG76 | Ф(25-80) x (1.2-4.0) | 300 | 110x2 | 30-80 |
| HG89 | Ф(32-102)x(1.5-4.5) | 300 | 132 x 2 | 30-80 |
| HG114 | Ф(38-127) x (1.5-4.5) | 300 | 160 x 2 | 30-70 |
| HG125 | Ф(50-165)x(2.0-5.0) | 400 | 185x2 | 20-60 |
| HG165 | Ф(76-165)x(2.0-6.0) | 600 | 200x2 | 15-50 |
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