BWT-457-BNT
Automated Manufacturing System for Ultra-Large Diameter Stainless Steel and Alloy Welded Pipes
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Application Areas
Titanium and Titanium Alloy Welded Pipes
Structural and Construction Tubes
Oil & Chemical Process Piping
Sanitary-Grade Fluid Pipes
Water & Gas Pipes
Nuclear Power, Aerospace & Marine Tubing
Intelligent Welding Control System
An integrated digital welding control system enabling precise parameter management, real-time process monitoring, and stable, automated welding performance across industrial production lines
Production Process
01
Decoiler
02
Two-Roll Straightening & Feeding
03
Five-Roll Leveling Machine
04
Hydraulic Shearing
05
Butt Welding Station
06
Strip Guiding
07
Tube Forming
08
Welding
09
Online Internal Welding
10
Weld Defect Inspection
11
Three-Roll Seam Flattening
12
Weld Seam Grinding
13
Primary Sizing
14
Online Heat Treatment
15
Final Sizing
16
Straightening
17
Cut-to-Length
18
Tube Discharge
Specifications
| Model | BWT-457-BNT |
| Machine Grade | Industrial Heavy-Duty Type |
| Operating Mode | 24-hour Continuous Operation |
| Pipe Types | Round, Square & Special-Shaped Tubes |
| Applicable Materials | Austenitic Stainless Steel, Duplex Stainless Steel, Ferritic Stainless Steel, Titanium & Titanium Alloys |
| Welding Process | Plasma + TIG Welding with Electromagnetic Control |
| Heat Treatment | Black Annealing |
| Weld Seam Flattening | Three-Roll Seam Flattening |
| Main Drive Motor | Variable Frequency Motor |
| Drive Motor Power | 55 kw x 2 |
| Transmission Gearbox | Worm Gearbox |
| Horizontal Shaft Diameter | Ø140 mm |
| Vertical Shaft Diameter | Ø100 mm |
| Upper Roll Adjustment | Synchronous Vertical Adjustment |
| Production Speed Range | 0.2 – 1 m/min |
| Tube OD Range | Ø325 - 457.0 mm |
| Tube Length | 3–6 m / 3–12 m |
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Confidential & Professional: All inquiries are handled with complete confidentiality. Our engineering team guarantees a detailed response within 24 hours.