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RT16,25,32,45 Carbon Steel Tube Mill


    RT16, RT25, RT32, RT45 high precision Carbon Steel Tube Mill, forming, welding and sizing parts share the same base, with better accuracy.

    RT16,25,32,45 Carbon Steel Tube Mill is a series of machines that builds longitudinal weld seam pipe with steel strips of certain width. It starts by uncoil and flatten the slit steel coils into steel strips. The flattened steel strips will be inserted into the forming machine and the rollers in the machine will bend the strip to a round pipe shape. The round pipe will then be sent into the weld box where the tube is welded by a high frequency or solid state welder. The welded pipe will be formed to expected shape (round/ square/ rectangle etc) or size in a sizing machine. Finally the pipe will be cut to length and bundled.


1. Water pipe 2. Heating pipe
3. Low-pressure process pipeline 4. Low pressure fire fighting pipeline
5. Sewage Pipes 6. Steel Scaffolding Pipe
7. Wire and cable protection pipe 8. Structural support Steel Pipe
9. Industrial Steel Pipes 10. Decoration Pipe
11. Oil & Gas Pipes

Process Flow:

Slit Coil ---- Un-Coiler ---- Shearing And Butt Welder ---- Storage / Accumulator ---- Forming ---- Welding ---- Cooling ---- Sizing ---- Cutting Saw ---- Run Out Table ---- Finishing ---- Pipe Collecting and Packaging

Technical Parameter:

Model RT16 RT25 RT32 RT45
Diameter of Welded Tubes (mm) 8-25 8-32 8-32 13-50.8
Size of Square Tube (Max.) (mm) 20×20 25×25 25×25 40x40
Size of Rectangle Tube (Max.) (mm) 12.7×25.4 20×30 20×40 30x50
Wall Thickness of Round Tube (mm) 0.3-1.0 0.4-1.3 0.5-1.8 0.6-2.3
Wall Thickness of Square & Rectangle Tube (mm) 0.3-0.8 0.4-1.0 0.5-1.4 0.6-1.7
Speed of Tube Welding (m/min) 30-110 30-110 30-110 30-110
Power of Major Motor (kW) 37 45 90 110
High Frequency Power (kW) 100 100 150 150
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