Steel Round And Square Pipe Making Machine For Industrial Steel Pipes

The RT76 tube mill is intended for manufacturing of round/square pipe of Φ25mm-Φ90mm with Thickness of 1.5mm–4.0mm from cold-rolled, hot-rolled and galvanized coil strip.

Product Details

RLT Group, one of the well-known manufacturers and suppliers of various quality machines in China, now brings you high-quality steel round and square pipe making machine for industrial steel pipes with CE certification from its professional factory. Welcome to get customized steel round and square pipe making machine for industrial steel pipes at reasonable price with us.

Steel round and square pipe making machine for industrial steel pipes

Features of RT76 Pipe Making Machine

This RT76 Steel pipe making machine is used to produce industrial steel pipes by means of unclosed tubular blank with its subsequent welding into tube, edge heating by means of solid state high-frequency welder, longitudinal seam welding in rolls of tube welding machine, cooling, further sizing or shaping and on-stream cutting of endless tube in measured lengths.

Finished product will be of round, square, rectangular pipe or special pipe LTZ and D shape.

Process Flow of Steel Pipe Mills
{Steel Tape}→→ Double-head un-coiler →→Strip-head Cutter and welder→→Spiral Accumulator→→Forming section Flattening unit +Main driving unit+Forming unit +Guide unit+High frequency induction welding unit +squeeze Roller)+ De-burr frame →→Cooling unit →→Sizing unit and straightened →→Cutting saw→→ Run-out table

Flow Chart.jpg

Technical Parameter for RT76 HF Tube Mills

1.1. INPUT


:Hot & Cold Rolled Steel Strips (Q195.Q235)


:1.5-4.0mm (SQ, REC Pipe: ≤3.0mm)

Slit width 


Coil Weight (Slit Coil)

:Max.3.0 tons

Coil ID 


Coil OD  



Round pipe dia. 

:25 – 90mm

Wall thickness  


Square rectangular pipe   

:20x20 - 70x70mm

Wall thickness 




 To-length accuracy 



Line Direction (optional) 

:From Right to Left or from Left to Right

 (Viewed from operator side; will be double confirmed)

Line Speed  


Power for equipment motor 


Power for HF electric 

:300KW (Solid State)

Machine Configuration
(1)  Double-side Un-coiler (Hydraulic expansion)
(2)  Shear and butt welder
(2)  Horizontal accumulator
(3)  Forming, Welding and Sizing mill
      A) Feeding & Leveling device
      B) Forming machine
      C) Guiding, extruding, Welding & scraping device
      D) One set of cooling water tank
      E) Sizing mill
      F) Main Driving System
(4)  Computer-controlled flying Cutting Saw (Circular Saw Cutting)
(5)  Finished Pipe Passing Conveyor (Run out table)
(6)  HF Electric
(7)  Pneumatic System
(8)  Electrical System with PLC Control and DC Drive Control System

Photos for Reference

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Shipment for Tube Making Machine

tube mills for industrial steel pipes