HG273 High Frequency Straight Seam Welded Pipe Line

The HG273 High Frequency Welded Tube Mill Line line is designed to produce welded pipes of 114mm-273mm in OD and 3mm-10mm in wall thickness.

The HG273 High Frequency Straight Seam Welded Pipe Line is the main equipment in the high frequency welded pipe production line. It can be divided into different types according to the diameter and the wall thickness of the pipe. The mill can produce circular pipe, square and rectangular pipe and special pipe using low carbon steel & alloy steel.

The specific process flow is: 

Steel strips are first fed into the machine then are shaped into pipe blanks by rollers.
Then, under skin and proximity effects of high frequency electric current, induced electricity is concentrated onto the bonding surface of the pipe profile fringe.

The heated up pipe profile fringe is quickly moved to the welding temperature and finished welding under the squeeze roller's pressure.

After cooling, sizing and broad straightening,  the steel pipe of needed specification is achieved.

Our products such as roll forming unit, FFX forming unit, cage forming unit can produce X80 and J55 API petroleum casing pipes and petroleum and gas pipes, which conform to the standard of API-5L, API-5CT.

This unit can also produce special pipes for air cooling condenser used by electric power plants or steel mills.

Parameters:
Diameter: 114-273mm and correspondent size square and rectangular pipe
Wall thickness 3-10mm

Steel strip material: Mild steel & low alloy steel, X≤70, etc.
Welding speed: 15-35m/min 
Main motor power: 450Kw 
High frequency equipments: 800kw

Equipment composition: 

The HG273 High Frequency Straight Seam Welded Pipe Line consist of an Uncoiling Machine, Unbender Unit, Active Flattening Machine, Shear and Butt welder, Storing Loop, Forming and Sizing Unit, Computer Flying Saw, End Milling Machine, Hydrostatic Testing Machine, Charge Table, Inspected Equipment, Sack and Bale Machine, High Frequency DC, Product Line Electric Appliance.

Specifications:

Note: The line is non-standard products and can be produced according to user requirements, parameters sheet for reference only.