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Uses and Advantages of Square Hollow Section Steel



So, what exactly is Square hollow steel, and why would you want to use it?

Steel tubing with four equal sides, known as Square hollow section steel, is common for structural applications. Square hollow section is the abbreviation for SHS steel. A flat surface makes it easier to connect and weld, with minimum preparation of the edges needed.

What is SHS formed of?

SHS is made by progressively transforming a flat steel plate into a circular shape with ready-to-weld edges. The mother tube is formed by joining the edges of the rectangular tubes. The final square form is achieved via a succession of shaping procedures on the mother tube.

What is SHS for?

There are several areas where SHS may be employed, such as structural, industrial mechanical, and building. Frames, gates, and posts are all built using them. Like RHS, it has a wide range of applications and thicknesses, making it an excellent choice for many projects. They use galvanised SHS or Square Hollow Section steel, which is particularly resistant to cracking.

The advantages of building using SHS and RHS

Because of their tubular construction, SHS steel and RHS steel have a higher strength-to-weight ratio than conventional steel, concrete, or wood materials.

Stronger and lighter buildings may be constructed with less material and greater spans because of the improved strength to weight ratio.

Since fewer resources are being utilised, there is less waste, and even if there is, it may be recycled in full.

There is less influence on the surrounding area when development is completed more quickly.

Thanks to SHS’s lightweight, it is possible to make expansions to existing structures without overburdening their foundation.

A wide variety of construction and mechanical applications benefit from the employment of steel hollow sections in welded frames, columns, and beams.


Aside from square hollow sections (SHS) and rectangular hollow sections (RHS), there are three main types of hollow steel sections (structural steel tubes) to consider. Each hollow section has its own set of benefits and disadvantages, and each serves a specialised purpose.

THE CHS – Circular Hollow Sections: an attractive and strong material

CHS is a type of hollow section that dates back to its inception—applied in a wide variety of mechanical, structural, and building fields.

As a result of its smoothness and absence of sharp edges, CHS is a popular architectural material for a wide range of aesthetic purposes.

RHS — Rectangular Hollow Sections: For Cost-Effectiveness and Stability.

RHS has several uses in the mechanical, structural, and construction industries. For joining and other sorts of manufacturing, the flat surface makes a structural solution more cost-effective.

Since this hollow portion is rectangular, straight cuts are all that are required for attaching it to other flat surfaces. To weld or connect RHS, you only need to prepare the edges minimally.

The elegant lines and structural strength of RHS make it an excellent material for use in architectural aesthetics.

Symmetry, Balance Strength, and Aesthetics: SHS – Square Hollow Section:

SHS structural steel tubes are a preferred alternative to round hollow sections (RHS) and circular hollow sections (CHS) because of their features, appearance, and structural behaviour.

When joining and welding, SHS offers a level surface with little edge preparation and clean and cost-effective joints and welds.

Also, SHS is symmetrical, having equal-sided square hollow pieces rather than circular portions, as is CHS.

SHS strikes the perfect balance between strength, usability, and aesthetics for a wide range of applications requiring all three facets.


I'm Nikos Alepidis, blogger at motivirus. I'm passioned for all things related to motivation & personal development. My goal is to help and inspire people to become better.

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