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In the construction industry, steel is one of the most popular materials. It is durable, strong, long lasting, and comes in all different shapes and sizes.

Various structural steel types are used in different scenarios. Most ‘steel shapes’ are beams with different cross section profiles. These can be attached to other beams with bolts, or by welding them, to form steel structures.

Structural Steel

Universal Beam- UB:

These beams are also known as I beams or H beams. These beams look like the letters of their names, an ‘I’ when they’re stood up, or an ‘H’ when they’re on their side. They are most commonly used in construction and civil engineering.

Universal Columns- UC:

Like Universal Beams, Universal Columns are commonly used for structural purposes. They can bear a lot of weight which is why they are often used for columns.

Flat Sections:

Flat Sections are very versatile and are used to connect to other sections to strengthen them. They can also be referred to as plates.

Angled Sections:

Sometimes also referred to as ‘L’ shaped, Angled Sections can be equal or unequal. Both axis are formed together to make a right angle, but if ‘unequal’, one would be longer than the other, creating the ‘L’ shape. Unequal sections have much better load bearing capabilities than equal angles. Angled sections are strong and durable and are often used for residential construction, infrastructure, mining, and transport.

Steel Hollow Sections:

There are three main categories when it comes to Steel Hollow Sections; RHS (Rectangle Hollow Sections), SHS (Square Hollow Sections), and CHS (Circular Hollow Sections). Each have their own main uses.


Channels come in a range of widths and depths. They are also known as C-Beams. Channels are made from hot rolled mild steel and are often used where the flat back side of the beam can be mounted to another flat surface.

Buy different types of structural steel on Buy a Beam

These are some of the most popular and widely used types of structural steels. If you would like to purchase any you can find these, and more, on our section of Buy a Beam. There you can specify the products to match exactly what you need, then get it ordered straight to you.

Find out more about Buy a Beam here.