23 Feb What is a Steel Girder?

Do you associate girders with Barr’s Irn-Bru? (The bright orange fizzy tonic) If so, it’s likely it’s because the tagline ‘Made in Scotland from girders‘ used to sell Irn-Bru was such a memorable marketing slogan.

But all joking aside, the real-world use of this common type of steel beam is vitally important as a component in the construction of buildings, bridges, and other structures that require significant support and stability. In this article, we’ll dive into the world of steel girders, exploring their uses, composition, and benefits. And we promise not to mention Scotland’s ‘other national drink’ again!

The Basics of Steel Girders

A steel girder is a type of horizontal steel beam that supports the load of a building or structure. As such, they’re used almost exclusively in the construction industry. That’s because steel girders are able to carry heavy loads over long spans. For this reason they are commonly used in structures that require significant strength and stability.

Structural steel fabricators produce different types of beams depending on their length, width, and weight, with beams usually smaller than girders. In fact, it’s fair to say that all girders are beams, but not all beams are girders!

Understanding the Composition of Steel Girders

Steel girders are typically made of carbon steel, an alloy of iron and carbon known for its strength and durability. The composition of the steel girder determines its strength, weight, and ability to withstand various loads and stresses. To increase the strength and resistance of the steel, other elements like nickel may be added to the alloy.

The Uses of Steel Girders in Construction

Steel girders are commonly used in the construction of bridges, buildings, and other structures that require substantial support. They are ideal for large spans, where traditional beams or joists may not provide adequate support. In buildings, steel girders may be used to support floors and roofs, while in bridges, they are often used as the primary support structure.

Different Types of Steel Girders

The four most common types of steel girders are:

• Box Girders: made of two plates of steel and used in bridges and other longer-span applications.
• Plate Girders: made of a single plate of steel and used to support heavy loads in short-span applications.
  
• Tube Girders: made of steel tubes they provide high levels of strength and stability.
  
• Truss Girders: made of steel trusses and used in large commercial buildings and where very long spans are needed.

Benefits of Steel Girders in Construction

Steel girders are easily fabricated and transported, making them a cost-effective option for large construction projects. As one of the strongest materials used in construction, steel is the ideal material for girders that support heavy loads. They can be prefabricated off-site, reducing construction time and minimising the impact on surrounding areas. 

Steel is highly durable, able to withstand harsh weather conditions, fire, and other environmental factors for many years. Steel girders can be easily modified and adjusted during the construction process, providing a level of flexibility that is not possible with other materials.

FAQs

What Is a Steel Girder Used For?

Steel girders are used to support the load of a building or structure, transferring the load to the columns on which it rests. Often used for constructing bridges.They are used in high-rise buildings, bridges, and other structures that require significant strength and stability.

What Is the Difference Between Girder and Beam?

Beams are horizontal primary structures that are designed elements of a building. Girders are a larger type of beam that carries smaller beams. Generally, a large horizontal beam supports smaller beams; the large beam is the girder.

How Strong Are Steel Girders?

Girders and steel beams can withstand heavy loads as steel is highly durable. They are responsible for the support function of any structure. Girders carry ‘dynamic loads‘ and ‘rolling loads‘.

Choosing Steel Girders For Your Project

Steel is a stronger, more robust and durable material than any of its competitors. If you want your building to stand strong for an extended period of time, the choice is obvious.

For help with steel girders for your project, speak to the experts at Baker Steel Trading. We’re happy to provide you with an accurate quote and support throughout the purchasing and manufacturing process.