Steel profiles

Steel profiles are steel components which have the same cross-section over their entire length. Steel profiles are usually produced by rolling, drawing or pressing and are used as construction steel or for the production of rails, ladders or struts.
When using steel profiles, it is crucial to tune the decisive material or component parameters to the application. It should be ensured that the static moment, the moment of resistance and the moment of inertia of the surface correspond to the load requirements of the respective application.

What is a steel profile?

Steel profiles are produced according to the application in many different variants. These differ primarily from their geometric contour, which also determines the name or designation of the profile. The geometrical shapes of the profile are defined in an associated standard. In addition, numerous cross-sectional values for the static strength and deformation calculation are also specified in the standard. These include, inter alia, the following characteristics:

Although the shapes of different types of steel profile differ considerably from one another, the designation of the individual components of the steel system is always the same. The upper and lower part, which lies transversely in the system, is usually referred to as a flange, and alternatively, in the case of profile steel, the belt is often also referred to as a flange. On the other hand, the middle part perpendicular to these components is referred to as a web.

Variants and shapes of steel profiles

Depending on the intended purpose of use, many different types of steel profiles are offered. Widely used is the classification of profile steel in concrete steel and reinforced concrete steel:

Concrete steel: In the reinforcement of structures made of reinforced concrete or in the manufacture of mats for reinforced concrete structures, smooth, profiled and ribbed round rod steels are usually used, which are also referred to as concrete steel.

Tension concrete steel: In applications with higher requirements for the strength of the steel used, tension concrete steel is used. These are also smooth, ribbed or profiled round rod steels, which can be loaded significantly higher.

In addition to this classification, steel profiles are also named according to their geometric shape and divided into different variants. These include, for example,:

Applications of steel profiles

The mechanical properties of profile steel can be precisely matched to the requirements of the intended application during the production process. This results in numerous applications for profile steels, especially in the construction industry, for example as concrete steel or prestressed concrete steel in bridge, high or low construction. In addition, profile steel is also used to produce railings, ladders, struts or similar steel components.

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