Channel steel is widely used in construction projects. In building structures, it can be used as purlins on roofs, providing support for roof panels. It is also used in the construction of steel - framed buildings as part of the structural framework, helping to bear vertical and horizontal loads. In bridge construction, channel steel can be used for bridge decking support, Rækværksstrukturer og nogle hjælpekomponenter . Derudover bruges det ofte i industrielle planter til at fremstille udstyrsfundamenter, arbejdsbænk og rørledningstøtter .