Category: Structural Steel Works

Bars are of round or square cross-sections. Square sections of size 5–32 mm are commonly used. Round bars of diameter 6–32 mm are available. Both are available in lengths of 10–12 mm. Square bars are used for railings and of grill work and round bars are used in reinforced concrete and brick works.

In order to use in construction works, steel should be available in certain forms which are known as steel sections in commercial forms or market forms. Some of the common sections or forms are given below.

Steel is used in large extent in different forms in buildings. The materials generally used for structural purposes are cast iron, wrought iron and steel. As cast iron can withstand only compression, it is used limitedly. Wrought iron could resist tensile stresses. But mild steel can withstand both. Hence, it has replaced cast iron and…