Z-Purlin is a hot rolled galvanized mechanical member which is made up of best grade carbon steel alloyed with a number of alloying elements. It is widely used in structural and architectural engineering applications to make heavy duty building structures. This horizontal beam like element which is mainly used to build roofs and walls. It is available in various different sizes as per the requirement and their application areas. It has a high tensile, compressive and shear strength which ensures longer service life.