Primary members are the main load carrying and supporting members of a pre engineered building. Main Frame members include columns, rafters, canopy and supporting members. Shape and size of these members vary based on the usage and application. Frames are erected by bolting the base plates of connecting sections together.
High grade steel plate conforming to ASTM A572M Grade 345 Type 1 carrying minimum Yield Strength of 34.5kN/cm2. It is factory Pained with a Minimum of 40 microns (DFT) of red oxide primer.
Built up sections are made from HR Plates with continuous process of welding with Sub merged Arc