Vertical support. It is usually the H-shaped section, cut and welded with steel plates, which use to support the entire building.
The primary structural member in the roof that bears the loading from purlins and roof cladding, which is generally H-shaped steel
Crane beams and working platform beams, and floor beams in multi-story buildings, it is usually H-section.
A construction used to resist longitudinal forces, which usually use welded Pipe, and connected between roof frame.
The durable horizontal parts on wall and roof, in C section or Z section, which use to fixed the wall and roof claddding
A tie bar provided between two adjacent steel frames for transmitting longitudinal horizontal forces