This document summarizes hot finished hollow sections for construction applications from ISMT Limited. It discusses India's growing infrastructure needs and some landmark projects using these types of tubes from around the world. The document defines ultra high strength seamless hot rolled hollow sections and outlines their applications in architecture, construction, vehicles, offshore installations and more. It highlights advantages like strength, flexibility in design, aesthetics and cost effectiveness. Product information is provided on structural grades, dimensional ranges and a cost comparison showing potential weight and cost savings versus other steel structures.