This architectural drawing is Sail reinforcement details in AutoCAD 2D drawing, CAD file, dwg file. To put it simply, it is a type of HYSD steel in which the steel bars are cold twisted and deformed after undergoing the necessary heat treatment process. Sail steel was heavily utilized in the building industry during the 1990s, especially for reinforcement needs. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.