A shape is classed a “Bar Size Shape” when its greatest dimension (length excluded) is less than 3 inches. It is a “Structural Shape” when at least one of its dimensions (length excluded) is 3 inches or greater.
APPLICATIONS For use riveted, bolted, or welded construction of bridges and buildings, and for general structural purposes.
WELDABILITY These shapes are easily welded by all the welding processes, and the resultant welds and joints are extremely high quality. The grade of welding rod to be used depends on thickness of section, design, service requirements, etc.