In the steel industry, the term “HSS” stands for hollow structural sections. … Most HSS are of circular or rectangular sections. However, other shapes are available, such as elliptical.

What is a HSS steel shape?

A hollow structural section (HSS) is a type of metal profile with a hollow cross section. The term is used predominantly in the United States, or other countries which follow US construction or engineering terminology. … Rectangular and square HSS are also commonly called tube steel or box section.

What does TS mean in steel?

Steel tubing, or tube steel, is what we used to use in the U.S. to describe a closed steel section — whether of rectangular, square or round shape.