Merchant bar is a range of commodity carbon steel long products including round, square and hexagonal bars, angles, channels and flats. Maximum diameter or width is usually 80-100mm, although flats up to 150mm wide are included. These are a staple item for many steel stockholders, large or small.
Merchant bar is widely used in the manufacture and fabrication of a broad range of engineered products..
Reinforcing bar (or Rebar) is formed from a steel billet, normally having surface deformations for use in reinforcing concrete. The bar can be produced in straight lengths as well as coiled.
Rebar is used in the construction industry to reinforce concrete.