“Rebar” is the skeleton or bones of concrete & masonry. By definition, CRSI’s Manual of Standard Practice, REINFORCEMENT – Steel bars or wires embedded in concrete and located in such a manner that the bars or wires and the concrete act together in resisting loads. Rebar comes in many different style/coatings & strengths. Styles & Coatings consist of Epoxy, Galvanized & Stainless Steel. Most common strength is Grade 60 (Yield Strength of 60,000 psi) but there are also other types, for example Grade 80 & Grade 100 which have high yield strengths of 80,000 & 100,000 psi, respectively.