Below are the Reasons why steel is used in RCC structure not some other Metals, Non-metals or Alloys
- It is cheap and Easily available
- It possesses very high Tensile strength & elasticity
- It develops good bond with concrete
- Coefficient of expansion(12.6 X 10^-6) of steel is nearly equal to the same of concrete (14 X 10^-6) which means concrete and steel expand and shrink with almost same volume change when exposed to heat or cold.