These bars can be made out of a few different materials each of which contain different properties & thus are used for different purposes. Carbon Steels are usually used for Structural Shapes, Pipes, Plates & Tubing. High Strength Low Alloy steels are used for the same as Carbon but also W Shapes. Corrosion Resistant High Strength is only used for Structural Shapes & plates whereas Quenched & Tempered Alloy Steels are used for Structural Plates, Plates & Boilers & Pressure Valves.
Angle Steel Bars are a kind of structural...
