VIDEOClick to see full answer. Similarly, does concrete have metal?Concrete is a mixture of sand, cement, gravel(crushed rock) and water. It contains no metals. It does contain metallic minerals. Reinforced concrete usually is reinforced with steel.Likewise, is concrete stronger than metal? The compressive strength of concrete is (potentially) much higher than steel. So that wall will be much stronger than a similar mass of steel. As for structural steel, an airplane, and your comparison: There are a lot of holes in steel structures. Correspondingly, what is the difference between steel and concrete? Steel and concrete are completely different. Steel is ductile material whereas concrete is brittle material. Steel has high tensile strength and concrete has high compressive strength. Concrete structures are more durable than steel structures.Is concrete or steel more expensive?Steel is much more expensive than concrete per tonne, but if steel is used to reinforce concrete it is usually less than 1 percent by cross sectional area compared with the concrete. Even in concrete columns the steel is usually less than 4 percent.