Because carbon atoms fill in some of the iron atoms in the latticework, making it more rigid.
Steel is stronger
steel
because steel was stronger than iron
Stainless steel is stronger and retards rust unlike iron
Steel, is an alloy of different metals. Mostly iron, though.
By strength, if you mean durability, then i'd think it was steel iron corrodes pretty easily
Steel is stronger and more flexible than iron.
Steel is refined iron. It's usually stronger (=better) than steel for most uses.
it is lighter and stronger
steel
Yes
Steel is an alloy if iron, consisting mainly of iron. Steel is both stronger and lighter than iron so is more efficient to use in buildings and other structures.