Iron is the main ingredient in various forms of iron and steel, but the various types of metals contain other elements as well. Sometimes these elements are unwanted; other times they're ...

However, it can be effectively flame or induction-hardened in the normalized or hot-rolled condition to achieve surface hardnesses ranging from Rc 54 to Rc 60, depending on factors such as section ...

The alloy is harder and stronger than the pure metal. Steel contains atoms of other elements as well as iron. These atoms have different sizes to iron atoms, so they distort the layers of atoms in ...

Steel rails are the load bearing and guiding elements in a railway or tramway track. Individual fragments are bolted or welded together forming a continuous line that supports railcar wheels. The ...