sentence: Most steels have much more carbon.
sentences_before: Wrought iron' is a type of iron. It has a very little carbon in it.
sentences_after: It also has some slag in it. This gives it a fibrous look similar to how wood looks. It is tough, malleable, ductile, and can be welded easily. It was most common in the old days when cast iron was the only other type of iron. Now mild steel is used instead.
concept_name: steel
headings: Wrought iron
categories: Iron