What is Gray iron?
'''Gray iron''' or '''gray cast iron''' is a mixture of [[cast iron]] and [[graphite]]. It is used in cookware and combustion cylinders. The more force the iron can hold, the better the iron is. ==Advantages and Disadvantages== Gray iron is very strong. It is also very good for building [[machines]] and very good for absorbing energy. Gray iron is easy to [[welding|weld]]. However, gray iron cannot handle quick strikes, and breaks easily. [[Category:Iron]]