Alloy steel casting is a steel casting process that is alloyed with various elements, in totals ranging from 1.0% to 50%, to enhance its mechanical properties. Alloy steels are divided into two groups: low alloy steels and high alloy steels. Most commonly, the alloy steels used in investment casting are low alloy steels.Strictly speaking, every steel is an alloy, but not all steels are called...