What is an advantage of sand casting?

The ability to produce hollow sections is a significant advantage of sand casting. This process employs a sand mold that can be easily shaped and accommodates complex geometries, allowing for the formation of hollow components without substantial difficulty. The flexibility of sand as a mold material makes it particularly well-suited for creating intricate designs, including those with internal voids, unlike some other casting methods that may struggle with such requirements.

In addition to this, sand casting’s setup can be adjusted to make cores, which are inserts that define internal shapes and holes. These cores are made from a similar or different sand mixture and provide added versatility for creating parts with internal passages or cavities. This feature makes sand casting a preferred choice in applications where hollow structures are essential, such as in automotive engine blocks or piping systems.

The other options present valid characteristics of casting processes in general; however, they do not specifically highlight the unique strengths of sand casting regarding the production of hollow sections.