Die casting is often used for auto parts made from lightweight magnesium or aluminum, which are suitable for the die casting process. Die cast auto parts can have high dimensional accuracy, as well as multiple finishing techniques to suit the end product. Read more on die casting in the automotive industry in our blog post. In contrast, custom sheet metal fabrication is more suited for producing thicker and more durable automotive parts using techniques and materials including hot rolled steel and cold-rolled steel. Both sheet metal fabrication and die casting are suitable for producing different automotive parts depending on the needs of the customer, and both techniques work best when used in tandem to achieve different goals.