Sheet metal forming, the most cost-effective procedure for manufacturing is essential in the industry. Numerous metal products found in our daily lives are made by forming from small parts like soda cans to automobile bodies and construction parts. It is of importance to evaluate the formability of the material to be formed in desire shapes without failure. This formability has been in an important position in the industry, and research has been carried out for a long time. In particular, in the situation where several new materials such as high entropy alloys are emerging today, formability will pave the path for the commercialization of various developing materials.