Automotive users use automotive panels first to form stamping and stamping the steel into the shape and size required for the part. Sheet metal forming is a very complicated process, and it has a relationship with the mechanical properties of the steel plate, the contact friction between the steel plate and the mold, the parameters of the mold, the press and so on. The first concern is the basic mechanical properties of the steel plate, mainly yield strength, tensile strength, elongation, r value, n value.

In general, high elongation, high r values and high n values facilitate stamping.