Stamping material hardness testing, its main purpose is to determine whether the degree of anneal metal plate purchased for subsequent stamping will be, different kinds of stamping technology, requires a different level of the plate. Hot-rolled steel plate is usually thick, steel in the General provisions of the standard hardness testing with Brinell hardness tester. Rockwell hardness testing of hot-rolled steel sheet is also possible, HRB rulers can be used. Portable Rockwell hardness tester for testing of hot rolled steel, hardness testers, Rockwell hardness tester, Brinell hardness tester, Brinell hardness tester, Leeb hardness tester you can test in the absence of sampling conditions, operation is very simple. Variety of cold-rolled steel sheet used for stamping using Rockwell hardness testers to detect the hardness, usually with HRB rods, hardened HRC ruler. Sheet material can use Merriam-Webster hardness testers, you can also use the surface Rockwell hardness tester HRN and HRT ruler. Brass plate used for stamping of HRB scale of hardness Rockwell hardness tester can be used for testing. A soft brass and copper plate by HRF ruler.