The so-called hardness refers to the ability of a material to resist being pressed into its surface by harder objects. According to different testing methods and applicable ranges, hardness units can be divided into many types such as Brinell hardness, Vickers hardness, Rockwell hardness, micro Vickers hardness, etc. Different units have different testing methods and are suitable for materials or occasions with different characteristics. The hardness test of the product shown in the picture is HRC65.1.
