... annealed low carbon steel, stainless steel, copper alloy, hard alloy, malleable iron. Is to apply a broader ... steel, pearlitic malleable iron.Diamond indenterD100CCast iron, aluminum, magnesium alloy, bearing alloys.1/8 steel ballE100BAnnealed brass, copper, ... —TDiamond indenter45N45N—TMild steel, stainless steel, copper alloy, aluminum alloy thin strips, thin-walled tubes, small parts, ...