What is the classification of the hardness level?
1,The hardness of carbon tool steel is about HRC62;2, the hardness of diamond in HV10000;3, the hardness of silicon carbide in HV4500.
1, the hardness of cemented carbide tools generally between HRA89.5~92.8;2, the hardness of high speed steel is generally between HRC62~65;3, super hard high speed steel hardness between HRC69~70;
Hard alloy tool hardness is generally between HRA89.5~92.8, the hardness of HSS is generally between HRC62~65, super hard high speed steel hardness is between HRC69~70, the hardness of carbon tool steel in general about HRC62, the hardness of diamond in the HV10000, the hardness of silicon carbide in HV4500, titanium carbide coating hardness HV3800, corundum hardness in the HV2400, tungsten carbide hard alloy hardness in 1300.
