| 
                          
                            | Marca | Igual a ISO
 | Densidad (g/cm2)
 | Resistencia a la flexión (N/mm2)
 | Mohs (HRA)
 | USE |  
                            | YG8A | K20 | 14.7 | 1900 | 89.5 | High strength,impact and shock resistancehigher than   MK6A,but wearresistance and cutting speed comparatively lower,Roughing of cast   irons,non-ferrors metals and their alloys as well as non metallic materials at   low cutting speed. |  
                            | YG10X | K40 | 14.5 | 2000 | 91 | Fine grain alloy,good wear resistance.uesd for processing   hard wood,veneer board,PCB,PVC and metals. |  
                            | YG15 | K40 | 14.0 | 2300 | 86.5 | Conventional wear resistance,high bending strength,used for   steel alloy etc. |  |