... ,WA,SA2.Grit size 46#,3.Hardness(1):Q4.Structure number(2): 45.Bonding agent:resin6.Reinforced net:two fiberglass netsBrown ... abrasive,Sintering temperature and sintering temperature etc.(2)The structure number should be larger in order to improve the cutting efficiency ... for cutting all kind of metal and steel,for example ferrous metal,nonferrous metal,mild steel,alloy steel,stainless steel,cast ...