... in casting parts,like bucket teeth , cutting edge, end bit for CATERPILLAR, KOMATSU,SUMITOMO,JCB,HITACHI,KOBELCO,JONH DEERE,DAEWOO ... such as T1,T2,T3,T4.Machine type:Excavator, Loader,Bulldozer,etc. Heat treatment:Quenching and tempering treatment Hardness: ... :with excellent elongation and tensile strength, so very suitable for many different hard working conditions. Excavator Parts Processing Machine ...