For domestic and foreign power plants, mining, cement and other industries of large and medium-sized ball mill liners, with the concept of "meet working condition",our company designed series material. Through a unique double medium quenching process,it can obtain the ideal hardness (HRc48-55),AK value 30-140J and ideal toughness values at the same time which fully meet different requirements of large, medium and small ball mill liners at home and abroad. "Cr liners and high Cr ball" have become the model of electric power, mining and other industries.And use the crusher toothed plate, plate, hammer and excavator bucket teeth, etc.