... ApplicationsST203012.6195091.5Rough turning,milling,planning and deep-drilling of carbon steel,cast steel,manganese steel ans alloy steel.ST203512 ... resistance, suit for rough turning and semi-finishing of carbon sttel and alloy steel(including forged steel parts,stamped ... .9188092.8High wear resistance & wear resistance. Semi-finishing of chilled cast irons, nonferrous metals & alloys;semi-finishing ...