Application Guide P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCastIron30040017-4 PHAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-50HRCHRC50-70HRC EXOCARB ® AERO 2050 2052 3815 3820 3915 3920 3825 3830 2015 2100 2106 2104 2102 2108 2110 2080 2081 2863 2963 2873 2973 2874 2974 good best WWW.OSGTOOL.COM Illustrated Index/Application Guide 697