Application Guide P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCastIron30040017-4 PHAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-50HRCHRC50-70HRC ≤2D 5700 5705 6300 5172 ≤3D 6600 5720 6500 5200 5600 5950Ni 5330 HP243 HP253 1900 1150 1000 1100 ≤4D 6310 good best WWW.OSGTOOL.COM Illustrated Index/Application Guide 53