Application Guide P M K N S H List No. Carbon SteelsLowMed.High10101018103510451065AlloySteelsDie4140Steels4340Stainless SteelsCastIron30040017-4 PHAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-45HRC45-50HRC50-70HRC EXOCARB ® WXL® 3621 3704 3742 3791 3711 3720 3721 3712 3722 3723 3770 3771 3794 4445 EXOCARB ® WXS ® 4410 4510 4440 4540 4471 4571 4470 4570 good best WWW.OSGTOOL.COM Illustrated Index/Application Guide 691