... They can be used under conditions of higher stress, high temperature (600-1100) oxidization atmosphere, combustion and corrosion. According ... GH42, GH3044, GH3218, GH170, GH163 etc. Directional blade material is mainly casting alloys; the typical alloys are K32, K14 ... hardening deforming alloys and casting alloys. The typical working blade material is GH4033, GH2302, GH143, GH4049, GH151, GH118, GH220 ...