Crucible 431 is a nickel bearing chromium steel which can be treated to exceptionally high physical properties. In the heat treated conditions, its corrosion resistance is superior to similar martensitic types. This grade is ferro-magnetic when annealed or heat treated. Because it is characteristically a two phase alloy, the normal structure contains ferrite and martensite. However depending upon application, the chemistry can be balanced to provide an essentially ferrite-free structure and higher mechanical properties. Information provided by Crucible Specialty Metals. |