Bohler-Uddeholm UDDEHOLM STAVAX® ESR Modified 420

Premium grade stainless tool steelStavax® ESR is characterized by: Good corrosion resistance Good polishability Good wear resistance Good machinability Good stability in hardeningApplications: Uddeholm Stavax ESR is recommended for all types of moulding tools and its special proper­ ties make it particularly suitable for moulds with the following demands:Corrosion/staining resistance, i.e. for moulding of corrosive materials, e.g. PVC, acetates, and for moulds subjected to humid working/storage conditions.Wear resistance, i.e. for moulding abrasive/ filled materials, including injection-moulded thermosetting grades. Uddeholm Stavax ESR is recommended for moulds with long production runs, e.g. disposable cutlery and containers.High surface finish, i.e. for the production of optical parts, such as camera and sun­ glasses lenses, and for medical containers, e.g. syringes, analysis phials.