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The martensitic stainless steels provide higher strength and hardness compared to both the ferritic and austenitic grades, at the expense of reduced corrosion resistance.
The following tables contain a list of the materials available. For more complete coverage of properties, reference MPIF Standard 35, ASTM B783, ISO 5755, DIN 30910-4, and JIS Z2550, and download the technical information bulletins of interest. Standard powder metal materials are defined in North America by MPIF Standard 35 and ASTM B783, essentially equivalent standards. German PM steels are listed in DIN 30910-4, or more recently, ISO 5755. Japan steels are listed in JIS Z2550, with grade names changing with the revision from 1989 to 2000.
|410 / 420
|A small carbon addition (0.2%) to 410L provides a higher strength, higher hardness martensitic structure.
||High temperature liquid phase sintered to near full density to provide a distribution of large carbides in a martensitic matrix for applications requiring high wear resistance, such as grinder plates for food processing equipment.