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Category: Low Temperature (Cryogenic) Properties

  1. Selection of stainless steels for cryogenic applications

    Ferritic, martensitic and duplex stainless steels tend to become brittle as the temperature is reduced, in a similar way to other ferritic/martensitic steels. The austenitics stainless steels such as 304, (1.4301), and 316, (1.4401), are however ‘tough’ at cryogenic temperatures and can be classed a ‘cryogenic steels’. The toughness of the austenitics relies on their fcc atomic structure. Ferrite or martensite phases in austenitic weld metal or castings can affect the suitability for cryogenic applications. Charpy impact tests are done to assess the toughness of materials.

  2. Stainless Steel Grades Datasheets

    Summary of links to websites for download of stainless steel grade datasheets

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