ISO 4991:2015 covers steel castings for pressure containing parts.It includes materials which are used for the manufacture of components subject to pressure vessel codes and components not subject to codes.This International Standard relates to castings manufactured from unalloyed and alloyed steel grades (characterized by their chemical composition, Table 1, and mechanical properties, Tables 2, 3, 4 and 5).NOTE Annex D gives information on ISO grade designation and available UNS numbers which are similar to the ISO grade designation.
Document identifier
ISO 4991:2015
Title
Steel castings for pressure purposes
ISO Category
TC 17/SC 11: Steel castings
Publication date
2015-12-15
International Relationship
BS ISO 4991:2015
History of version
ISO 4991:2015 * ISO 4991:2005 * ISO 4991:1994
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