BS ISO 4991:2015
Current
The latest, up-to-date edition.
Steel castings for pressure purposes
Hardcopy , PDF
English
01-31-2016
This International Standard 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, Table1, and mechanical properties, Tables2, 3, 4 and 5). NOTE AnnexD gives information on ISO grade designation and available UNS numbers which are similar to the ISO grade designation.
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