ISO 4991:2024
International Standard
Current Edition
·
Approved on
22 November 2024
Steel castings for pressure purposes
ISO 4991:2024 Files
English
20 Pages
Current Edition
57.37 OMR
ISO 4991:2024 Scope
This document 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 document relates to castings manufactured from unalloyed and alloyed steel grades (characterized by their chemical composition given in Table 1, and mechanical properties in 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.
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