International Standard
ISO 4991:2024
Steel castings for pressure purposes
Reference number
ISO 4991:2024
Edition 4
2024-11
© ISO 2024
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Published (Edition 4, 2024)

ISO 4991:2024

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Format
CHF 129
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 2024-11
    Stage
    : International Standard published [60.60]
  • Edition
     : 4
    Number of pages
     : 20
  • Technical Committee :
    ISO/TC 17/SC 11
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