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ISO 4991:2024

Steel castings for pressure purposes
22 nën 2024

General information

60.60     22 nën 2024

ISO

ISO/TC 17/SC 11

International Standard

77.140.80     77.140.30  

anglisht  

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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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4991:2015

NOW

PUBLISHED
ISO 4991:2024
60.60 Standard published
22 nën 2024