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Norm

ISO 4991:2015

Issue date: 2015 12 14

Steel castings for pressure purposes

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...
Withdrawn: 2024 11 22

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.

ISO 4991:2024
2024 11 22
Steel castings for pressure purposes
Norm
ISO 4991:2015
2015 12 14
Steel castings for pressure purposes
Norm
ISO 4991:2005
2005 10 28
Steel castings for pressure purposes
Norm
ISO 4991:1994
1994 10 20
Steel castings for pressure purposes
Norm
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Norm
ISO 4991:2024
Issue date : 2024 11 22
Steel castings for pressure purposes