Draft International Standard
ISO/DIS 4991
Steel castings for pressure purposes
Reference number
ISO/DIS 4991
ISO/DIS 4991
Edition 4
© ISO 2024
Draft
International Standardu
ISO/DIS 4991
84506
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 4991:2015
Abstract
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.
General information
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Status: Under developmentStage: Close of voting [40.60]
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Edition: 4Number of pages: 21
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Technical Committee :ISO/TC 17/SC 11
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Life cycle
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Previously
PublishedISO 4991:2015
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Now
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