ISO 4991:2015

Steel castings for pressure purposes

Publication date: 14 dhj 2015

General information

Current stage: 90.92 Effective date: 12 jan 2022

Originator: ISO

Owner: ISO/TC 17/SC 11

Type: International Standard

ICS: 77.140.80 77.140.30

Gjuha: anglisht

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Statusi: Publikuar

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 4991:2005

NOW

PUBLISHED
ISO 4991:2015
90.92 Standard to be revised
12 jan 2022

REVISED BY

IN_DEVELOPMENT
ISO/DIS 4991

National adoptions

SSH ISO 4991:2015

DPS

Derdhje çeliku për përdorime në presion

60.60 Standard published

DPS/KT 133 më tepër

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