ISO 4991:2024

International Standard   Current Edition · Approved on 22 November 2024

Steel castings for pressure purposes

ISO 4991:2024 Files

English 20 Pages
Current Edition
165.43 USD

ISO 4991:2024 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.

Best Sellers

GSO 150-2:2013
 
Gulf Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
YSMO GSO 150-2:2020
GSO 150-2:2013 
Yemeni Technical Regulation
Expiration dates for food products - Part 2 : Voluntary expiration dates
YSMO GSO 2055-1:2020
GSO 2055-1:2015 
Yemeni Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
 
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements

Recently Published

ISO/IEC TR 21221:2025
 
International Standard
Information technology — Artificial intelligence — Beneficial AI systems
ISO 7730:2025
 
International Standard
Ergonomics of the thermal environment — Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria
ISO 8000-220:2025
 
International Standard
Data quality — Part 220: Sensor data: Quality measurement
ISO 22412:2025
 
International Standard
Particle size analysis — Dynamic light scattering (DLS)