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ISO 18742:2026

Ship and marine technology — High-manganese austenitic steel — Specification for high-manganese austenitic steel welded fittings for cryogenic temperature

Publication date:   Feb 10, 2026

General information

60.60   Standard published   Feb 10, 2026

ISO

ISO/TC 8/SC 4 Outfitting and deck machinery

International Standard

47.020.05   Materials and components for shipbuilding

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Scope

This document provides requirements for wrought high-manganese austenitic steel welded fittings used for pressure piping at cryogenic temperature.
The specification of high-manganese austenitic steel welded fittings is applicable to all pressure retaining components and any non-pressure retaining components used in hull systems for marine technology and in onshore projects.

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PUBLISHED
ISO 18742:2026
60.60 Standard published
Feb 10, 2026