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ISO/TS 4949:2016

Steel names based on letter symbols ISO/TS 4949:2016

Publication date:   Oct 27, 2016

General information

90.93 Standard confirmed   Sep 5, 2023

ISO

ISO/TC 17 Steel

Technical Specification

77.080.20   Steels

Buying

Published

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Scope

ISO/TS 4949:2016 specifies rules for the designation of internationally standardized steel grades by means of symbolic letters and numbers to express application and principal characteristics (e.g. mechanical, physical, chemical) so as to provide an abbreviated identification of steel grades.
NOTE 1 In order to avoid ambiguity, the principal symbols established according to this document can be supplemented by additional symbols identifying additional characteristics of the steel or steel product, e.g. suitability for use at high or low temperatures, surface condition, treatment condition, deoxidation.
NOTE 2 These rules can also be applied to nationally or regionally standardized steels.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TS 4949:2003

NOW

PUBLISHED
ISO/TS 4949:2016
90.93 Standard confirmed
Sep 5, 2023