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ISO/TS 4949:2016
Steel names based on letter symbols
General information
Buying
Published
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WITHDRAWN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
90.20
Standard under periodical review
Apr 15, 2023
Preview
Аn opinion on draft and published standards at national, European and international level can be given at stage 40.20 Public Enquiry, 90.20 Systematic review and 95.20 Proposal for withdrawal for pure national standards.
The members of technical committees with active participation have the obligation to vote on drafts at stage 30.20 Committee voting and 50.20 Formal Vote as well.
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