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prEN 10307

Non-destructive testing - Ultrasonic testing of austenitic and austenitic-ferritic stainless steels flat products of thickness equal to or greater than 6 mm (reflection method)

Publication date:   Nov 6, 2025

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40.60   Close of voting   Jan 29, 2026

CEN

CEN/TC 459/SC 1 Test methods for steel (other than chemical analysis)

European Norm

77.040.20   Non-destructive testing of metals

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Scope

This document describes a method for the ultrasonic-testing of uncoated flat austenitic and austenitic-ferritic stainless steel product for internal discontinuities.
This document is applicable to flat product in nominal thickness range of 6 mm to 200 mm.
This document also defines four quality classes for the flat product body (classes S1, SA, S2 and S3) and four quality classes (E1, E2, E3, E4) for the edges (see Clause 15).
A list of equivalent terms in several European languages is given in Annex A.

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EN 10307:2001

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prEN 10307
40.60 Close of voting
Jan 29, 2026