preamble_5252
Council Directive 96/49/EC of 23 July 1996 on the approximation of the laws of the Member States with regard to the transport of dangerous goods by rail · European Union
6.7.2.3.3. For metals exhibiting a clearly defined yield point or characterized by a guaranteed proof strength (0,2 % proof strength, generally, or 1 % proof strength for austenitic steels) the primary membrane stress σ (sigma) in the shell shall not exceed 0,75 Re or 0,50 Rm, whichever is lower, at the test pressure, where:
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Source: EUR-Lex (Cellar) · retrieved 2026-10-31 · Text as adopted (Official Journal); later amendments are not incorporated in this text.