This European Standard specifies requirements for flat products for pressure equipment made of weldable fine grain steels as specified in Table 1. NOTE 1 Fine grain steels are understood as steels with a ferritic grain size of 6 or finer when tested in accordance with EN ISO 643. The requirements and definitions of EN 10028-1:2007 + A1:2009 also apply. NOTE 2 Once this European Standard is published in the EU Official Journal (OJEU) under Directive 97/23/EC@ presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 97/23/EC is limited to technical data of materials in this European Standard (Part 1 and this Part 3 of the series) and does not presume adequacy of the material to a specific item of equipment. Consequently@ the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of Directive 97/23/EC are satisfied@ needs to be done.
EN 10028-3-2009由CEN - European Committee for Standardization 发布于 2009-06-01,并于 2017-10-06 实施。
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