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It supersedes BS EN which is withdrawn. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September , and conflicting national standards shall be withdrawn at the latest by September Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
This document supersedes EN Technical conditions for inspection and delivery, including product and testing requirements, are specified in EN Temper designations are defined in EN The chemical composition limits for these materials are given in EN For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. Table 1 to Table 61 contain limits of mechanical property values obtained by tensile testing according to EN ISO after sampling and test piece preparation according to EN NOTE The mechanical properties refer to test pieces taken in the longitudinal direction.
Mechanical properties of test pieces taken in other directions can differ from those for the longitudinal direction quoted in this standard. Brinell hardness values given in Table 1 to Table 61 expressed as HBW values are for information only.
For certain products the supplier may choose if not otherwise specified in the order documents to use the elongation based on A50mm. Consequently, values for the A50mmare included in the following tables. The A50mmvalue is the elongation measured over a gauge length of 50 mm and expressed in percent.
Test pieces and their location in the specimen are given in EN Hardness Typical value HBW min.
03h 18m 30s
BS EN 755-2