ISO-4951-2 High yield strength steel bars and sections -- Part 2: Delivery conditions for normalized, normalized rolled and as-rolled steels


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This part of ISO 4951 specifies the requirements for hot-rolled bars and sections of diameter or thickness ≤ 150 mm in high yield strength steels in the normalized, normalized rolled or as-rolled delivery conditions in the grades and qualities given in Table 1 and Table 2 for use in bolted, riveted or welded structures1).

1) Compared with mild steels, these steels may require special precautions for welding. See the guide Welding and weldability of C-Mn micro-alloy steels, published by subcommission IX-G of the International Institute of Welding (document IIS/IIW 843-84).




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77.140.60 (Steel bars and rods)

77.140.70 (Steel profiles Including sections)

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Document Number

ISO 4951-2:2001

Revision Level




Publication Date

Feb. 15, 2001

Committee Number

ISO TC 17/SC 3