This British Standard relates primarily to the use in building of hot rolled steel sections and plates, and normalized tubular shapes. It has been prepared in accordance with the change to the metric system in the construction industry, giving values in terms of SI units.

This standard stipulates limits of stress and gives rules for design with the twofold purpose of ensuring normal safety and economy in the use of structural stell. While the stresses and other requirements are to be regarded as limiting values, the purpose in design should be to reach these limits in as many parts of the structure as possible and to adopt a layout such that maximum structural efficiency is attained for a minimum use of steel.

The use in building of cold formed sections in light gauge plate, sheet and strip steel of 6 mm thick and less, is dealt with in Addendum number 1 to this standard.

The provisions of this standard are not deemed to apply to transmission towers and farm buildings; nor to structures which are designed on an experimental basis.

Standard Number	BS 449-2:1969
Title	Specification for the use of structural steel in building. Metric units
Abstract	Deals with the use in building of hot rolled sections, plates and normalized tubular shapes, the steel of which complies with the requirements of BS 4360.
Status	Superseded, Withdrawn
Publication Date	31 October 1969
Withdrawn Date	30 March 2010
Cross References	BS 4:Part 1, BS 499, BS 592, BS 3100, BS 639, BS 1719, BS 1881, BS 2573:Part 1, BS 3100, BS 3692, BS 2853, BS 4190, BS 4320, BS 4360, BS 4395, BS 4449, BS 4482, BS 4483, BS 4604, BS 4620, BS 4870, BS 4871, BS 4872, BS 4933, BS 5135, BS 6399, PD 4064, CP 3:Chapter IV, CP 3:Chapter V, Addendum No. 1 to BS 449:Part 2, PD 3343
Replaced By	BS EN 1993-1-1:2005, BS EN 1993-1-5:2006, BS EN 1993-1-10:2005, BS EN 1993-5:2007, BS EN 1993-6:2007, BS EN 1993-1-8:2005
Amended By	AMD 416 AMD 523 AMD 661 AMD 1135 AMD 1787 AMD 4576 AMD 5698 AMD 6255 AMD 8859
Supersedes Draft	87/12550 DC
Descriptors	Structural steels, Buildings, Construction materials, Steels, Framed structures, Construction systems, Structural design, Metal sections, Sheet materials, Tubular shape, Loading, Stress analysis, Mechanical testing, Welding, Thickness, Riveting, Bolting, Erecting (construction operation), SI system (metric)
ICS	91.080.10 (Metal structures)
Title in French	Utilisation de l'acier de construction dans les batiments. Specification. Unites metriques
Title in German	Verwendung von Baustahl im Bauwesen. Spezifikation. Metrische Einheiten
Committee	CB/203
ISBN	0 580 05523 X
Format	A4
Delivery	NO
Pages	116
Price	£ 294.00

*To ask about withdrawn titles contact the BSI Knowledge Centre knowledgecentre@bsigroup.com, +44 (0)20 8996 7004

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