BS 5950

{{Short description|Withdrawn British Standard for design, fabrication and erection of structure}}

{{More citations needed|date=November 2024}}

BS 5950 is a withdrawn British Standard for the design, fabrication and erection of structural steelwork.{{cite web |title=BS 5950 - Structural use of steelwork in building |url=https://landingpage.bsigroup.com/LandingPage/Series?UPI=BS%205950 |website=landingpage.bsigroup.com |publisher=British Standards Institute |access-date=12 November 2024}} It was written for use in the UK but can be used worldwide. It was superseded by BS EN 1993{{Citation needed|date=November 2024}} and withdrawn on 30 March 2010.{{cite web |title=BS 5950-1:2000 |url=https://knowledge.bsigroup.com/products/structural-use-of-steelwork-in-building-code-of-practice-for-design-rolled-and-welded-sections?version=standard |website=knowledge.bsigroup.com |publisher=British Standards Institute |access-date=12 November 2024}}

It does not apply to bridges, which are covered by BS 5400. BS 5950 replaced BS 449, which used a permissible stress approach, and uses limit state design methods.