Published in 2000, this standard replaced the 1985 version (BS 5950-2:1985). It was technically revised to align with developments in steel materials, welding technology, and bolting practices. The full title, “Structural use of steelwork in building — Part 2: Specification for materials, fabrication and erection — Rolled and welded sections,” hints at its broad scope.
That PDF is copyright-protected by the British Standards Institution (BSI). While many legacy copies circulate privately among engineers, redistributing it publicly is illegal. BSI still sells historic standards for archival use. If you need it for legitimate engineering work, you should purchase it from the BSI shop or access it via a university or corporate subscription to British Standards Online. bs 5950 part 2 2000 pdf
In essence, if Part 1 tells you what to build, Part 2 tells you how to build it correctly. Published in 2000, this standard replaced the 1985