BS 4-1:1993
Structural steel sections. Specification for hot-rolled sections
https://doi.org/10.3403/02211047 (published 15/12/1993)
BS 4-1:1993 is maintained by ISE/103. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS 4-1:2005 [current until 28/02/2017]