Historical
BS EN 10305-5:2003
Steel tubes for precision applications - Technical delivery conditions. Welded and cold sized square and rectangular tubes (British Standard)
This part of EN 10305 specifies the technical delivery conditions for welded and sized steel tubes of square and rectangular cross section for precision applications. Tubes according to this part of EN 10305 are characterized by having precisely defined tolerances on dimension and a specified surface roughnesss. Typical fields of application are in the vehicle, furniture and general engineering industries.
British Standards Institution [bsi]