This standard BS 4360:1990 Specification for weldable structural steels is classified in these ICS categories:
77.140.01 Iron and steel products in general
Requirements for steels for general structural and engineering purposes in the form of hot-rolled plates, strip, wide flats, flats and bars and for structural steel sections complying with Parts 2, 4 and 5 of BS 4848 and BS 4:Part 1.