This standard BS EN 10092-1:2003 Hot rolled spring steel flat bars is classified in these ICS categories:
77.140.25 Spring steels
77.140.60 Steel bars and rods
This Part of this European Standard specifies the nominal dimensions and the tolerances on dimensions and shape of hot rolled steel flat bars for springs with three different types of profiles (A, B, and C). Formulas for calculation the moment of inertia are specified in annex A. This standard is applicable only to spring steel flat bars produced from steel grades specified in EN 10089.