This European Standard, a part of the BS EN 755 series, specifies the mechanical property limits applicable to aluminium and aluminium alloy extruded rod/bar, tube and profile.
Temper designations are defined in BS EN 515. The numerical designation system of alloys is specified in BS EN 573-1. The chemical symbol based designation system is specified in BS EN 573-2. The chemical composition limits for these materials are given in BS EN 573-3. Mechanical property limits are specified for all Class `A' alloys as defined in BS EN 573-4.