This European Standard specifies the general rules for the drafting and presentation of metallic material standards for aerospace applications. It is supported by additional rules specific to: - Aluminium, aluminium alloys and magnesium alloys EN 4500-2; - Heat resisting alloys EN 4500-003; - Titanium and titanium alloys EN 4500-004; - Steels EN 4500-005; - Filler metals for welding EN 4500-2 to EN 4500-005; - Filler metals for brazing EN 4500-6.