This 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;