DS EN 1780-1:2005
DS EN 1780-1:2005 Aluminium And Aluminium Alloys - Designation Of Alloyed Aluminium Ingots For Remelting, Master Alloys And Castings - Part 1: Numerical Designation System Defines a five-figure numerical designation system for aluminium alloys and master alloys. Pertains to ingots for remelting and to castings for all applications including aerospace.