BS EN 1780-3:1997- Aluminium and aluminium alloys. Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 3. Writing rules for chemical composition
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This part of prEN 1780 specifies the writing rules for chemical composition of unalloyed aluminium, aluminium alloys and master alloys. It applies to ingotsfor remelting and to castings. The five-figure numerical and the chemical symbolbased designation systems of materials are specified in prEN 1780-1 and prEN 1780-2, respectively.
BS EN 1780-3:1997- Aluminium and aluminium alloys. Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 3. Writing rules for chemical composition