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EN 1780-1:2002

Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 1: Numerical designation system EN 1780-1:2002

Publication date:   Oct 21, 2005

General information

90.93 Standard confirmed   Dec 2, 2023

CEN

CEN/TC 132 Aluminium and aluminium alloys

European Norm

77.150.10   Aluminium products

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Scope

This European Standard specifies a five-figure numerical designation system for aluminium alloys and master alloys as specified in the relevant European Standards. It applies to ingots for remelting and to castings for all applications including aerospace.
A designation system for unalloyed aluminium is specified in prEN 576. An alternative numerical designation system is specified in prEN 1780-1. Writing rules for chemical composition are specified in prEN 1780-3.
An alternative chemical symbol based designation system is specified in prEN 1780-2. The writing rules for chemical composition are specified in prEN 1780-3.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 1780-1:1996

NOW

PUBLISHED
EN 1780-1:2002
90.93 Standard confirmed
Dec 2, 2023