ISO/TC 79/SC 9 - Symbolization

ISO 2107:2007 establishes temper designations as required for identification for all product forms of wrought aluminium and aluminium alloys.

ISO 2107:2004 establishes temper designations as required for identification for all product forms of wrought aluminium and aluminium alloys.

The temper designations define the sequence of basic treatments used to produce the tempers. Mechanical properties apply to individual alloy-temper-product combinataions. The temper designation consists of letters and follows the designation of the alloy, and is separated therefrom by a dash.

The designations of metals and alloys shall be based on the chemical composition limits given in International Standards. International chemical symbols shall be used for the designation of the principal metal and the major alloying elements followed by numbers indicating the metal grade or the nominal alloy content.