EUROLAB laboratory provides testing and compliance services within the scope of EN 573-1 standard. This part of the EN 573 standard specifies a European nomenclature of wrought aluminum and aluminum alloys and the procedure for obtaining this international nomenclature, based on an international nomenclature.
Complies with the Recommendation of 2002 December 15, revised in March 1970, for the International System of Designation for Wrought Aluminum and Wrought Aluminum Alloys issued by the Aluminum Association. Washington DC 20006, USA. This standard applies to forged products and ingots intended for processing.
All international registration requests will be submitted to the Aluminum Association by a signatory to the Settlement Statement. Therefore, the organization requesting an alloy designation will comply with the terms of the Statement of Reconciliation as outlined in Teal Sheets edited by The Aluminum Association.
an international designation consisting of four digits representing the chemical composition and, if necessary, a letter describing a national variation; this designation is attributed by the Aluminum Association through its international registration procedure.
When the minimum aluminum content is specified as 99,00% and above, the assigned designation will be in group lxxx. In group lxxx, the last two of the lap digits in the assignment show the minimum aluminum percentage. These digits are the same as the two digits to the right of the decimal point in the minimum aluminum percentage when expressed to the nearest 0.01%.
The second digit in the alloy definition indicates alloy modifications at impurity limits or alloying elements. The second digit in the designation is zero, it indicates unalloyed aluminum with natural pollution limits; Integers from 1 to 9, assigned sequentially as necessary, indicate special control of one or more individual impurities or alloying elements.
Groups 2xxx to 8xxx The alloy designation in groups 2xxx to 8xxx is determined by the alloying element in the largest average percentage (Mg6Si for 2xxx alloys). If the largest average percentage is common to more than one alloying element, the group selection will be based on the Cu, Mn, Si group order. In alloy groups 2xxx to 2xxx for Mg, Mg8Si, Zn or others, the last two of the four digits in the designation have no special meaning, they only serve to identify the different aluminum alloys in the group.
The second digit in the alloy designation indicates the original alloy and alloy modifications. If the second digit in the designation is zero, it indicates the original alloy: consecutively assigned integers from 1 to 9 indicate alloy modifications.
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