ISO/NP 7271-3

Aluminium and aluminium alloys — Foil and thin strip — Part 3: Dimensional tolerances ISO/NP 7271-3

Scope

This International Standard specifies dimensional tolerances for aluminium and aluminium alloy foil and thin strip for general purposes.
It is applicable to the following types of product, shipped in rolls:
 double-rolled foil, of aluminium or aluminium alloys , with one side matt and the other side bright, and of thicknesses in the range 0,006 mm (6 µm) to 0,050 mm (50 µm) inclusive;

 single-rolled foil and thin strip, of aluminium or aluminium alloys shown in Annex A or similar, with both sides the same, and of thicknesses in the range 0,021 mm (21 µm) to 0,200 mm (200 µm).

NOTE According to the conventions in use in different countries, the limit of the thickness range can be different.
The most commonly used general engineering alloys for foil are specified in Annex A in ISO 7271-1.