NEN EN 541 : 2007

Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Sheet
3.2 Length of sheet
3.3 Width of sheet
3.4 Strip
3.5 Master coil
3.6 Inspection lot
3.7 Sample
3.8 Specimen
3.9 Test piece
3.10 Test
4 Technical conditions for inspection and delivery
4.1 Orders of tenders
4.2 Requirements
4.3 Test procedure
4.3.1 Sampling
4.3.2 Test methods
4.3.3 Retests
5 Mechanical properties
5.1 Tensile
5.2 Earing
6 Tolerances on dimensions and form
6.1 Thickness
6.2 Length and width
6.2.1 Strip
6.2.2 Sheet
6.3 Straightness of the longitudinal edge (sheet and
      strip
6.4 Squareness of sheet
6.5 Flatness
6.6 Longitudinal curvature (longitudinal bow)
6.6.1 Strip
6.6.2 Sheet
7 Surface finish
7.1 Surface condition
7.2 Lacquering
7.3 Lubricants
7.4 Food and health legislation
7.5 Surface roughness
7.6 Surface appearance
8 Inspection documents
8.1 General
8.2 Documents established on the basis of inspections
      and tests performed by qualified personnel who are
      involved in the manufacturing process and/or belong
      to the quality control department
8.2.1 Certificate of conformity
8.2.2 Specific test reports
8.3 Documents established on the basis of inspections
      and tests performed or supervised by qualified
      personnel organizationally independent from the
      manufacturing department, according to the
      requirements specified on the order and carried
      out on the products for delivery or on the
      relevant inspection lot
9 Labelling
10 Packaging
11 Arbitration
Annexes
A (normative) List of aluminium and aluminium alloys
B (normative) Rules for rounding
C (informative) Temper designations

Defines the technical conditions for inspection and delivery, mechanical properties, dimensional tolerances and other requirements for rolled products made from wrought aluminium and wrought aluminium alloys with thicknesses from 0,150 mm to 0,500 mm for manufacturing rigid cans, closures, lids and tabs.