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BS EN 12020-2:2022:2023 Edition

BS EN 12020-2:2022:2023 Edition

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Aluminium and aluminium alloys. Extruded precision profiles in alloys EN AW-6060 and EN AW-6063 – Tolerances on dimensions and form

Published By Publication Date Number of Pages
BSI 2023 22
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This document specifies tolerances on dimensions and form of extruded precision profiles in alloys EN AW-6060 and EN AW-6063, manufactured with and without a thermal barrier (see Figures 1 and 2). It applies to extruded products supplied without further surface treatment. Precision profiles covered in this document are distinguished from extruded profiles for general applications covered in EN 755-9 by the following characteristics: – they are designed with mostly uniform wall-thicknesses; – they are mainly used for mechanical engineering, architectural and automotive (except crash-elements) applications; – their maximum weight per metre is 10 kg/m; – their maximum wall thickness ratio (tmax/tmin) is 3,5. In the case of profiles which, due to the complexity of their design, are difficult to manufacture and specify, then special agreements between supplier and purchaser may need to be reached. NOTE The effect of the thermal barrier material on the dimensional tolerances is covered by this document although the actual thermal barrier material itself is not (see EN 14024).

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
7 3 Terms and definitions
4 Tolerances on dimensions
4.1 General
4.2 Cross-sectional dimensions
4.2.1 General
8 4.2.2 Tolerances on dimensions other than wall thickness
9 4.2.3 Tolerances on wall thickness of solid and hollow profiles
4.3 Length
10 4.4 Squareness of cut ends
4.5 Length offset for profiles with a thermal barrier
5 Tolerances on form
5.1 Parallelism
11 5.2 Straightness
12 5.3 Convexity-Concavity
14 5.4 Contour
15 5.5 Twist
17 5.6 Angularity
18 5.7 Corner and fillet radii

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BS EN 12020-2:2022
$102.76