BS EN 12020-1:2001 pdf free

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BS EN 12020-1:2001 pdf free.Aluminium and aluminium alloys一Extruded precision profiles in alloys EN AW-6060 and EN AW-6063.Technical conditions for inspection and delivery.
BS EN 12020-1 This part of EN 12020 specifies technical conditions for inspection and dlivery of alloys EN AW-6060 and EN AW-6063 extruded precision profiles 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 standard are distinguished from extruded profiles for general applications covered in EN 755-9 by the following characteristics: -they are mainly for architectural applications; -they meet more stringent requirements regarding the surface condition of visible surfaces; -the maximum diameter of the circumscribing circle CD is 300 mm; they are made to closer tolerances on dimensions and form. In the case of profiles which, due to the complexity of their design, are difficult to manufacture and specify, special agreements between purchaser and manufacturer may need to be reached. NOTE 1 The thermal barrier material is not covered by this standard. NOTE 2 Some of the products listed in the present standard can be subject to patent or patent applications, and their listing herein does not in any way imply the granting of a license under such patent right. CEN/TC 132 affirms it is its policy that in the case when a patentee refuses to grant licenses on standardized standards products under reasonable and not discriminatory conditions then this product shall be removed from the corTesponding standard.This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments).On the basis of the order documentation submitted, the manufacturer shall prepare drawings which are to be checked by the purchaser for accuracy and approved, the profiles then being manufactured in strict accordance with the approved drawing. If for dimensions critical to function tolerances other than those specified in this standard are to be used, they shall be entered in the drawing adjacent to the associated nominal size. This also applies to the tolerances on form.BS EN 12020-1 pdf download.

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