Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles - Seamless tubes, tolerances on dimensions and form
Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles - Seamless tubes, tolerances on dimensions and form
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What is BS EN 755-7 - Seamless tubes about?
BS EN 755 is a series of European standards on aluminium and aluminium alloys that discusses the best procedures and specifications required for manufacturing high-quality extruded seamless tubes. BS EN 755-7 is the seventh part of a series of documents on aluminium and aluminium alloys. BS EN 755-7 specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded seamless tubes with an outside diameter (OD) from 8 mm to 450 mm (round tube or with a cross-section contained within a circumscribing circle (CD) from 10 mm to 350 mm (other than a round tube, supplied in straight lengths. BS EN 755-7 only applies to tubes produced by the seamless die/mandrel method of extrusion. BS EN 755-7 applies to extruded seamless tubes for general engineering applications only. The temper designations used in this part are according to EN 515 . BS EN 755-7 does not apply to:
Extruded tubes produced by porthole/bridge method ( EN 755-8 ) Tubes delivered in coils ( EN 13957 ) Coiled tubes cut to length ( EN 13957 )
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