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BS EN 754-8-2008
Aluminium und Aluminiumlegierungen. Gezogene Stangen und Rohre. Mit Kammerwerkzeug Stranggepresste Rohre,Grenzabma?e und Formtoleranzen Aluminium and aluminium alloys. Cold drawn rod/bar and tube. Part 8:Porthole tubes,tolerances on dimensions and form Aluminium et alliages d'aluminium. Barres et tubes étirés. Tubes filés. pont,tolérances sur dimensions et forme
适用范围：This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy cold drawnporthole tubes with an outside diameter (OD) from 3 mm to 350 mm (round tube, see Figure 1) or with a crosssection contained within a circumscribing circle (CD) from 8 mm to 300 mm (other than round tube, see Figure2), supplied in straight lengths.This document only applies to cold drawn tube for general engineering applications made in the followingalloys: EN AW-1050A, EN AW-1200; EN AW-3003, EN AW-3103; EN AW-5005, EN AW-5005A, EN AW-5049, EN AW-5251, EN AW-5052; EN AW-6012, EN AW-6060, EN AW-6061, EN AW-6262, EN AW-6262A; EN AW-6063, EN AW-6063A, EN AW-6065, EN AW-6082; EN AW-7020.The temper designations used in this part are according to EN 515.This document only applies to tube produced by the porthole/bridge method of extrusion only (and then colddrawn to the final dimensions).This document does not apply to: cold drawn tubes produced by the seamless, die/mandrel method (EN 754-7), tubes delivered in coils (EN 13958), coiled tubes cut to length (EN 13958).Figure 1 — Round tubeFigure 2 — Circumscribing circle for other than round tube
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