This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded porthole tubes with an outside diameter (OD) from 8 mm to 450 mm (round tube, see Figure 1) or with a cross section contained within a circumscribing circle (CD) from 10 mm to 350 mm (other than round tube, see Figure 2), supplied in straight lengths.This standard only applies to extruded porthole tube for general engineering applications made in the following alloys:- EN AW-1050A, EN AW-1200, EN AW-1350;- EN AW-3003, EN AW-3103;- EN AW-5005, EN AW-5005A, EN AW-5049, EN AW-5051A, EN AW-5251, EN AW-5052;- EN AW-6101A, EN AW-6101B, EN AW-6005, EN AW-6005A,
DS/EN 755-8:2008 history
2008DS/EN 755-8:2008 Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 8: Porthole tubes, tolerances on dimensions and form