BS EN 755-9:2016规定了铝和铝的尺寸和形状公差 合金挤压型材，其横截面包含在一个不大于 800毫米。本部分中使用的回火名称符合EN 515。本欧洲标准仅适用于一般工程应用的挤压型材。交叉引用:EN 515购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS EN 755-9:2016 specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded profile with a cross section contained within a circumscribing circle not greater than 800 mm.The temper designations used in this part are according to EN 515.This European Standard applies to extruded profiles for general engineering applications only.Cross References:EN 515All current amendments available at time of purchase are included with the purchase of this document.