标准摘要
[中文适用范围]： 本标准规定了横截面外接圆不大于800mm的锻铝和铝合金挤压型材的尺寸和形状公差。 它仅适用于一般工程应用的挤压型材。 [外文原描述]： This document specifies the tolerances on dimensions and shape of wrought aluminium and aluminium alloy extruded profiles with a cross-section contained within a circumscribing circle not greater than 800 mm. It is applicable to extruded profiles for general engineering applications only.
英文名称Wrought aluminium and aluminium alloys — Extruded rods/bars, tubes and profiles — Part 4: Tolerances on form and dimensions for profiles