标准摘要
[中文适用范围]： 本文件规定了变形铝和铝合金的化学成分。 [外文原描述]： This document specifies the chemical composition of wrought aluminium and aluminium alloys.
英文名称Wrought aluminium and aluminium alloys — Extruded rods/bars, tubes and profiles — Part 7: Chemical composition