BS L 170-1989 铝-锌-铜-铬合金挤压棒材和型材用规范(溶解处理,受控拉伸和人工时效)(直径或较小截面尺寸规格小于150 mm)(Zn 5.6,Mg 2.5,Cu 1.6,Cr 0.23) (7075)
Specification for extruded bars and sections of aluminium-zinc-copper-chromium alloy (solution treated, controlled stretched and artificially aged) (not exceeding 150 mm diameter or minor sectional dimension) (Zn 5.6, Mg 2.5, Cu 1.6, Cr 0.23) (7075)
Chemical composition, heat treatment, mechanical properties and inspection and test procedures for bars supplied in the solution treated, controlled stretched and artificially aged condition, for use in that condition.