BS L 117:1975(2011)
铝-镁-硅-铜-铬合金管规范 —(固溶处理和人工时效:未进行液压测试)(厚度不超过 10 毫米)(Mg 1.0、Si 0.6、Cu 0.28、Cr 0.2)
Specification for Tube of aluminium - magnesium - silicon - copper - chromium alloy — (Solution treated and artificially aged : not tested hydraulically) (Not exceeding 10 mm thickness) (Mg 1.0, Si 0.6, Cu 0.28, Cr 0.2)