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)
铝镁硅铜铬合金管规范(溶液处理和人工老化:未进行液压试验)(厚度不超过10mm)(Mg 1.0 Si 0.6 Cu 0.28 Cr 0.2)