Specification for bars and extruded sections of aluminium-copper-magnesium-silicon-manganese alloy (solution treated and artificially aged) (not exceeding 200 mm diameter or minor sectional dimension) (Cu 4.4, Mg 0.5, Si 0.7, Mn 0.8)
铝铜镁硅锰合金棒材和挤压型材规范(固溶处理和人工时效)(直径不超过200mm或较小截面尺寸)(Cu 4.4 Mg 0.5 Si 0.7 Mn 0.8)