BS L 168-1978 铝-铜(4.4)-镁(0.5)-硅(0.7)-锰(0.8)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或较小的截面尺寸)
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)
British Standard Aerospace Series : Specification for
Bars and extruded sections of aluminium - copper-magnesium - silicon - manganese alloy
1. Inspection and testing procedure
2. Quality of material
3. Chemical composition
4. Condition
5. Heat treatment
6. Mechanical properties
7. Identification