EN 2633:1993 航空航天系列.AL-P2024-T3511铝合金1.2mm≤a或D≤150mm的周围有粗粒控制的挤压棒材和型材
Aerospace Series- Aluminium Alloy AL-P2024 -T3511 Extruded Bars and Sections 1,2 mm is Less Than or Equal to a or D is Less Than or Equal to 150 mm with Peripheral Coarse Grain Control