AECMA PREN 3550-1988 航空航天系列.铝合金(2024)溶液处理,拉伸和人工老化(T8511)挤压棒材和板材(a或 直径D)小于或等于150 mm
Aerospace Series Aluminium Alloy (2024) Solution Treated, Stretched and Artificially Aged (T8511) Extruded Bars and Sections (a or D) Less Than or Equal to 150 mm Issue P 1
This «Aerospace Series,> pre-standard has been drawn up under the responsibility of AECMA
(Association Européenne des Constructeurs de Matériel Aérospatial). It is published on green paper
for the needs of AECMA-Members. It has been technically approvedby the experts of the concerned
AECMA Commission following comment by the Member countries.