AECMA PREN 2632-2003 航空航天系列.AL-P7075-T73511对粗晶粒边缘区有控制的挤压棒材和型材 a或直径D小于或等于150 mm P1板
Aerospace Series Aluminium Alloy AL-P7075-T73511 - Extruded Bar and Section a or D Less Than or Equal to 150 mm with Peripheral Coarse Grain Control Edition P1
This draft standard is based on European discussions in which the UK took an active part. Your comments on this
draft are welcome and will assist in the preparation of the consequent British Standard. If no comments are received
to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is particularly
welcome on national, legislative or similar deviations that may be necessary.