
Wrought aluminium and aluminium alloys for general engineering purposes (supplementary series). 7020 Bar, extruded round tube and sections
出版:British Standards Institution

專家解讀視頻
Chemical composition, conditions and mechanical properties for bar, extruded tube and sections. Tolerances on dimensions, mechanical tests and other general requirements.
? British Standards Institution 2013
Replaced by notes:
Replaced by BS EN 515:1993, Parts 3 & 4 of BS EN 573, and Parts 1-9 of BS EN 755.
Amendment notes:
AMD 3392 published 30 June 1980