7021 Aluminum Block

May 15, 2023

Introduction of 7021 Aluminum Block
7021 Aluminum Block, deformed in the United States, standard compared to the Alcoa Association (AA) 7. It can withstand pressure processing, and its mechanical properties are higher than the as-cast state

Chemical composition of 7021 Aluminum Block
Al (minimum): margin
Si: ≤0.25
Fe: ≤0.40
Cu: ≤0.25
Mn: ≤0.10
Mg: 1.2~1.8
Cr: ≤0.05
Zn: 5.0~6.0
Zr: 0.08~0.18
Ti: ≤0.10
Other elements not specified: each type: ≤0.05; total: ≤0.15

Application of 7021 Aluminum Block
7021 Aluminum Block is mainly used to manufacture aviation equipment, daily necessities, etc.