Characteristics and application of 7020 aluminium bar suppliers:
7020 aluminum alloy, American deformed aluminum and aluminum alloy. 7020 aluminum alloy belongs to the medium and high strength Al-Zn-Mg alloy, which has high strength, good welding performance and process performance. It is the main welding structure material for aerospace vehicles and ground vehicles and equipment. It is widely used in the manufacture of high-speed trains. Car body. 7020 aluminum alloy has good comprehensive properties after heat treatment. The strength of 7020 aluminum alloy is greater than 6082, but its forming ability is correspondingly worse.
7020 aluminium bar suppliers standard comparison:
American Aluminum Association (AA) 7020, ISOR209AlZn4.5Mg1
●Chemical composition:
Aluminum Al (minimum): margin
Silicon Si: ≤0.35
Iron Fe: ≤0.40
Copper Cu: ≤0.20
Manganese Mn: 0.05~0.50
Magnesium Mg: 1.0~1.4
Chromium Cr: 0.10~0.35
Zinc Zn: 4.0~5.0
Zirconium Zr: 0.08~0.20
Zirconium+Titanium Zr+Ti: 0.08~0.25
Titanium Ti:-
Other elements not specified: each type: ≤0.05; total: ≤0.15
