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7075 aluminium alloy
Aluminium alloy 7075 is an aluminium alloy, with zinc as the primary alloying element. It is strong, with a strength comparable to many steels, and has good fatigue strength and average machinability, but has less resistance to corrosion than many other Al alloys. Its relatively high cost limits its use to applications where cheaper alloys are not suitable.
7075 aluminum alloy's composition roughly includes 5.6–6.1% zinc, 2.1–2.5% magnesium, 1.2–1.6% copper, and less than half a percent of silicon, iron, manganese, titanium, chromium, and other metals. It is produced in many tempers, some of which are 7075-0, 7075-T6, 7075-T651.
==Basic properties==
Aluminium 7075A has a density of 2.810 g/cm³〔(Material Properties Data: 7075-T6 Aluminum )〕 (0.1015 lb/in³).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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