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Aluminum 7075 -T73 AMS 4174 Forged Rings

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7075 aluminium alloy (AA7075) is an aluminium alloy with zinc as the primary alloying element. It has excellent mechanical properties and exhibits good ductility, high strength, toughness, and good resistance to fatigue. It is more susceptible to embrittlement than many other aluminium alloys because of microsegregation, but has significantly better corrosion resistance than the alloys from the 2000 series. It is one of the most commonly used aluminium alloys for highly stressed structural applications and has been extensively used in aircraft structural parts.

7075 aluminium alloy's composition roughly includes 5.6–6.1% zinc, 2.1–2.5% magnesium, 1.2–1.6% copper, and less than a half 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.

7000 series alloys such as 7075 are often used in transport applications due to their high specific strength, including marine, automotive and aviation.These same properties lead to its use in rock climbing equipment, bicycle components, inline-skating-frames and hang glider airframes are commonly made from 7075 aluminium alloy.

7075 was used in the Space Shuttle SRB nozzles, and the external tank SRB beam in the Inter-tank section.

Typlical Applications:

Aircraft fittings

Gears and shafts

Missile parts

Regulating valve parts

Worm gears

Aerospace/defense applications

Automotive

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