Published at 2022-08-12, published by cyanbat | Keywords: Aluminium alloy 7050

Aluminium alloy 7050

Aluminium alloy 7050 is an aerospace grade of aluminium combining high strength, stress corrosion cracking resistance and toughness.

It is particularly suited for heavy plate applications (3" to 6" thick) due to it's lower quench sensitivity and retention of strength in thicker sections. Aluminium 7050 therefore is the premium choice aerospace aluminium for applications such as fuselage frames, bulkheads and wing skins.

Aluminium alloy 7050 plate is available in two tempers. T7651 (AMS 4201) combines the highest strength with good exfoliation corrosion resistance and average SCC resistance. T7451 (AMS 4050) provides better SCC resistance and excellent exfoliation resistance at slightly lower strength levels. Aircraft Materials can also supply 7050 in round bar with temper T74511 (AMS 4342).

7050 Aluminum is similar to the other popular 7000 series aluminum alloy 7075, however it is less quench sensitive. This allows the alloy to maintain strength properties over time better than other high strength alloys, especially in thick sections. 7050 T7451 also displays better corrosion resistance, exfoliation resistance, and toughness than standard high strength alloys making it very popular in the aerospace industry where it is used for bulkheads, fuselages, and wing skins.

Aluminum 7050 is a heat treatable alloy with very good mechanical properties and high fracture toughness. Aluminum 7050 offers good stress and corrosion cracking resistance as well as high sub-zero strength.

Aluminum alloy 7050 is also known as aerospace aluminum alloy that combines high strength, stress corrosion, crack resistance and toughness. Aluminum 7050 is particularly suitable for heavy plate applications due to its lower quench sensitivity and its strength in thicker sections. Aluminum 7050 is therefore the premium aerospace aluminum for applications such as fuselage frames, bulkheads and wing skins.

The 7050 aluminum alloy plate is available in two hardness grades. T7651 combines highest strength with good spalling corrosion resistance and average SCC resistance. T7451 offers better SCC resistance and excellent chipping resistance at slightly lower strength levels. Aircraft Materials can also supply 7050 in round bar with a hardness of T74511.

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Source: @cyanbat Author: cyanbat

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