Aluminium Alloy

Aluminum alloy is widely used in engineering structures.Alloy systems are classified by digital system classification (ANSI) or names representing major component alloys (DIN and ISO). Aluminum alloy can be divided into deformed aluminum alloy and cast aluminum alloy.The deformed aluminum alloy symbol is represented in four digits, which contains the proportion of the alloy composition.The four digits after the dash represent the type of heat treatment, for example, "6061-T6".Aluminum alloy for casting from 4 to 5 numbers with decimal points.Hundred bits represent alloy elements, and decimal points are used to identify castings or aluminum ingots.

than wrought alloys. The most important cast aluminium alloy system is Al-Si, where the high levels of silicon (4.0–13%) contribute to give good casting characteristics. Aluminium alloys are widely used in engineering structures and components where light weight or corrosion resistance is required.

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• Strength of aluminum

Aluminum alloy haves varying strength ranging from high, high to medium and medium strength as follows.

High mechanical strength

Alloy 2011, Alloy 2024, and Alloy 7075

Medium to high strength

Alloy 5052, and Alloy 6061

Medium strength

Alloy 6063

Not for high strength uses

Alloy 1100

Not applicable for high-strength use

alloy 1100

Alloy	Al contents	Alloying elements	Uses and refs
3003	98.6	Mn 1.5; Cu 0.12	Universal, sheet, rigid foil containers, signs, decorative
3004	97.8	Mn 1.2; Mg 1	Universal, beverage cans^[24]
3005	98.5	Mn 1.0; Mg 0.5	Work-hardened
3102	99.8	Mn 0.2	Work-hardened^[25]
3103&3303	98.8	Mn 1.2	Work-hardened
3105	97.8	Mn 0.55; Mg 0.5	Sheet
3203	98.8	Mn 1.2	Sheet, high strength foil