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Aluminum Alloys Technical Information

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Basics of... Aluminum Alloys

Alloys

Alloy Type

Desc.

2011

Most widely used alloy for all types of screw machine parts and compares favorably withfree cutting brass. This is the most suitable alloy for machining automatic screwfeeds. Mechanical properties and hardness are excellent, corrosion resistance good.

2024

Excellent for making fasteners, fittings, wheels and parts. This high strength alloy is heattreatable, and has fair formability and workability. May be spot welded.

3003

A general purpose alloy with moderate strength and good workability. This non heattreatable alloy is easy to weld and has a high degree of corrosion resistance.

5052

Excellent salt water corrosion resistance and higher strength than alloy 3003. This nonheat treatable alloy has excellent finishing characteristics. Excellent weldability andworkability. Good for chemical and marine applications.

6061

Extremely versatile alloy. Has good formability and high corrosion resistance. This heattreatable alloy is excellent for making parts, fittings, chemical equipment, marineequipment and scaffolding.

6063

This heat treatable alloy has superior corrosion resistance and is good for outdoorapplications such as awning supports, architectural trim and window frames.

7075

Among the highest strength alloys available, used extensively in highly stressed partsand air frame structures with fair corrosion resistant properties.

Aluminum alloys are developed by combining pure aluminum with othermetals such as iron, copper, magnesium, silicon, manganese and zinc.This mix creates alloys which are stronger than pure aluminum whileremaining lightweight and malleable. Aluminum alloys are electricallyand thermally conductive as well as corrosion resistant.


Properties

 

UltimateTensile

Ultimate Shearing

Brinell Hardness

Melting

Alloy Type

Strength (ksi)

Strength (ksi)

200 kg load/10mm ball

Range ¡F

2011

55

32

95

1005 - 1190

2024

26

18

47

935 - 1180

3003

16

11

28

1190 - 1210

5052

28

18

47

1125 - 1205

6061

18

12

30

1080 - 1205

6063

13

10

25

1140 - 1210

7075

83

48

150

890 - 1175

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