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United Aluminum - ALLOY 2024


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Alloy Group: 2XXX

PRINCIPAL ALLOYING ELEMENT: Copper

Group: Heat Treatable Alloys

 

GENERAL DESCRIPTION: ALLOY 2024

2024 is heat-treatable aluminum alloy with copper as the primary alloying element. It is used in applications requiring high strength to weight ratio, as well as good fatigue resistance. Due to its high strength and fatigue resistance, 2024 is widely used in aircraft structures.

TYPICAL CHEMISTRY LIMITS:

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Others-Each

Others Total

Al

2024

0.50

0.50

3.8-4.9

0.30-0.9

1.2-1.8

0.10

0.25

0.15

0.05

0.15

Remainder

Composition according to Aluminum Association.

TYPICAL MECHANICAL DATA:

The following typical properties are not guaranteed since in most cases they are average for various sizes and methods of manufacture and may not be exactly representative of any particular product or size. The data is intended for comparing alloys and tempers and should not be used for design purposes.

Source: Aluminum Standards & Data and United Aluminum data base

Alloy-Temper

Tensile Strength

(ksi)

Yield Strength

(ksi)

Elongation

(%)

2024-O

17

11

18

2024-T3

70

50

16

2024-T4

68

47

20

United Aluminum can supply 2024 in the annealed temper for maximum formability. The formed parts can be subsequently heat treated to higher strength.

Although this data has been designed by United Aluminum or taken from sources United Aluminum believes to be reliable, this data needs to be thoroughly evaluated and tested by technically skilled personnel before any use is made thereof. United Aluminum assumes no responsibility or liability for any use of this data, or with respect to the infringement of any patent, and no warranties are give or implied by United Aluminum. This information is not to be copied used in evidence, released for publication or passed to a third party without written permission from United Aluminum.

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