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2124 aluminum material property data sheet - product availability and request a quote

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Aluminum 2124


Availability

Aluminum 2124 is stocked by 6 North American distributors and produced by 7 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required

This material is stocked primarily in Flat Rolled Products by 6 distributors.

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For mill (large volume) production click here

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Specifications

The following specifications cover Aluminum 2124

  • AMS 4221
  • ASTM B209
  • QQ A-250/29
  • QQ A250/9
  • UNS A92124

Property Results

Chemistry Data : [top]

Aluminum

Balance

Chromium

0.1 max

Copper

3.8 - 4.9

Iron

0.3 max

Magnesium

1.2 - 1.8

Manganese

0.3 - 0.9

Remainder Each

0.05 max

Remainder Total

0.15 max

Silicon

0.2 max

Titanium

0.15 max

Titanium + Zinc

0.2 max

Zinc

0.25 max


Principal Design Features This alloy is usually supplied in plate form . It responds to heat treatment to develop very good toughness and strength. properties.

Applications Commonly used in the manufacture of aircraft structures.

Machinability The alloy is machinable by conventional means. Optimum machinability is with the alloy in the T 851 ( precipitation heat treated ) condition.

Forming Formability of this alloy, which is supplied in plate form, is limited. Severe cold working should be avoided and as with Machinability the optimum condition for forming is the T 851 temper.

Welding The alloy has a problem with crack sensitivity during welding. Resistance welding may be successfully used with proper weld procedure. Gas welding and arc welding should be avoided.

Heat Treatment The alloy may be solution annealed at 920 F followed by water quench. Precipitation hardening is done at 375 F for 12 hours and air cooling - this produces the T 851 temper.

Forging No specific data. However the alloy is forgeable.

Hot Working No data. It may be advisable to avoid hot working because of the alloy tendency to cracking from heat input.

Cold Working Cold working may be done, but the extent of cold working is limited as compared to other aluminum alloys.

Annealing Annealing is done at 775 F for 2 to 3 hours followed by cooling at 50 F per hour to 500 F. Then air cool.

Aging Aging, or precipitation hardening in fact, is done at 375 F for a time of approximately 12 hours followed by air cooling.

Tempering Not applicable to this alloy.

Hardening Hardening, or strengthening, is accomplished by means of precipitation hardening at 375 F for 12 hours followed by air cooling.

Other Physical Props Electrical conductivity 38% of copper.

Physical Data : [top]

Density (lb / cu. in.) 0.1
Specific Gravity 2.78
Melting Point (Deg F) 950
Modulus of Elasticity Tension 10.6


Mechanical Data : [top]

MSO currently has no data available for this grade.



Videos :

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