2219 aluminium alloy

 

2219 aluminium alloy is an alloy in the wrought aluminium-copper family (2000 or 2xxx series). It can be heat-treated to produce tempers with a higher strength but a lower ductility. The aluminium-copper alloys have high strength, but are generally less corrosion resistant and harder to weld than other types of aluminium alloys. To compensate for the lower corrosion resistance, 2219 aluminium can be clad in a commercially pure alloy such as 1050 or painted. This alloy is commonly formed by both extrusion and forging, but is not used in casting.

Alternate designations include AlCu6Mn and A92219. It is described in the following standards:

·         ASTM B 209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

·         ASTM B 211: Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire

·         ASTM B 221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

·         ISO 6361: Wrought Aluminium and Aluminium Alloy Sheets, Strips and Plates

Chemical Composition

The alloy composition of 2219 aluminium is:

·         Aluminium: 91.5 to 93.8%

·         Copper: 5.8 to 6.8%

·         Iron: 0.3% max

·         Magnesium: 0.02% max

·         Manganese: 0.2 to 0.4%

·         Silicon: 0.2% max

·         Titanium: 0.02 to 0.10%

·         Vanadium: 0.05 to 0.15%

·         Zinc: 0.1% max

·         Zirconium: 0.10 to 0.25%

·         Residuals: 0.15% max

 

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Technical Data Sheet

 

Chemical Composition Limits

Weight%

Al

Si

Fe

Cu

Mn

Mg

Zn

Ti

Others

V

Zn

2219

Bal

0.20 max

0.30 max

5.80-6.80

0.20-0.40

0.02 max

0.10 max

0.02-0.10

0.050 each
0.15 total

0.05-0.15

0.10-0.25

Aluminium Alloy 2219 is a high strength alloy which combines good machinability and good mechanical properties. 2219 is useful over a temperature range of -452°F to 600°F, is readily weldable and has good fracture toughness. In the T8 condition it is resistant to stress corrosion cracking. 

Aluminium 2219 is typically used in a range of aerospace applications such as high temperature structural applications including space booster and fuel tanks.

Typical Mechanical Properties

Aluminium 2219 - Bar / Extrusions

Material

Temper

Direction

Tensile Strength ksi

Yield Strength ksi

Elongation in 2" (%)

2219 (AMS 4162)

T8511

L

58

42

6

2219 (AMS 4162)

T8511

LT

56

39

4

Aluminium 2219 - Sheet / Plater (Bare)

Material

Temper

Thickness

Tensile Strength ksi

Yield Strength ksi

Elongation in 2" (%)

2219 (QQ-A-250/30)

0

0.020"-2.00

32 max

16 max

12

2219 (QQ-A-250/30)

T351

0.250" - 2.00"

46

28

10

2219 (QQ-A-250/30)

T851

0.250" - 2.00"

62

46

7-8

Aluminium 2219 - Sheet / Plater (Clad) Temper T81 / T851

Material

Temper

Thickness

Tensile Strength ksi

Yield Strength ksi

Elongation in 2" (%)

2219 (AMS 4094)

T81/ T851

0.020"-0.039"

49

37

6

2219 (AMS 4094)

T81/ T851

0.039"-0.099"

55

41

7

2219 (AMS 4094)

T81/ T851

0.099"-0.249"

58

43

7

2219 (AMS 4094)

T81/ T851

0.245"-0.499"

58

42

8

 

Alloy Designation

UK
Specifications

US
Specifications

US Federal
Specifications

European
Specifications

Other

2219

 

AMS 4031 2219-T0 Sheet, plate
AMS 4066 2219-T851 Seamless tube
AMS 4068 2219-T351 Seamless tube
AMS 4094 2219-T851 Alclad sheet
AMS 4095 2219-T351 Alclad sheet
AMS 4096 2219-T0 Alclad sheet
AMS 4143 2219-T6 Forgings
AMS 4144 2219-T851/T852 Hand
Forgings
AMS 4162 2219-T8511 Extrusion
AMS 4163 2219-T3511 Extrusion

QQ-A-250/30 2219-0
MIL-A-22771

 

 

 

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.