AA Standards Grade 2219 T81

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Description

Aluminum Alloy AA 2219, an age-hardenable alloy is produced with a copper additive. It is well-known for its excellent structural strength and it’s used for numerous high temperature applications. It is a suitable alloy for many metalworking processes including machining, forming, heat treatment, cold working, and more.

Related Standards

Equivalent Materials

This material data has been provided by AluKey,MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyValueConditionRelated Standards

Density

2.84 g/cm³

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

2.84 g/cm³

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T81

3.1 g/cm³

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T81

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Bending Fatigue Strength

105.0 MPa

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T81

AA Standards

Elastic modulus

73.0 GPa

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

73 GPa

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T81

74.0 GPa

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T81

Elongation

5.0 %

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T81

AA Standards, ASTM B221, ASTM B241

A100

6.0 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

A50

7.0 %

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T81

AA Standards, ASTM B209

A50

8.2 %

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T81

10.0 %

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T81

AA Standards

A50

10 %

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T81

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 2000 Series Aluminium

Poisson's ratio

0.33 [-]

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Typical for Wrought 2000 Series Aluminium

Shear modulus

26.0 GPa

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T81

Tensile strength

-195 °C

572 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

-80 °C

490 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

400.0 MPa

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T81

AA Standards, ASTM B221, ASTM B241

425.0 MPa

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T81

AA Standards, ASTM B209

455.0 MPa

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T81

AA Standards

470.0 MPa

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T81

0 °C

475 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

24 °C

455 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

100 °C

415 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

150 °C

338 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

205 °C

248 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

260 °C

200 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

315 °C

48 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

370 °C

30 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

Yield strength

-196 °C

421 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

-80 °C

372 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

-28 °C

359 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

290.0 MPa

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T81

AA Standards, ASTM B221, ASTM B241

RP02

315.0 MPa

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T81

AA Standards, ASTM B209

RP02

350.0 MPa

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T81

AA Standards

RP02

350.0 MPa

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T81

24 °C

345 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

100 °C

324 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

149 °C

276 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

204 °C

200 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

260 °C

159 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

316 °C

41 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

371 °C

26 MPa

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T81

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture, RP02

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Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.2e-05 1/K

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T81

20 °C

2.23e-05 1/K

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

100 °C

2.23e-05 1/K

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

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Melting point

540.0 °C

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T81

545.0 - 645.0 °C

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Specific heat capacity

860.0 J/(kg·K)

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T81

Thermal conductivity

113.0 - 172.0 W/(m·K)

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

120.0 W/(m·K)

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T81

Electrical

PropertyValueConditionRelated StandardsComment

Electrical conductivity

16000000.0 - 26000000.0 S/m

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

17000000 S/m

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T81

Typical value

Electrical resistivity

3.85e-08 - 6.25e-08 Ω·m

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

5.8e-08 Ω·m

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T81

Typical value

Specific Electrical conductivity

29.0 % IACS

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T81

Typical/Derived value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

91.5 - 93.8 %

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T81

Copper

5.8 - 6.8 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Iron

0.30 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

0.3 %

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T81

Magnesium

0.02 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Manganese

0.2 - 0.4 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Other

0.15 %

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T81

Silicon

0.2 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Titanium

0.02 - 0.1 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Vanadium

0.05 - 0.15 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Zinc

0.1 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Zirconium

0.1 - 0.25 %

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T81

AA Standards, ASTM B209, ASTM B221, ASTM B241

Technological properties

Property
Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Betriebsschäden in Gebieten mit Zugspannungen quer zur Kornstruktur, Eingeschränkte Schäden an Laborproben (T31, T351, T3510, T3511, T37), kein Schadensfall im Betrieb, eingeschränkte Schäden bei den Labortests (T81, T851, T8510, T8511), general: sufficient, in principle it should be protected

General machinability

General: good to acceptable

Workability

general (condition): poor(T31, T351, T3510, T3511), not suitable (T37, T81, T851, T8510, T8511, T87)