AA Standards Grade 2219 T31

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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,WroughtAl_ElectricalResistivity.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

3.1 g/cm³

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T31

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

73.0 GPa

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

74.0 GPa

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T31

Elongation

8.0 %

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T31

AA Standards, ASTM B209

A50

10.0 %

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T31

AA Standards, ASTM B209

A50

12.0 %

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T31

AA Standards, ASTM B221, ASTM B241

A100

14.0 %

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T31

AA Standards, ASTM B221, ASTM B241

A50

14.0 %

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T31

17.0 %

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T31

AA Standards

A50

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 - 27.5 GPa

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Typical for Wrought 2000 Series Aluminium

Tensile strength

290.0 MPa

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T31

AA Standards, ASTM B221, ASTM B241

310.0 MPa

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T31

AA Standards, ASTM B221, ASTM B241

315.0 MPa

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T31

AA Standards, ASTM B209

360.0 MPa

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T31

AA Standards

Yield strength

180.0 MPa

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T31

AA Standards, ASTM B221, ASTM B241

RP02

185.0 MPa

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T31

AA Standards, ASTM B221, ASTM B241

RP02

195.0 MPa

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T31

AA Standards, ASTM B209

RP02

200.0 MPa

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T31

AA Standards, ASTM B209

RP02

230.0 MPa

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T31

250.0 MPa

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T31

AA Standards

RP02

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.2e-05 1/K

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T31

20 °C

2.23e-05 1/K

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

100 °C

2.23e-05 1/K

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Melting point

540.0 °C

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T31

545.0 - 645.0 °C

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Specific heat capacity

860.0 J/(kg·K)

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T31

Thermal conductivity

110.0 W/(m·K)

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T31

113.0 - 172.0 W/(m·K)

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Electrical

PropertyValueConditionRelated StandardsComment

Electrical conductivity

16000000.0 - 26000000.0 S/m

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

16000000 S/m

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T31

Typical value

Electrical resistivity

3.85e-08 - 6.25e-08 Ω·m

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

6.2e-08 Ω·m

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T31

Typical value

Specific Electrical conductivity

28.0 % IACS

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T31

Typical/Derived value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

91.5 - 93.8 %

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T31

Copper

5.8 - 6.8 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Iron

0.30 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

0.3 %

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T31

Magnesium

0.02 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Manganese

0.2 - 0.4 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Other

0.15 %

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T31

Silicon

0.2 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Titanium

0.02 - 0.1 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Vanadium

0.05 - 0.15 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Zinc

0.1 %

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Zirconium

0.1 - 0.25 %

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T31

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)