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.

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

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

73.0 GPa

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

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

360.0 MPa

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T31

AA Standards

315.0 MPa

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T31

AA Standards, ASTM B209

310.0 MPa

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T31

AA Standards, ASTM B221, ASTM B241

290.0 MPa

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T31

AA Standards, ASTM B221, ASTM B241

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

100 °C, 20 °C

2.23e-05 1/K

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Melting point

545.0 - 645.0 °C

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Specific heat capacity

816.0 - 963.0 J/(kg·K)

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Typical for Wrought 2000 Series Aluminium

Thermal conductivity

113.0 - 172.0 W/(m·K)

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

16000000.0 - 26000000.0 S/m

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Electrical resistivity

3.85e-08 - 6.25e-08 Ω·m

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T31

AA Standards, ASTM B209, ASTM B221, ASTM B241

Chemical properties

PropertyValueConditionRelated Standards

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

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

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)