AA Standards Grade 2011 T4

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Description

Aluminum AA 2011 is a popular age-hardenable alloy known for its free-machining characteristics and mechanical properties. It can be machined to very close tolerances while still maintaining a smooth and bright finish. Unlike other aluminum alloys, AA 2011 does not offer good corrosion resistance or weldability.

Related Standards

Equivalent Materials

This material data has been provided by AluKey,MakeItFrom.com,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

2.83 g/cm³

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T4

AA Standards, ASTM B211

3.1 g/cm³

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T4

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

70.0 GPa

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T4

AA Standards, ASTM B211

Elongation

14.0 %

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T4

AA Standards, ASTM B211

A100

16.0 %

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T4

AA Standards, ASTM B211

A50

16.0 %

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T4

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

275.0 MPa

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T4

AA Standards, ASTM B211

320.0 MPa

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T4

Yield strength

125.0 MPa

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T4

AA Standards, ASTM B211

RP02

140.0 MPa

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T4

Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

2.3e-05 1/K

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T4

20 °C

2.2899999999999998e-05 1/K

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T4

AA Standards, ASTM B211

100 °C

2.2899999999999998e-05 1/K

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T4

AA Standards, ASTM B211

Melting point

540.0 - 645.0 °C

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T4

AA Standards, ASTM B211

540.0 °C

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T4

Specific heat capacity

860.0 J/(kg·K)

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T4

Thermal conductivity

150.0 W/(m·K)

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T4

151.0 - 172.0 W/(m·K)

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T4

AA Standards, ASTM B211

Electrical

PropertyValueConditionRelated StandardsComment

Electrical conductivity

23000000.0 - 26000000.0 S/m

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T4

AA Standards, ASTM B211

23000000 S/m

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T4

Typical/derived value

Electrical resistivity

3.85e-08 - 4.35e-08 Ω·m

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T4

AA Standards, ASTM B211

4.4e-08 Ω·m

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T4

Typical value

Specific Electrical conductivity

39.0 % IACS

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T4

Typical value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

91.3 - 94.6 %

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T4

Bismuth

0.2 - 0.6 %

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T4

AA Standards, ASTM B211

Copper

5.0 - 6.0 %

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T4

AA Standards, ASTM B211

Iron

0.70 %

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T4

AA Standards, ASTM B211

0.7 %

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T4

Lead

0.2 - 0.6 %

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T4

AA Standards, ASTM B211

Other

0.15 %

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T4

Silicon

0.4 %

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T4

AA Standards, ASTM B211

Zinc

0.3 %

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T4

AA Standards, ASTM B211

Technological properties

Property
Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Limited operational damage(T3, T4, T451), no damage during operation, limited damage during laboratory tests (T8), general: sufficient, in principle it should be protected

General machinability

General: very good

Workability

general (condition): poor(T3), acceptable (T4, T451), d (T8)