AA Standards Grade 2011 T8

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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,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity,WroughtAl_Thermal.

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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T8

AA Standards, ASTM B210, ASTM B211

3.1 g/cm³

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T8

2.83 g/cm³

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T8

Mechanical

PropertyValueConditionRelated StandardsComment

Bending Fatigue Strength

125.0 MPa

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T8

AA Standards

Elastic modulus

70.0 GPa

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T8

AA Standards, ASTM B210, ASTM B211

70 GPa

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T8

Elongation

10.0 %

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T8

AA Standards

A100

7.0 %

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T8

AA Standards, ASTM B210

A100

9.0 %

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T8

AA Standards, ASTM B211

A100

8.0 %

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T8

AA Standards, ASTM B210

A50

10.0 %

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T8

AA Standards, ASTM B211

A50

9.9 %

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T8

12 %

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T8

Fatigue strength

124 MPa

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T8

for 5x10⁸ cycles

Hardness, Brinell

100.0 [-]

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T8

AA Standards

100.0 [-]

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T8

500 kg load, 10 mm ball

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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T8

Shear strength

241.0 MPa

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T8

Tensile strength

405.0 MPa

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T8

AA Standards

400.0 MPa

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T8

AA Standards, ASTM B210

370.0 MPa

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T8

AA Standards, ASTM B211

410.0 MPa

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T8

405 MPa

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T8

Yield strength

310.0 MPa

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T8

AA Standards

RP02

315.0 MPa

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T8

AA Standards, ASTM B210

RP02

275.0 MPa

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T8

AA Standards, ASTM B211

RP02

310 MPa

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T8

RP02

310.0 MPa

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T8

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

2.3e-05 1/K

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T8

100 °C, 20 °C

2.2899999999999998e-05 1/K

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T8

AA Standards, ASTM B210, ASTM B211

Melting point

540.0 - 645.0 °C

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T8

AA Standards, ASTM B210, ASTM B211

540.0 °C

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T8

Specific heat capacity

860.0 J/(kg·K)

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T8

Thermal conductivity

151.0 - 172.0 W/(m·K)

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T8

AA Standards, ASTM B210, ASTM B211

170.0 W/(m·K)

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T8

25 °C

171.36 W/(m·K)

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T8

unstated value

20 °C

173 W/(m·K)

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T8

unstated value

Electrical

PropertyValueConditionRelated StandardsComment

Electrical conductivity

23000000.0 - 26000000.0 S/m

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T8

AA Standards, ASTM B210, ASTM B211

26000000 S/m

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T8

Typical/derived value

Electrical resistivity

3.85e-08 - 4.35e-08 Ω·m

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T8

AA Standards, ASTM B210, ASTM B211

3.7999999999999996e-08 Ω·m

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T8

Typical value

Specific Electrical conductivity

45.0 % IACS

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T8

Typical value

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

91.3 - 94.6 %

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T8

Bismuth

0.2 - 0.6 %

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T8

AA Standards, ASTM B210, ASTM B211

Copper

5.0 - 6.0 %

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T8

AA Standards, ASTM B210, ASTM B211

Iron

0.70 %

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T8

AA Standards, ASTM B210, ASTM B211

0.7 %

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T8

Lead

0.2 - 0.6 %

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T8

AA Standards, ASTM B210, ASTM B211

Other

0.15 %

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T8

Silicon

0.4 %

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T8

AA Standards, ASTM B210, ASTM B211

Zinc

0.3 %

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T8

AA Standards, ASTM B210, 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)