AA Standards Grade 2011 T6

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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,Righton Blackburns.

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 StandardsShape

Density

2.83 g/cm³

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T6

AA Standards, ASTM B211, BS EN 573-3, BS EN 755-2

Bar

3.1 g/cm³

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T6

Mechanical

PropertyValueConditionRelated StandardsShapeComment

Elastic modulus

70.0 GPa

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T6

AA Standards, ASTM B211, BS EN 573-3, BS EN 755-2

Bar

Elongation

8.0 %

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T6

BS EN 573-3, BS EN 755-2

Bar

8.6 %

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T6

9.0 %

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T6

AA Standards, ASTM B211

A100

10.0 %

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T6

AA Standards, ASTM B211

A50

Hardness, Brinell

110.0 [-]

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T6

BS EN 573-3, BS EN 755-2

Bar

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

310.0 MPa

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T6

BS EN 573-3, BS EN 755-2

Bar

370.0 MPa

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T6

AA Standards, ASTM B211

380.0 MPa

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T6

Yield strength

230.0 MPa

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T6

BS EN 573-3, BS EN 755-2

Bar

RP02

270.0 MPa

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T6

275.0 MPa

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T6

AA Standards, ASTM B211

RP02

Thermal

PropertyTemperatureValueConditionRelated StandardsShape

Coefficient of thermal expansion

2.29e-05 1/K

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T6

BS EN 573-3, BS EN 755-2

Bar

2.3e-05 1/K

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T6

20 °C

2.2899999999999998e-05 1/K

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T6

AA Standards, ASTM B211

100 °C

2.2899999999999998e-05 1/K

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T6

AA Standards, ASTM B211

Melting point

535.0 °C

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T6

BS EN 573-3, BS EN 755-2

Bar

540.0 - 645.0 °C

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T6

AA Standards, ASTM B211

540.0 °C

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T6

Specific heat capacity

860.0 J/(kg·K)

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T6

Thermal conductivity

151.0 - 172.0 W/(m·K)

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T6

AA Standards, ASTM B211

170.0 W/(m·K)

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T6

Electrical

PropertyValueConditionRelated Standards

Electrical conductivity

23000000.0 - 26000000.0 S/m

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T6

AA Standards, ASTM B211

Electrical resistivity

3.85e-08 - 4.35e-08 Ω·m

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T6

AA Standards, ASTM B211

Chemical properties

PropertyValueConditionRelated StandardsShapeComment

Aluminium

91.3 - 94.6 %

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T6

Bismuth

0.2 - 0.6 %

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T6

AA Standards, ASTM B211, BS EN 573-3, BS EN 755-2

Bar

Copper

5.0 - 6.0 %

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T6

AA Standards, ASTM B211, BS EN 573-3, BS EN 755-2

Bar

Iron

0.70 %

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T6

AA Standards, ASTM B211

0.7 %

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T6

BS EN 573-3, BS EN 755-2

Bar

Lead

0.2 - 0.6 %

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T6

AA Standards, ASTM B211

0.2 - 0.4 %

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T6

BS EN 573-3, BS EN 755-2

Bar

Other

0.15 %

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T6

BS EN 573-3, BS EN 755-2

Bar

Total

Silicon

0.4 %

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T6

AA Standards, ASTM B211, BS EN 573-3, BS EN 755-2

Bar

Zinc

0.3 %

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T6

AA Standards, ASTM B211, BS EN 573-3, BS EN 755-2

Bar

Technological properties

Property
Application areas

Appliance parts & trim, Automotive trim, Fasteners and fittings, Ordnance

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

Soldering general

Fair

Welding

Alloy 2011 has extremely poor weldability and thus welding is not recommended. However, as it is used for machined parts there is rarely a need to weld this alloy. Gas: Poor; Arc: Poor; Resistance: Poor

Workability

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