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AA Standards Grade 6061 T6511

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Description

A medium strength aerospace aluminium alloy with strength, depending upon temperature. This alloy is used where good strength combined with workability is required.

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Equivalent Materials

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Properties

General

Density

ρ

2.7 g/cm³ at 20 °C

Dimension

Dimensions

Wanddicke

Mechanical

Elastic modulus

E

69 - 70 GPa at 20 °C

Elongation

A

8 - 10 % at 20 °C

Elongation A100

A100

9 % at 20 °C

Elongation A50

A50

8 - 10 % at 20 °C

Plane-Strain Fracture Toughnes

KIC

22 - 35 MPa·√m at 20 °C

Typical for Wrought 6000 Series Aluminium

Poisson's ratio

ν

0.33 [-] at 20 °C

Typical for Wrought 6000 Series Aluminium

Shear modulus

G

26 - 26.5 GPa at 20 °C

Typical for Wrought 6000 Series Aluminium

Tensile strength

Rm

241 - 300 MPa at 20 °C

Yield strength

YS

280 MPa at 20 °C

Yield strength Rp0.2

Rp0.2

240 - 262 MPa at 20 °C

Thermal

Coefficient of thermal expansion

α

2.34E-5 - 2.4E-5 1/K at 20 °C

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Melting point

Tm

580 - 650 °C

Specific heat capacity

cp

900 J/(kg·K) at 20 °C

Thermal conductivity

λ

155 - 180 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

2.30E+7 - 2.49E+8 S/m at 20 °C

Electrical resistivity

ρel

3.7E-8 - 4.35E-8 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Al

95.9 - 98.6 %

Balance

Mg

0.8 - 1.2 %

Si

0.4 - 0.8 %

Cu

0.15 - 0.4 %

Cr

0.04 - 0.35 %

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Technological properties

Application areas

Aerospace

Brazing

general: possible with commercial processes and methods

Corrosion properties

Stress corrosion cracking: no damage during operation and laboratory tests (O, T6, T651, T652, T6510, T6511), no damage during operation, limited damage during laboratory tests (T4, T451, T4510, T4511), general: good, without protection in industrial or seawater atmosphere

General machinability

General: poor (O), sufficient (T4, T451, T4510, T4511, T6, T651, T652, T6510, T6511)

Workability

general (condition): good (O), acceptable (T4, T451, T4510, T4511), poor(T6, T651, T652, T6510, T6511)

This material data has been provided by Righton Blackburns,MakeItFrom.com,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.