BS EN 573-3 Grade 2011 T6

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Description

Aluminium alloy 2011 is a high mechanical strength alloy that machines exceptionally well. Often called a Free Machining Alloy or ‘FMA’ it is well suited to use in automatic lathes. Machining at high speeds produces fine chips that areeasily removed. The excellent machining characteristics allow the production of complex and detailed parts. In some circumstances 2011 canreplace free machining brass without the need foralterations to tooling.It has poor corrosion resistance, which means partsmade from 2011 tend to be anodised to provideadditional surface protection.When higher levels of corrosion resistance arerequired, 6262 T9 may be a suitable replacement.

Related Standards

Equivalent Materials

Ashby charts

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Properties

General

Density

ρ

2.83 - 3.1 g/cm³ at 23 °C

Dimension

Dimensions

Durchmesser

Mechanical

Elastic modulus

E

70 GPa at 23 °C

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Elongation

A

8 - 8.6 % at 23 °C

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Elongation A100

A100

9 % at 23 °C

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Elongation A50

A50

10 % at 23 °C

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Hardness, Brinell

HB

110 [-] at 23 °C

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Plane-Strain Fracture Toughnes

KIC

22 - 35 MPa·√m at 23 °C

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Typical for Wrought 2000 Series Aluminium

Poisson's ratio

ν

0.33 [-] at 23 °C

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Typical for Wrought 2000 Series Aluminium

Shear modulus

G

26 - 27.5 GPa at 23 °C

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Typical for Wrought 2000 Series Aluminium

Tensile strength

Rm

310 - 380 MPa at 23 °C

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Yield strength

YS

270 MPa at 23 °C

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Yield strength Rp0.2

Rp0.2

230 - 275 MPa at 23 °C

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Thermal

Coefficient of thermal expansion

α

2.29E-5 1/K at 20 °C

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Melting point

Tm

535 - 645 °C

Specific heat capacity

cp

860 J/(kg·K) at 23 °C

Thermal conductivity

λ

151 - 172 W/(m·K) at 23 °C

Electrical

Electrical conductivity

σel

2.30E+7 - 2.60E+7 S/m at 23 °C

Electrical resistivity

ρel

3.85E-8 - 4.35E-8 Ω·m at 23 °C

Chemical properties

Element

Weight %

Comment

Al

91.3 - 94.6 %

Balance

Cu

5 - 6 %

Bi

0.2 - 0.6 %

Pb

0.2 - 0.6 %

Fe

0 - 0.7 %

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Technological properties

Application areas

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

Brazing

Poor

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

Excellent

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

Cold: Fair

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