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BS EN 573-3 Grade 6082 T6

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Description

Aluminium alloy 6082 is a medium strength alloy with excellent corrosion resistance. It has the highest strength of the 6000 series alloys. Alloy 6082 is known as a structural alloy. In plate form, 6082 is the alloy most commonly used for machining. As a relatively new alloy, the higher strength of 6082 has seen it replace 6061 in many applications. The addition of a large amount of manganese controls the grain structure which in turn results in a stronger alloy. It is difficult to produce thin walled, complicated extrusion shapes in alloy 6082. The extruded surface finish is not as smooth as other similar strength alloys in the 6000 series. In the T6 and T651 temper, alloy 6082 machines well and produces tight coils of swarf when chip breakers are used.

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Properties

General

Density

ρ

2.7 g/cm³ at 20 °C

Dimension

Dimensions

Wanddicke

Mechanical

Elastic modulus

E

70 - 72 GPa at 20 °C

Elongation

A

6 - 10 % at 20 °C

Elongation A100

A100

8 % at 20 °C

Elongation A50

A50

6 - 9 % at 20 °C

Hardness, Brinell

HB

84 - 95 [-] 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

270 - 330 MPa at 20 °C

Yield strength

YS

280 MPa at 20 °C

Yield strength Rp0.2

Rp0.2

200 - 260 MPa at 20 °C

Thermal

Coefficient of thermal expansion

α

2.3E-5 - 2.4E-5 1/K at 20 °C

unstated value for 20-100°C

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Melting point

Tm

555 - 580 °C

Specific heat capacity

cp

890 J/(kg·K) at 20 °C

Thermal conductivity

λ

170 - 180 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

2.55E+8 S/m at 20 °C

Electrical resistivity

ρel

3.8E-8 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Al

95.2 - 98.3 %

Balance

Si

0.7 - 1.3 %

Mg

0.6 - 1.2 %

Mn

0.4 - 1 %

Cr

0 - 0.25 %

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Technological properties

Application areas

Highly stressed applications, Trusses, Bridges, Cranes, Transport applications, Ore skips, Beer barrels, Milk churns

Brazing

Good

General machinability

Good

Soldering general

Good

Welding

6082 has very good weldability but strength is lowered in the weld zone. When welded to itself, alloy 4043 wire is recommended. If welding 6082 to 7005, then the wire used should be alloy 5356. Gas: Good; Arc: Good; Resistance: Good

Workability

Cold: Good

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