AA Standards Grade 6082 T4

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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.

Related Standards

Equivalent Materials

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

2.7 g/cm³

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T4

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

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Mechanical

PropertyValueConditionRelated StandardsShapeComment

Elastic modulus

72.0 GPa

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T4

70.0 GPa

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T4

BS EN 573-3, BS EN 755-2

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Elongation

15.0 %

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T4

14.0 %

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T4

BS EN 573-3, BS EN 755-2

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12.0 %

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T4

BS EN 573-3, BS EN 755-2

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A50

Hardness, Brinell

70.0 [-]

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T4

BS EN 573-3, BS EN 755-2

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Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 6000 Series Aluminium

Poisson's ratio

0.33 [-]

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Typical for Wrought 6000 Series Aluminium

Shear modulus

26.0 - 26.5 GPa

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Typical for Wrought 6000 Series Aluminium

Tensile strength

240.0 MPa

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T4

205.0 MPa

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T4

BS EN 573-3, BS EN 755-2

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Yield strength

130.0 MPa

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T4

110.0 MPa

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T4

BS EN 573-3, BS EN 755-2

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RP02

Thermal

PropertyTemperatureValueConditionRelated StandardsShapeComment

Coefficient of thermal expansion

2.3e-05 1/K

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T4

100 °C

0.000022 1/K

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T4

unstated value for 20-100°C

2.4e-05 1/K

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T4

BS EN 573-3, BS EN 755-2

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Melting point

580.0 °C

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T4

555.0 °C

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T4

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Specific heat capacity

890.0 J/(kg·K)

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T4

Thermal conductivity

170.0 W/(m·K)

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T4

180.0 W/(m·K)

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T4

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Electrical

PropertyValueConditionRelated StandardsShapeComment

Electrical conductivity

21000000.0 - 34000000.0 S/m

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Typical for Wrought 6000 Series Aluminium

Electrical resistivity

3.8e-08 Ω·m

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T4

BS EN 573-3, BS EN 755-2

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Chemical properties

PropertyValueConditionRelated StandardsShapeComment

Aluminium

95.2 - 98.3 %

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T4

Chromium

0.25 %

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T4

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

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Copper

0.1 %

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T4

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

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Iron

0.50 %

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T4

AA Standards

0.5 %

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T4

BS EN 573-3, BS EN 755-2

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Magnesium

0.6 - 1.2 %

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T4

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

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Manganese

0.4 - 1.0 %

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T4

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

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Other

0.15 %

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T4

BS EN 573-3, BS EN 755-2

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Total

Silicon

0.7 - 1.3 %

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T4

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

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Titanium

0.1 %

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T4

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

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Zinc

0.2 %

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T4

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

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Technological properties

Property
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