AA Standards Grade 6082 O

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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. Aluminium alloy 6082 also corresponds to the following standard designations and specifications but may not be a direct equivalent: AA6082 HE30 DIN 3.2315 EN AW-6082 ISO: Al Si1MgMn A96082

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Equivalent Materials

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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

Property	Value	Temperature
Density	2.7 g/cm³ Show Material materials with Density of 2.7 g/cm³ at 23.0 °C	23.0 °C

Mechanical

Property	Value	Temperature	Comment
Elastic modulus	72 GPa Show Material materials with Elastic modulus of 72 GPa at 23.0 °C	23.0 °C
Elongation	16 % Show Material materials with Elongation of 16 % at 23.0 °C	23.0 °C
Hardness, Brinell	40 [-] Show Material materials with Hardness, Brinell of 40 [-] at 23.0 °C	23.0 °C
Plane-Strain Fracture Toughnes	22 - 35 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 22 - 35 MPa·√m at 23.0 °C	23.0 °C	Typical for Wrought 6000 Series Aluminium
Poisson's ratio	0.33 [-] Show Material materials with Poisson's ratio of 0.33 [-] at 23.0 °C	23.0 °C	Typical for Wrought 6000 Series Aluminium
Shear modulus	26 - 26.5 GPa Show Material materials with Shear modulus of 26 - 26.5 GPa at 23.0 °C	23.0 °C	Typical for Wrought 6000 Series Aluminium
Tensile strength	130 - 150 MPa Show Material materials with Tensile strength of 130 - 150 MPa at 23.0 °C	23.0 °C
Yield strength	83 MPa Show Material materials with Yield strength of 83 MPa at 23.0 °C	23.0 °C
Yield strength Rp0.2	85 MPa Show Material materials with Yield strength Rp0.2 of 85 MPa at 23.0 °C	23.0 °C

Thermal

Property	Value	Temperature
Coefficient of thermal expansion	2.3E-5 1/K Show Material materials with Coefficient of thermal expansion of 2.3E-5 1/K at 23.0 °C	23.0 °C
Melting point	555 - 580 °C Show Material materials with Melting point of 555 - 580 °C
Specific heat capacity	890 J/(kg·K) Show Material materials with Specific heat capacity of 890 J/(kg·K) at 23.0 °C	23.0 °C
Thermal conductivity	180 - 220 W/(m·K) Show Material materials with Thermal conductivity of 180 - 220 W/(m·K) at 23.0 °C	23.0 °C

Electrical

Property	Value	Temperature	Comment
Electrical conductivity	2.10E+7 - 3.40E+7 S/m Show Material materials with Electrical conductivity of 2.10E+7 - 3.40E+7 S/m at 23.0 °C	23.0 °C	Typical for Wrought 6000 Series Aluminium
Electrical resistivity	3.8E-8 Ω·m Show Material materials with Electrical resistivity of 3.8E-8 Ω·m at 23.0 °C	23.0 °C

Chemical properties

Property
Aluminium	95.2 - 98.3 %	Balance
Chromium	0 - 0.25 %
Copper	0 - 0.1 %
Iron	0 - 0.5 %
Magnesium	0.6 - 1.2 %
Manganese	0.4 - 1 %
Other	0 - 0.15 %	each 0.05, total 0.15, Rest Al,Total
Silicon	0.7 - 1.3 %
Titanium	0 - 0.1 %
Zinc	0 - 0.2 %

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