Aluminium Alloys - Aluminium 6005 / 6005A Properties, Fabrication and Applications

Aluminium alloy 6005/6005A is a medium strength, heat treatable alloy with excellent corrosion resistance.

Aluminium Alloys Explained

Alloy 6005/6005A has properties between those of alloys 6061 and 6082 and can sometimes be used interchangeably with these alloys but 6005/6005A has better extrusion characteristics. It has a better mill surface finish, but it is difficult to produce thin-wall complicated shapes in 6005/6005A.

6005/6005A tube has very good bending properties.

Chemical Composition

Table 1. Chemical composition for aluminium alloy 6005

Element % Present
Si 0.5-0.9
Fe 0.0-0.35
Cu 0.0-0.3
Mn 0.0-0.5
Mg 0.4-0.7
Zn 0.0-0.2
Ti 0.0-0.1
Cr 0.0-0.3
Mn+Cr 0.12-0.5
Al Balance

 

Properties

Mechanical Properties

Table 2 (a). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Rod & Bar
up to 25mm Dia. & A/F
Property Value
Proof Stress 225 Min MPa
Tensile Strength 270 Min MPa
Elongation A50 mm 8 %
Shear Strength 205 MPa
Hardness Brinell 90 HB
Elongation A 10 Min %

*Above values are for T6 temper


Table 2 (b). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Rod & Bar
25mm to 50mm Dia. & A/F
Property Value
Proof Stress 225 Min MPa
Tensile Strength 270 Min MPa
Hardness Brinell 90 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (c). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Bar
50mm to 100mm Dia. & A/F
Property Value
Proof Stress 215 Min MPa
Tensile Strength 260 Min MPa
Hardness Brinell 85 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (d). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Tube
Up To 5mm Wall Thickness
Property Value
Proof Stress 225 Min MPa
Tensile Strength 270 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 90 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (e). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Tube
5mm to 10mm Wall Thickness
Property Value
Proof Stress 215 Min MPa
Tensile Strength 260 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 85 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (f). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Open Profile
Up to 5mm Wall Thickness
Property Value
Proof Stress 225 Min MPa
Tensile Strength 270 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 90 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (g). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Open Profile
5mm to 10mm Wall Thickness
Property Value
Proof Stress 215 Min MPa
Tensile Strength 260 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 85 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (h). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Open Profile
10mm to 25mm Wall Thickness
Property Value
Proof Stress 200 Min MPa
Tensile Strength 250 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 85 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (i). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Hollow Profile
Up to 5mm Wall Thickness
Property Value
Proof Stress 215 Min MPa
Tensile Strength 255 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 85 HB
Elongation A 8 Min %

*Above values are for T6 temper


Table 2 (a). Mechanical properties for aluminium alloy 6005 T6

BS EN 755-2:2008
Hollow Profile
5mm to 15mm Wall Thickness
Property Value
Proof Stress 200 Min MPa
Tensile Strength 250 Min MPa
Elongation A50 mm 6 Min %
Hardness Brinell 85 HB
Elongation A 8 Min %

*Above values are for T6 temper


Physical Properties

Table 3. Physical properties for aluminium alloy 6005

Property Value
Density 2.70 kg/m3
Melting Point 605°C
Modulus of Elasticity 70 GPa
Electrical Resistivity 0.34 x 10-6 Ω.m
Thermal Conductivity 188 W/m.K
Thermal Expansion 24 x 10-6/K

 

Alloy Designations

Aluminium alloy 6005 also corresponds to the following standard designations and specifications:

  • A96005
  • AlSiMg
  • AlSiMg(A)

Fabrication

Welding

The weldability of 6005/6005A is excellent. 4043 welding wire is recommended unless joining to one of the 7XXX series. In this case 5356 wire is the suggested alternative.

Fabrication Response

Table 4. Fabrication response for aluminium alloy 6005

Process Rating
Workability – Cold Fair
Machinability Fair
Weldability – Gas Excellent
Weldability – Arc Excellent
Weldability – Resistance Excellent
Brazability Excellent

 

Temper

As 6005/6005A is usually supplied in tube or extruded form. Its’ most common temper is T5. This temper denotes that the material has been cooled from an elevated temperature for the shaping process and then artificially aged.

Applications

6005 and 6005A find application in intricate extrusions like:

  • Tubing for furniture
  • Railway and bus profile structures
  • Pylons, platforms and pipelines
  • Portable ladders
  • Sections where greater strength is needed than given by 6060 and 6063.

DISCLAIMER

This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with temper, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be accepted by the Company is respect of any action taken by any third party in reliance thereon.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.

Any advice given by the Company to any third party is given for that party’s assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the company’s Conditions of Sale. The extent of the Company’s liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.

This information has been sourced, reviewed and adapted from materials provided by Aalco - Ferrous and Non-Ferrous Metals Stockist.

For more information on this source, please visit Aalco - Ferrous and Non-Ferrous Metals Stockist.

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