Discover the composition, characteristics, properties and applications of our vast product range. Righton Blackburns' datasheets: designed to give customers confidence.

Data Sheets

Aluminium Alloy - Commercial Alloy

6063A - T6 Extrusions


Aluminium Alloy 6063A
Aluminium alloy 6063A is a variation of 6063 with greater strength but retains the same good surface finish qualities and affinity for anodising.

Applications
6063A is used in the same applications as 6063. It is also used in:
Road transport
Rail transport
Extreme sports equipment

Aluminium Alloy 6063
Aluminium alloy 6063 is a medium strength alloy commonly referred to as an architectural alloy. It is normally used in intricate extrusions.
It has a good surface finish, high corrosion resistance, is readily suited to welding and can be easily anodised. Most commonly available as T6 temper, in the T4 condition it has good formability.

Applications
6063 is typically used in:
Architectural applications
Extrusions
Window frames
Doors
Shop fittings
Irrigation tubing
In balustrading the rails and posts are normally in the T6 temper and formed elbows and bends are T4. T4 temper 6063 aluminium is also finding applications in hydroformed tube for chassis.

Chemical Composition

BS EN 573-3:2009
Alloy 6063
Chemical Element % Present
Manganese (Mn) 0.0 - 0.15
Iron (Fe) 0.15 - 0.35
Magnesium (Mg) 0.60 - 0.90
Silicon (Si) 0.30 - 0.60
Zinc (Zn) 0.0 - 0.15
Titanium (Ti) 0.0 - 0.05
Chromium (Cr) 0.0 - 0.15
Copper (Cu) 0.0 - 0.05
Other (Each) 0.0 - 0.05
Others (Total) 0.0 - 0.15
Aluminium (Al) Balance

Alloy Designations

Aluminium alloy 6063/6063A also corresponds to the following standard designations and specifications but may not be a direct equivalent:

AA6063

Al Mg0.7Si

GS10

AlMgSi0.5

A-GS

3.32206

ASTM B210

ASTM B221

ASTM B241 (Pipe- Seamless)

ASTM B345 (Pipe- Seamless)

ASTM B361

ASTM B429

ASTM B483

ASTM B491

MIL G-18014

MIL G-18015

MIL P-25995

MIL W-85

QQ A-200/9

SAE J454

UNS A96063

HE19

Generic Physical Properties

Physical Property Value
Density 2.70 g/cm³
Melting Point 600 °C
Thermal Expansion 23.5 x10^-6 /K
Modulus of Elasticity 69.5 GPa
Thermal Conductivity 200 W/m.K
Electrical Resistivity 0.035 x10^-6 Ω .m

Mechanical Properties

BS EN 755-2:2008
Rod and Bar - Up to 150mm Dia. & A/F
Mechanical Property Value
Proof Stress 190 Min MPa
Tensile Strength 230 Min MPa
Elongation A50 mm 5 Min %
Hardness Brinell 80 HB
Elongation A 7 Min %
BS EN 755-2:2008
Bar - 150mm to 200mm dia. & A/F
Mechanical Property Value
Proof Stress 160 Min MPa
Tensile Strength 220 Min MPa
Hardness Brinell 80 HB
Elongation A 7 Min %
BS EN 755-2:2008
Tube - Up to 25mm Wall Thickness
Mechanical Property Value
Proof Stress 190 Min MPa
Tensile Strength 230 Min MPa
Elongation A50 mm 5 Min %
Hardness Brinell 80 HB
Elongation A 7 Min %
BS EN 755-2:2008
Profiles - Up to 10mm Wall Thickness
Mechanical Property Value
Proof Stress 190 Min MPa
Tensile Strength 230 Min MPa
Elongation A50 mm 5 Min %
Hardness Brinell 80 HB
Elongation A 7 Min %
BS EN 755-2:2008
Profiles - 10mm to 25mm Wall Thickness
Mechanical Property Value
Proof Stress 180 Min MPa
Tensile Strength 220 Min MPa
Elongation A50 mm 4 Min %
Hardness Brinell 80 HB
Elongation A 5 Min %

Weldability

6063 is suitable for all conventional welding methods.

Welding wire generally should be alloy 5183 or alloy 4043.

When maximum electrical conductivity is required use alloy 4043.

For strength and conductivity use alloy 5346 and increase the size of the weld to compensate for the lower conductivity.

 

Weldability – Gas: Excellent

Weldability – Arc: Excellent

Weldability – Resistance: Excellent

Brazability: Excellent

Solderability: Good

Fabrication

Workability - Cold: Average

Machinability: Average

 

 


Disclaimer

This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.

Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.

Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.

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, whether expressed or implied.

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. All transactions are subject to the Company’s current 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.

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