Aluminum 6063-T6 T5; AA 6063 Aluminum Alloy Properties

Aluminum 6063-T6, T5 (AA6063 Alloy)

AA 6063 aluminum is one of the Al-Mg-Si series aluminum alloys, containing about 1% Mg2Si. It has excellent extrudability, moderate strength, good weldability, corrosion resistance and resistance to stress corrosion cracking (SCC), widely used in extruded architectural profiles and decorative finishes. The common temper conditions of AA6063 mainly include: aluminum 6063-T5, 6063-T6, etc.

Alloy 6060, an extruded aluminum popular in Europe, has the same purpose and very similar mechanical properties as AA6063 (slightly weaker than aluminum grade 6063, and even more extrudable).

Compared to Al-6061 and 6082 (popular alloy in Europe), Al-6063 is used in construction applications as a lower strength and slightly lower cost alloy. This alloy is ideal for surface treatments such as anodizing. Extrusions of alloy 6063 are generally considered to provide a better anodized appearance than 6061, but they are not as strong.

AA 6063 Aluminum Properties

The following tables summarize AA 6063 aluminum properties including chemical composition, physical and mechanical properties, etc.

Chemical Composition

The chemical composition of 6063 aluminum alloy is given in the data sheet below.

6063 Aluminum Alloy Physical Properties

Aluminum 6063-T5 T6 physical properties are listed in the data sheet below, including the aluminum density, melting point, coefficient of thermal expansion, Young’s modulus, thermal conductivity, specific heat, electrical conductivity, and electrical resistivity, etc.

10^-6·K^-1 = 10^-6/K = 1 μm/m·^oC

1 Ω·mm²/m = 1 μΩ·m

1 g/cm³ = 1 kg/dm³ = 1000 kg/^m3

1 GPa = 1 kN/mm²

1 MPa = 1 N/mm²

MS/m = 0,58% IACS

1 cal/(g.C) = 1 Btu/(lb⋅F)

6063 Aluminum Mechanical Properties

Aluminum 6063 mechanical properties are listed in the table below, including tensile strength, yield strength, elongation, hardness, etc.

ASTM B210/B210M

ASTM B210/B210M: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes

Note:

(a) Material in the T42 or T62 tempers is not available from the material producers.

(b) The elongation in 50 mm (2 in.) is suitable for full-section test tubes, plate specimens, tubes with flat walls, and similar bending specimens with curved walls up to a maximum wall thickness of 12.50 mm. Elongation in 5D (5.65√A), D and So are the diameter and cross-sectional area of the specimen, respectively, and are suitable for circular specimens with a wall thickness exceeding 6.30 mm.

ASTM B221

Standard Specification for Aluminum and Aluminium-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B241/B241M

ASTM B241/B241M: Aluminium and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube

ASTM B429/B429M

ASTM B429/B429M: Aluminium-Alloy Extruded Structural Pipe and Tube

Applications of 6063 Aluminum Alloy

Typical uses of AA 6063 aluminum alloy include: furniture, doors, window frames, architectural profiles, decorative finishes, plumbing, railings, truck and trailer floors, electrical and electronic parts, highway signs, hospital and medical equipment, kitchen equipment, radiators; Extrusions in trains, cars and airplanes.

6063 Aluminum Alloy Equivalent Material

AA 6063 aluminum alloy equivalent material is listed in the table below including US ASTM, SAE; European EN, ISO, Australian AS/NZS, Japanese JIS and Chinese GB standard.

Note:

ASTM B210: Aluminum and Aluminum-Alloy Drawn Seamless Tubes

ASTM B221: Extruded Bars, Rods, Wire, Profiles and Tubes

ASTM B241/B241M: Seamless Pipe and Seamless Extruded Tube

ASTM B429/B429M: Aluminum-Alloy Extruded Structural Pipe and Tube

SAE AMS 4156: Aluminum Alloy, Extrusions 0.68Mg-0.40Si (6063-T6 Aluminium) Solution and Precipitation Heat Treated

AMS-QQ-A-200/9: 6063 Aluminum Alloy, Bar, Rod, Shapes, Tube, and Wire, Extruded