AA 6061-T6 (T62) Alloy: High-Strength, Corrosion-Resistant Grade

AA 6061 is a readily available alloy that has good surface finish and ability to be anodized.Easy of weldability and brazability with nice surface finish. Resistance to corrosion from seawater and atmospheric conditions. Suitable for hot forging.

Properties

General

Property	Value	Condition	Related Standards
Density	2.7 g/cm³	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483

Mechanical

Property	Value	Condition	Related Standards	Comment
Elastic modulus	69.0 GPa	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 6000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 6000 Series Aluminium
Shear modulus	26.0 - 26.5 GPa			Typical for Wrought 6000 Series Aluminium
Tensile strength	260.0 MPa	T62	AA Standards, ASTM B221, ASTM B241, ASTM B345
	275.0 MPa	T62	AA Standards, ASTM B209
	290.0 MPa	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B483

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.36e-05 1/K	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
	100 °C	2.36e-05 1/K	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Melting point		580.0 - 650.0 °C	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Specific heat capacity		887.0 - 963.0 J/(kg·K)			Typical for Wrought 6000 Series Aluminium
Thermal conductivity		155.0 - 180.0 W/(m·K)	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	23000000.0 - 27000000.0 S/m	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Electrical resistivity	3.7e-08 - 4.35e-08 Ω·m	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.04 - 0.35 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Copper	0.15 - 0.4 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Iron	0.70 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Magnesium	0.8 - 1.2 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Manganese	0.15 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Silicon	0.4 - 0.8 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Titanium	0.15 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483
Zinc	0.25 %	T62	AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B345, ASTM B483

Technological properties

Property
Brazing	general: possible with commercial processes and methods
Corrosion properties	Stress corrosion cracking: no damage during operation and laboratory tests (O, T6, T651, T652, T6510, T6511), no damage during operation, limited damage during laboratory tests (T4, T451, T4510, T4511), general: good, without protection in industrial or seawater atmosphere
General machinability	General: poor (O), sufficient (T4, T451, T4510, T4511, T6, T651, T652, T6510, T6511)
Workability	general (condition): good (O), acceptable (T4, T451, T4510, T4511), poor(T6, T651, T652, T6510, T6511)

AW-6060 H18: Food‑Safe, Age‑Hardenable AlMgSi Alloy for High‑Performance Applications AA 6061 T1: Premium Alloy for Corrosion-Resistant, Weldable Applications

Metal