6061 T651 AA Standard Alloy – Durable, Corrosion‑Resistant & Easy to Fabricate

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	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547

Mechanical

Property	Value	Condition	Related Standards	Comment
Bending Fatigue Strength	95.0 MPa	T651	AA Standards
Elastic modulus	69.0 GPa	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Hardness, Brinell	95.0 [-]	T651	AA Standards
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	275.0 MPa	T651	AA Standards, ASTM B209
	290.0 MPa	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
	310.0 MPa	T651	AA Standards

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.36e-05 1/K	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
	100 °C	2.36e-05 1/K	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Melting point		580.0 - 650.0 °C	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
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)	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	23000000.0 - 27000000.0 S/m	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Electrical resistivity	3.7e-08 - 4.35e-08 Ω·m	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.04 - 0.35 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Copper	0.15 - 0.4 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Iron	0.70 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Magnesium	0.8 - 1.2 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Manganese	0.15 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Silicon	0.4 - 0.8 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Titanium	0.15 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547
Zinc	0.25 %	T651	AA Standards, ASTM B209, ASTM B211, ASTM B547

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)

AA 6063 T6 Aluminum Alloy – Premium Corrosion Resistance & Finishing AA 6061 T451: High-Performance, Corrosion-Resistant Alloy for Industrial Applications

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