AA 2011 Aluminum Grade T3 – High Machinability & Mechanical Strength

Aluminum AA 2011 is a popular age-hardenable alloy known for its free-machining characteristics and mechanical properties. It can be machined to very close tolerances while still maintaining a smooth and bright finish. Unlike other aluminum alloys, AA 2011 does not offer good corrosion resistance or weldability.

Additional services: Cuttings, Parts from drawings

Properties

General

Property	Value	Condition	Related Standards
Density	2.83 g/cm³	T3	AA Standards, ASTM B210, ASTM B211

Mechanical

Property	Value	Condition	Related Standards	Comment
Bending Fatigue Strength	125.0 MPa	T3	AA Standards
Elastic modulus	70.0 GPa	T3	AA Standards, ASTM B210, ASTM B211
Hardness, Brinell	95.0 [-]	T3	AA Standards
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 2000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 2000 Series Aluminium
Shear modulus	26.0 - 27.5 GPa			Typical for Wrought 2000 Series Aluminium
Tensile strength	290.0 MPa	T3	AA Standards, ASTM B211
	295.0 MPa	T3	AA Standards, ASTM B211
	310.0 MPa	T3	AA Standards, ASTM B211
	325.0 MPa	T3	AA Standards, ASTM B210
	380.0 MPa	T3	AA Standards

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.2899999999999998e-05 1/K	T3	AA Standards, ASTM B210, ASTM B211
	100 °C	2.2899999999999998e-05 1/K	T3	AA Standards, ASTM B210, ASTM B211
Melting point		540.0 - 645.0 °C	T3	AA Standards, ASTM B210, ASTM B211
Specific heat capacity		816.0 - 963.0 J/(kg·K)			Typical for Wrought 2000 Series Aluminium
Thermal conductivity		151.0 - 172.0 W/(m·K)	T3	AA Standards, ASTM B210, ASTM B211

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	23000000.0 - 26000000.0 S/m	T3	AA Standards, ASTM B210, ASTM B211
Electrical resistivity	3.85e-08 - 4.35e-08 Ω·m	T3	AA Standards, ASTM B210, ASTM B211

Chemical properties

Property	Value	Condition	Related Standards
Bismuth	0.2 - 0.6 %	T3	AA Standards, ASTM B210, ASTM B211
Copper	5.0 - 6.0 %	T3	AA Standards, ASTM B210, ASTM B211
Iron	0.70 %	T3	AA Standards, ASTM B210, ASTM B211
Lead	0.2 - 0.6 %	T3	AA Standards, ASTM B210, ASTM B211
Silicon	0.4 %	T3	AA Standards, ASTM B210, ASTM B211
Zinc	0.3 %	T3	AA Standards, ASTM B210, ASTM B211

Technological properties

Property
Brazing	general: no brazing is known or developed
Corrosion properties	Stress corrosion cracking: Limited operational damage(T3, T4, T451), no damage during operation, limited damage during laboratory tests (T8), general: sufficient, in principle it should be protected
General machinability	General: very good
Workability	general (condition): poor(T3), acceptable (T4, T451), d (T8)

AA 2011 T8 Aluminum Alloy – Standards & Properties AA 2014 T451 Aluminum Alloy – Grade Standards & Properties

Metal