AA 2024 H13 Aluminum Alloy – Industrial Strength & Machinability

Aluminum AA 2024, known for its use in aircraft industry, is an alloy that offers excellent strength. When in the annealed condition it is readily formed and has good machinability. Though it has a relatively low level of corrosion resistance, it can be machined to a high finish.

Properties

General

Property	Value	Condition	Related Standards
Density	2.78 g/cm³	H13	AA Standards, ASTM B316

Mechanical

Property	Value	Condition	Related Standards	Comment
Elastic modulus	73.0 GPa	H13	AA Standards, ASTM B316
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	220.0 - 290.0 MPa	H13	AA Standards, ASTM B316

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.3199999999999998e-05 1/K	H13	AA Standards, ASTM B316
	100 °C	2.3199999999999998e-05 1/K	H13	AA Standards, ASTM B316
Melting point		505.0 - 635.0 °C	H13	AA Standards, ASTM B316
Specific heat capacity		816.0 - 963.0 J/(kg·K)			Typical for Wrought 2000 Series Aluminium
Thermal conductivity		121.0 - 193.0 W/(m·K)	H13	AA Standards, ASTM B316

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	17000000.0 - 29000000.0 S/m	H13	AA Standards, ASTM B316
Electrical resistivity	3.45e-08 - 5.88e-08 Ω·m	H13	AA Standards, ASTM B316

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.1 %	H13	AA Standards, ASTM B316
Copper	3.8 - 4.9 %	H13	AA Standards, ASTM B316
Iron	0.50 %	H13	AA Standards, ASTM B316
Magnesium	1.2 - 1.8 %	H13	AA Standards, ASTM B316
Manganese	0.3 - 0.9 %	H13	AA Standards, ASTM B316
Silicon	0.5 %	H13	AA Standards, ASTM B316
Titanium	0.15 %	H13	AA Standards, ASTM B316
Zinc	0.25 %	H13	AA Standards, ASTM B316

Technological properties

Property
Brazing	general: no brazing is known or developed
Corrosion properties	Stress corrosion cracking: Betriebsschäden in Gebieten mit Zugspannungen quer zur Kornstruktur, Eingeschränkte Schäden an Laborproben (T4,T3, T351, T3510, T3511), d (T6, T861, T81, T851, T8510, T8511), general: sufficient, in principle it should be protected
General machinability	General: poor (O), good to acceptable
Workability	general (condition): poor(T4, T3, T351, T3510, T3511, T6), not suitable (T361, T861, T81, T851, T8510, T8511)

AA 2017 H13 Aluminum Alloy: Strength, Ductility, and Machinability Explained AA 2219 H13 Aluminum Alloy: Premium Grade for High-Performance Applications

Metal