JIS 2024 T4 Aluminum Alloy – High Strength, Machinability & Aerospace Applications

Aluminum JIS 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	Comment
Density	2.75 - 2.84 g/cm³	Typical for Wrought 2000 Series Aluminium

Mechanical

Property	Value	Condition	Related Standards	Shape	Comment
Elastic modulus	70.0 - 73.0 GPa				Typical for Wrought 2000 Series Aluminium
Elongation	10.0 %	T4	JIS H4120	Wire
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	265.0 MPa	T4	JIS H4120	Wire
Yield strength	245.0 MPa	T4	JIS H4120	Wire

Thermal

Property	Value	Comment
Coefficient of thermal expansion	1.6e-05 - 2.4e-05 1/K	Typical for Wrought 2000 Series Aluminium
Melting point	500.0 - 650.0 °C	Typical for Wrought 2000 Series Aluminium
Specific heat capacity	816.0 - 963.0 J/(kg·K)	Typical for Wrought 2000 Series Aluminium
Thermal conductivity	112.0 - 251.0 W/(m·K)	Typical for Wrought 2000 Series Aluminium

Electrical

Property	Value	Comment
Electrical conductivity	18000000.0 - 30000000.0 S/m	Typical for Wrought 2000 Series Aluminium
Electrical resistivity	3.4e-08 - 6e-08 Ω·m	Typical for Wrought 2000 Series Aluminium

Technological properties

Property
Processing history	T4
Workability	Moderate Workability

Property

Processing history

Workability

Moderate Workability

JIS H4120 Grade 2017 T4 Aluminum Alloy – High Strength & Machinability JIS H4120 Grade 6061 T6 Aluminium Alloy – High Performance & Corrosion Resistance

Metal