EN 573-3 Grade 3.1325 T451 – Comprehensive Material Specifications & Mechanical Properties

Properties

General

Property	Value	Condition	Related Standards
Density	2.8 g/cm³	T451	EN 573-3, EN 485

Mechanical

Property	Value	Condition	Related Standards	Comment
Bending angle 180°	3.0 °/t	T451	EN 573-3, EN 485
	5.0 °/t	T451	EN 573-3, EN 485
Bending angle 90°	3.0 °/t	T451	EN 573-3, EN 485
	5.0 °/t	T451	EN 573-3, EN 485
	8.0 °/t	T451	EN 573-3, EN 485
Elastic modulus	72.5 GPa	T451	EN 573-3, EN 485
Hardness, Brinell	101.0 [-]	T451	EN 573-3, EN 485
	105.0 [-]	T451	EN 573-3, EN 485
	108.0 [-]	T451	EN 573-3, EN 485
	110.0 [-]	T451	EN 573-3, EN 485
	111.0 [-]	T451	EN 573-3, EN 485
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	27.2 GPa	T451	EN 573-3, EN 485
Tensile strength	300.0 MPa	T451	EN 573-3, EN 485
	330.0 MPa	T451	EN 573-3, EN 485
	350.0 MPa	T451	EN 573-3, EN 485
	360.0 MPa	T451	EN 573-3, EN 485
	370.0 MPa	T451	EN 573-3, EN 485
	385.0 MPa	T451	EN 573-3, EN 485
	390.0 MPa	T451	EN 573-3, EN 485

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.3e-05 1/K	T451	EN 573-3, EN 485
	100 °C	2.3e-05 1/K	T451	EN 573-3, EN 485
Melting point		512.0 - 650.0 °C	T451	EN 573-3, EN 485
Specific heat capacity		816.0 - 963.0 J/(kg·K)			Typical for Wrought 2000 Series Aluminium
Thermal conductivity		130.0 - 200.0 W/(m·K)	T451	EN 573-3, EN 485

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	18000000.0 - 28000000.0 S/m	T451	EN 573-3, EN 485
Electrical resistivity	3.57e-08 - 5.56e-08 Ω·m	T451	EN 573-3, EN 485

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.1 %	T451	EN 573-3, EN 485
Copper	3.5 - 4.5 %	T451	EN 573-3, EN 485
Iron	0.70 %	T451	EN 573-3, EN 485
Magnesium	0.4 - 1.0 %	T451	EN 573-3, EN 485
Manganese	0.4 - 1.0 %	T451	EN 573-3, EN 485
Silicon	0.2 - 0.8 %	T451	EN 573-3, EN 485
Zinc	0.25 %	T451	EN 573-3, EN 485

Technological properties

Property
Anodizing	decorative: not suitable, Protective: good
Brazing	hard brazing (with flux/ without flux): not suitable / not suitable, friction soldering: acceptable, soft brazing with flux: not suitable
Corrosion properties	Seawater: poor, weathering: sufficient
Workability	Bending / Spinning (cold): good / acceptable, Impact extrusion (cold): acceptable, Deep drawing / upsetting (Condition) acceptable (O) / acceptable (O)

Metal