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EN 573-3 Grade 3.4345 T651 Aluminium Alloy – Properties & Standards

Properties

General

Property	Value	Condition	Related Standards
Density	2.78 g/cm³	T651	EN 573-3, EN 485

Mechanical

Property	Value	Condition	Related Standards	Comment
Elastic modulus	70.0 GPa	T651	EN 573-3, EN 485
Hardness, Brinell	121.0 [-]	T651	EN 573-3, EN 485
	127.0 [-]	T651	EN 573-3, EN 485
	133.0 [-]	T651	EN 573-3, EN 485
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 7000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 7000 Series Aluminium
Shear modulus	26.4 - 27.1 GPa			Typical for Wrought 7000 Series Aluminium
Tensile strength	410.0 MPa	T651	EN 573-3, EN 485
	430.0 MPa	T651	EN 573-3, EN 485
	450.0 MPa	T651	EN 573-3, EN 485

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.36e-05 1/K	T651	EN 573-3, EN 485
	100 °C	2.36e-05 1/K	T651	EN 573-3, EN 485
Melting point		480.0 - 640.0 °C	T651	EN 573-3, EN 485
Specific heat capacity		795.0 - 1050.0 J/(kg·K)			Typical for Wrought 7000 Series Aluminium
Thermal conductivity		130.0 - 160.0 W/(m·K)	T651	EN 573-3, EN 485

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	19000000.0 - 23000000.0 S/m	T651	EN 573-3, EN 485
Electrical resistivity	4.35e-08 - 5.26e-08 Ω·m	T651	EN 573-3, EN 485

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.1 - 0.3 %	T651	EN 573-3, EN 485
Copper	0.5 - 1.0 %	T651	EN 573-3, EN 485
Iron	0.50 %	T651	EN 573-3, EN 485
Magnesium	2.6 - 3.7 %	T651	EN 573-3, EN 485
Manganese	0.1 - 0.4 %	T651	EN 573-3, EN 485
Silicon	0.5 %	T651	EN 573-3, EN 485
Zinc	4.3 - 5.2 %	T651	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: not suitable, soft brazing with flux: not suitable
Corrosion properties	Seawater: poor, weathering: sufficient
Workability	Bending / Spinning (cold): poor (O) / not suitable, Impact extrusion (cold): not suitable, Deep drawing / upsetting (Condition) not suitable / not suitable

EN 573-3 Grade 3.3555 H38: Key Properties and Standards Overview EN 573-3 Grade 3.4345 T6510 Aluminium: Key Properties & Standards

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