EN 573-3 Grade 3.0285 H12 – Aluminum Alloy Specifications & Performance

Properties

General

Property	Value	Condition	Related Standards
Density	2.7 g/cm³	H12	EN 573-3, EN 485

Mechanical

Property	Value	Condition	Related Standards	Comment
Bending angle 180°	0.5 °/t	H12	EN 573-3, EN 485
Bending angle 90°	0.5 °/t	H12	EN 573-3, EN 485
	1.0 °/t	H12	EN 573-3, EN 485
	2.0 °/t	H12	EN 573-3, EN 485
Elastic modulus	70.0 GPa	H12	EN 573-3, EN 485
Hardness, Brinell	26.0 [-]	H12	EN 573-3, EN 485
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 1000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 1000 Series Aluminium
Shear modulus	25.9 GPa			Typical for Wrought 1000 Series Aluminium
Tensile strength	80.0 - 120.0 MPa	H12	EN 573-3, EN 485

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.35e-05 1/K	H12	EN 573-3, EN 485
	100 °C	2.35e-05 1/K	H12	EN 573-3, EN 485
Melting point		659.0 °C	H12	EN 573-3, EN 485
Specific heat capacity		900.0 - 963.0 J/(kg·K)			Typical for Wrought 1000 Series Aluminium
Thermal conductivity		225 W/(m·K)	H12	EN 573-3, EN 485

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	34500000.0 - 35000000.0 S/m	H12	EN 573-3, EN 485
Electrical resistivity	2.86e-08 - 2.9e-08 Ω·m	H12	EN 573-3, EN 485

Chemical properties

Property	Value	Condition	Related Standards
Aluminium	99.8 %	H12	EN 573-3, EN 485
Copper	0.03 %	H12	EN 573-3, EN 485
Gallium	0.03 %	H12	EN 573-3, EN 485
Iron	0.15 %	H12	EN 573-3, EN 485
Magnesium	0.02 %	H12	EN 573-3, EN 485
Manganese	0.02 %	H12	EN 573-3, EN 485
Silicon	0.15 %	H12	EN 573-3, EN 485
Titanium	0.02 %	H12	EN 573-3, EN 485
Zinc	0.06 %	H12	EN 573-3, EN 485

Technological properties

Property
Anodizing	decorative: very good, Protective: very good
Brazing	hard brazing (with flux/ without flux): very good / very good, friction soldering: very good, soft brazing with flux: very good
Workability	Bending / Spinning (cold): very good / very good, Impact extrusion (cold): very good, Deep drawing / upsetting (Condition) very good (H14) / very good (H12)

Property

Anodizing

decorative: very good, Protective: very good

Brazing

hard brazing (with flux/ without flux): very good / very good, friction soldering: very good, soft brazing with flux: very good

Workability

Bending / Spinning (cold): very good / very good, Impact extrusion (cold): very good, Deep drawing / upsetting (Condition) very good (H14) / very good (H12)

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Metal