DIN 1725‑1 Grade 3.3309 H24 – Premium Aluminum Alloy for High‑Gloss Applications

The alloy AlRMg0,5 belongs to the standardised shining materials. It can be polished after preceding mechanical polishing chemically or electrolytically to high gloss. If the high gloss surface is to be used with the material employment accordingly, is to be absolutely anodised afterwards.

Properties

General

Property	Temperature	Value	Condition	Related Standards	Shape
Density	20.0 °C	2.7 g/cm³	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat

Mechanical

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Elastic modulus	20.0 °C	65.0 - 70.0 GPa	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Elongation	20.0 °C	12.0 %	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat	A10
	20.0 °C	15.0 %	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Hardness, Brinell	20.0 °C	33.0 [-]	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Plane-Strain Fracture Toughnes		22.0 - 35.0 MPa·√m				Typical for Wrought 5000 Series Aluminium
Poisson's ratio		0.33 [-]				Typical for Wrought 5000 Series Aluminium
Shear modulus	20.0 °C	25.0 - 27.0 GPa	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Tensile strength	20.0 °C	100.0 - 140.0 MPa	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat

Thermal

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Coefficient of thermal expansion		2.2e-05 - 2.5e-05 1/K				Typical for Wrought 5000 Series Aluminium
Max service temperature		150.0 °C				Typical for Wrought 5000 Series Aluminium
Melting point		560.0 - 655.0 °C				Typical for Wrought 5000 Series Aluminium
Specific heat capacity		879.0 - 963.0 J/(kg·K)				Typical for Wrought 5000 Series Aluminium
Thermal conductivity	20.0 °C	215.0 W/(m·K)	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat

Electrical

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Electrical conductivity	20.0 °C	33000000.0 - 35000000.0 S/m	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Electrical resistivity		3.3e-08 - 5e-08 Ω·m				Typical for Wrought 5000 Series Aluminium

Chemical properties

Property	Value	Condition	Related Standards	Shape
Iron	0.008	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Magnesium	0.35 - 0.6 %	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Silicon	0.01	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Titanium	0.008	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat
Zinc	0.01	H24	DIN 1725-1, EN 573-3, EN 573-4	Flat

Technological properties

Property
Workability	Good workability.

Property

Workability

Good workability.

DIN 1725-1 Grade 3.3309 O: High-Gloss Anodized Aluminum Alloy DIN 1725-1 Grade 3.3309 H28 – Premium Aluminum Alloy for Precision Applications

Metal