EN 573-3 Grade 3.3211 F – High-Performance Anodizable Aluminium Alloy

DIN 3.3211 is a readily available alloy that has good surface finish and ability to be anodized.Easy of weldability and brazability with nice surface finish. Resistance to corrosion from seawater and atmospheric conditions. Suitable for hot forging.

Properties

General

Property	Value	Condition	Related Standards
Density	2.7 g/cm³	F	EN 573-3, EN 1715-3, EN 570

Mechanical

Property	Value	Condition	Related Standards	Comment
Elastic modulus	69.0 GPa	F	EN 573-3, EN 1715-3, EN 570
	70.0 GPa	F	EN 573-3, EN 1715-3, EN 570
Hardness, Brinell	40.0 [-]	F	EN 573-3, EN 570
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 6000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 6000 Series Aluminium
Shear modulus	26.3 GPa	F	EN 573-3, EN 1715-3, EN 570
Tensile strength	120.0 - 200.0 MPa	F	EN 573-3, EN 1715-3

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.3e-05 1/K	F	EN 573-3, EN 1715-3, EN 570
	20 °C	2.36e-05 1/K	F	EN 573-3, EN 1715-3, EN 570
	100 °C	2.3e-05 1/K	F	EN 573-3, EN 1715-3, EN 570
	100 °C	2.36e-05 1/K	F	EN 573-3, EN 1715-3, EN 570
Melting point		580.0 - 640.0 °C	F	EN 573-3, EN 1715-3, EN 570
		580.0 - 650.0 °C	F	EN 573-3, EN 1715-3, EN 570
Specific heat capacity		887.0 - 963.0 J/(kg·K)			Typical for Wrought 6000 Series Aluminium
Thermal conductivity		155.0 - 180.0 W/(m·K)	F	EN 573-3, EN 1715-3, EN 570
		170.0 - 200.0 W/(m·K)	F	EN 573-3, EN 1715-3, EN 570

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	22000000.0 - 30000000.0 S/m	F	EN 573-3, EN 1715-3, EN 570
	23000000.0 - 27000000.0 S/m	F	EN 573-3, EN 1715-3, EN 570
Electrical resistivity	3.33e-08 - 4.55e-08 Ω·m	F	EN 573-3, EN 1715-3, EN 570
	3.7e-08 - 4.35e-08 Ω·m	F	EN 573-3, EN 1715-3, EN 570

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.04 - 0.35 %	F	EN 573-3, EN 1715-3, EN 570
Copper	0.15 - 0.4 %	F	EN 573-3, EN 1715-3, EN 570
Iron	0.70 %	F	EN 573-3, EN 1715-3, EN 570
Magnesium	0.8 - 1.2 %	F	EN 573-3, EN 1715-3, EN 570
Manganese	0.15 %	F	EN 573-3, EN 1715-3, EN 570
Silicon	0.4 - 0.8 %	F	EN 573-3, EN 1715-3, EN 570
Titanium	0.15 %	F	EN 573-3, EN 1715-3, EN 570
Zinc	0.25 %	F	EN 573-3, EN 1715-3, EN 570

Technological properties

Property
Anodizing	decorative: acceptable, Protective: very good
Brazing	hard brazing (with flux/ without flux): good / sufficient, friction soldering: good, soft brazing with flux: acceptable
Corrosion properties	Seawater: good to acceptable, weathering: good
Workability	Bending / Spinning (cold): acceptable (T3, T4) / good (O), Impact extrusion (cold): good (O), Deep drawing / upsetting (Condition) good (O) / good (O)

DIN 1725-1 Grade 3.3208 T8 – High-Performance Aluminum Alloy DIN 1725-1 Grade 3.3211 T8 Alloy: Superior Corrosion Resistance & Finish

Metal