EN 573-3 Grade 3.4335 O

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Description

The alloy AlZn4,5Mg1 is a cold and hot hardenable aluminum alloy of middle strength, which was developed particularly for welded structures. It reached after hot ageing the strength grade F 35 and is suitable thereby for statically loaded constructions. The dominating advantages of these alloy for welded structures is that this alloy hardens after welding in the heat influence zone automatically and is in hot-hardened state more corrosion resistant than cold-hardened. So it is advantageously to perform a warm ageing after welding when a corrosive load of welded construction units can be expected Heat treatment for hardening: solution annealing: 460 to 485 °C, quenching on air cold ageing: min. 90 d at ambient temperature hot ageing: 8 to 12 h at 90 to 100 °C and 16 to 24 h at 140 to 160 °C. (two stages treatment) The cold-hardened material condition, which adjusts itself after at least 90 days, can also to be reached by quenching after the stamp, i.e. without a separate solution annealing preceded the cold ageing. Application: In mechanical engineering (including building of forms) for machine body, housing, roller pipes, machine tables (profiles), for devices (baseplates, head and stamp retaining plates) as well as guide plates and tools, turned parts (hydraulic/pneumatics). In the apparatus and tank construction for tanks within the very low-temperature range, in the building of rail-mounted vehicles for car boxes, equipment and axle box case, in the conveying engineering for carrying constructions. In automobile construction for commercial motor vehicle superstructures, tank and silo trucks, dump truck hollows, buses, bumpers and safety-related parts, in shipbuilding for sail masts and radar equipment and/or mechanisms as well as application in the aircraft construction.

Related Standards

Equivalent Materials

This material data has been provided by WIAM,AluKey.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Temperature	Value	Condition	Related Standards	Shape
Density		2.77 g/cm³ Show Material materials with Density of 2.77 g/cm³	O	EN 573-3, EN 1386, EN 485
	20.0 °C	2.77 g/cm³ Show Material materials with Density of 2.77 g/cm³	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet

Mechanical

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Bending angle 90°		3.0 °/t Show Material materials with Bending angle 90° of 3.0 °/t	O	EN 573-3, EN 1386
Elastic modulus		70.0 GPa Show Material materials with Elastic modulus of 70.0 GPa	O	EN 573-3, EN 1386, EN 485
	20.0 °C	68.0 - 70.0 GPa Show Material materials with Elastic modulus of 68.0 - 70.0 GPa	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Elongation		6.0 % Show Material materials with Elongation of 6.0 %	O	EN 573-3, EN 1386		A50
		8.0 % Show Material materials with Elongation of 8.0 %	O	EN 573-3, EN 1386		A50
		10.0 % Show Material materials with Elongation of 10.0 %	O	EN 573-3, EN 1386		A50
		12.0 % Show Material materials with Elongation of 12.0 %	O	EN 573-3, EN 1386, EN 485		A50
		12.0 % Show Material materials with Elongation of 12.0 %	O	EN 573-3, EN 1386		A100
		13.0 % Show Material materials with Elongation of 13.0 %	O	EN 573-3, EN 485		A50
		15.0 % Show Material materials with Elongation of 15.0 %	O	EN 573-3, EN 485		A50
	20.0 °C	13.0 % Show Material materials with Elongation of 13.0 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet	A10
	20.0 °C	15.0 % Show Material materials with Elongation of 15.0 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Hardness, Brinell		45.0 [-] Show Material materials with Hardness, Brinell of 45.0 [-]	O	EN 573-3, EN 485
	20.0 °C	45.0 [-] Show Material materials with Hardness, Brinell of 45.0 [-]	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Plane-Strain Fracture Toughnes		22.0 - 35.0 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 22.0 - 35.0 MPa·√m				Typical for Wrought 7000 Series Aluminium
Poisson's ratio		0.33 [-] Show Material materials with Poisson's ratio of 0.33 [-]				Typical for Wrought 7000 Series Aluminium
Shear modulus		26.4 GPa Show Material materials with Shear modulus of 26.4 GPa	O	EN 573-3, EN 1386, EN 485
	20.0 °C	25.0 - 27.0 GPa Show Material materials with Shear modulus of 25.0 - 27.0 GPa	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Tensile strength		220.0 Show Material materials with Tensile strength of 220.0	O	EN 573-3, EN 1386, EN 485
	20.0 °C	220.0 Show Material materials with Tensile strength of 220.0	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet

Thermal

Property	Temperature	Value	Condition	Related Standards	Shape
Coefficient of thermal expansion	-50 °C	2.14e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.14e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	-50.0 °C	2.14e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.14e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	20 °C	2.14e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.14e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	20 °C	2.31e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.31e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	20 °C	2.4e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.4e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	20 °C	2.4999999999999998e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.4999999999999998e-05 1/K	O	EN 573-3, EN 1386, EN 485
	100 °C	2.31e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.31e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	100.0 °C	2.31e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.31e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	200 °C	2.4e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.4e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	200.0 °C	2.4e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.4e-05 1/K	O	EN 573-3, EN 1386, EN 485, DIN 1725-1, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	300 °C	2.4999999999999998e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.4999999999999998e-05 1/K	O	EN 573-3, EN 1386, EN 485
	300.0 °C	2.5e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.5e-05 1/K	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Melting point		600.0 - 650.0 °C Show Material materials with Melting point of 600.0 - 650.0 °C	O	EN 573-3, EN 1386, EN 485
Specific heat capacity		875.0 J/(kg·K) Show Material materials with Specific heat capacity of 875.0 J/(kg·K)	O	EN 573-3, EN 1386, EN 485
	20.0 °C	875.0 J/(kg·K) Show Material materials with Specific heat capacity of 875.0 J/(kg·K)	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Thermal conductivity	20.0 °C	130.0 - 160.0 W/(m·K) Show Material materials with Thermal conductivity of 130.0 - 160.0 W/(m·K)	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet

Electrical

Property	Temperature	Value	Condition	Related Standards	Shape
Electrical conductivity	20.0 °C	19000000.0 - 23000000.0 S/m Show Material materials with Electrical conductivity of 19000000.0 - 23000000.0 S/m	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet
Electrical resistivity		4.35e-08 - 5.26e-08 Ω·m Show Material materials with Electrical resistivity of 4.35e-08 - 5.26e-08 Ω·m	O	EN 573-3, EN 1386, EN 485

Chemical properties

Property	Value	Condition	Related Standards	Shape
Chromium	0.1 - 0.35 % Show Material materials with Chromium of 0.1 - 0.35 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
Copper	0.2 % Show Material materials with Copper of 0.2 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet
Iron	0.4 % Show Material materials with Iron of 0.4 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2	Sheet
	0.40 % Show Material materials with Iron of 0.40 %	O	EN 573-3, EN 1386, EN 485
Magnesium	1.0 - 1.4 % Show Material materials with Magnesium of 1.0 - 1.4 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet
Manganese	0.05 - 0.5 % Show Material materials with Manganese of 0.05 - 0.5 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet
Silicon	0.35 % Show Material materials with Silicon of 0.35 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet
Zinc	4.0 - 5.0 % Show Material materials with Zinc of 4.0 - 5.0 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet
Zirconium	0.08 - 0.2 % Show Material materials with Zirconium of 0.08 - 0.2 %	O	DIN 1725-1, EN 573-3, EN 573-4, WL 3.4336-1, WL 3.4336-2, EN 1386, EN 485	Sheet

Technological properties

Property
Anodizing	decorative: acceptable, 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: sufficient, weathering: acceptable
Workability	Bending / Spinning (cold): good (O) / acceptable (O), Impact extrusion (cold): acceptable (O), Deep drawing / upsetting (Condition) good (O) / good (O)

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