WL 3.4144-1 Grade 3.4144 T7452

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Description

DIN 3.4144 is a heat treatable alloy that has very high mechanical properties and high fracture toughness. Popular with the aerospace industry, DIN 3.4144 offers good stress and corrosion cracking resistance and high strength at subzero temperatures.

Related Standards

WL 3.4144-1

Equivalent Materials

This material data has been provided by WIAM.

"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	Value	Comment
Density	2.7 - 2.85 g/cm³ Show Material materials with Density of 2.7 - 2.85 g/cm³	Typical for Wrought 7000 Series Aluminium

Mechanical

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Elastic modulus		69.0 - 72.0 GPa Show Material materials with Elastic modulus of 69.0 - 72.0 GPa				Typical for Wrought 7000 Series Aluminium
Elongation	20.0 °C	2.0 % Show Material materials with Elongation of 2.0 %	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	3.0 % Show Material materials with Elongation of 3.0 %	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	4.0 % Show Material materials with Elongation of 4.0 %	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	5.0 % Show Material materials with Elongation of 5.0 %	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	9.0 % Show Material materials with Elongation of 9.0 %	T7452	WL 3.4144-1	Forging
Hardness, Brinell	20.0 °C	135.0 [-] Show Material materials with Hardness, Brinell of 135.0 [-]	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	135.0 [-] Show Material materials with Hardness, Brinell of 135.0 [-]	T7452	WL 3.4144-1	Forging
Plane-Strain Fracture Toughnes	20.0 °C	21.2 - 35.1 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 21.2 - 35.1 MPa·√m	T7452	WL 3.4144-1	Forging
	20.0 °C	21.2 - 23.7 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 21.2 - 23.7 MPa·√m	T7452	WL 3.4144-1	Forging
	20.0 °C	21.2 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 21.2 MPa·√m	T7452	WL 3.4144-1	Forging
	20.0 °C	23.7 - 35.1 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 23.7 - 35.1 MPa·√m	T7452	WL 3.4144-1	Forging
	20.0 °C	23.7 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 23.7 MPa·√m	T7452	WL 3.4144-1	Forging
	20.0 °C	35.1 MPa·√m Show Material materials with Plane-Strain Fracture Toughnes of 35.1 MPa·√m	T7452	WL 3.4144-1	Forging
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 - 27.1 GPa Show Material materials with Shear modulus of 26.4 - 27.1 GPa				Typical for Wrought 7000 Series Aluminium
Tensile strength	20.0 °C	435.0 MPa Show Material materials with Tensile strength of 435.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	440.0 MPa Show Material materials with Tensile strength of 440.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	445.0 MPa Show Material materials with Tensile strength of 445.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	455.0 MPa Show Material materials with Tensile strength of 455.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	460.0 MPa Show Material materials with Tensile strength of 460.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	460.0 MPa Show Material materials with Tensile strength of 460.0 MPa	T7452	WL 3.4144-1	Forging
	20.0 °C	470.0 MPa Show Material materials with Tensile strength of 470.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	470.0 MPa Show Material materials with Tensile strength of 470.0 MPa	T7452	WL 3.4144-1	Forging
	20.0 °C	475.0 MPa Show Material materials with Tensile strength of 475.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	475.0 MPa Show Material materials with Tensile strength of 475.0 MPa	T7452	WL 3.4144-1	Forging
	20.0 °C	480.0 MPa Show Material materials with Tensile strength of 480.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	480.0 MPa Show Material materials with Tensile strength of 480.0 MPa	T7452	WL 3.4144-1	Forging
	20.0 °C	490.0 MPa Show Material materials with Tensile strength of 490.0 MPa	T7452	WL 3.4144-1	Forging	Transverse
	20.0 °C	490.0 MPa Show Material materials with Tensile strength of 490.0 MPa	T7452	WL 3.4144-1	Forging
	20.0 °C	495.0 MPa Show Material materials with Tensile strength of 495.0 MPa	T7452	WL 3.4144-1	Forging

Thermal

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Coefficient of thermal expansion	100.0 °C	2.3e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.3e-05 1/K	T7452	WL 3.4144-1	Forging
	200.0 °C	2.43e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.43e-05 1/K	T7452	WL 3.4144-1	Forging
	300.0 °C	2.52e-05 1/K Show Material materials with Coefficient of thermal expansion of 2.52e-05 1/K	T7452	WL 3.4144-1	Forging
Melting point		465.0 - 655.0 °C Show Material materials with Melting point of 465.0 - 655.0 °C				Typical for Wrought 7000 Series Aluminium
Specific heat capacity	100.0 °C	963.0 J/(kg·K) Show Material materials with Specific heat capacity of 963.0 J/(kg·K)	T7452	WL 3.4144-1	Forging
Thermal conductivity	25.0 °C	157.0 W/(m·K) Show Material materials with Thermal conductivity of 157.0 W/(m·K)	T7452	WL 3.4144-1	Forging

Electrical

Property	Value	Comment
Electrical conductivity	18000000.0 - 34000000.0 S/m Show Material materials with Electrical conductivity of 18000000.0 - 34000000.0 S/m	Typical for Wrought 7000 Series Aluminium
Electrical resistivity	2.9e-08 - 5.6e-08 Ω·m Show Material materials with Electrical resistivity of 2.9e-08 - 5.6e-08 Ω·m	Typical for Wrought 7000 Series Aluminium

Chemical properties

Property	Value	Condition	Related Standards	Shape
Chromium	0.04 Show Material materials with Chromium of 0.04	T7452	WL 3.4144-1	Forging
Copper	2.0 - 2.6 % Show Material materials with Copper of 2.0 - 2.6 %	T7452	WL 3.4144-1	Forging
Iron	0.15 Show Material materials with Iron of 0.15	T7452	WL 3.4144-1	Forging
Magnesium	1.9 - 2.6 % Show Material materials with Magnesium of 1.9 - 2.6 %	T7452	WL 3.4144-1	Forging
Manganese	0.1 Show Material materials with Manganese of 0.1	T7452	WL 3.4144-1	Forging
Silicon	0.12 Show Material materials with Silicon of 0.12	T7452	WL 3.4144-1	Forging
Titanium	0.06 Show Material materials with Titanium of 0.06	T7452	WL 3.4144-1	Forging
Zinc	5.7 - 6.7 % Show Material materials with Zinc of 5.7 - 6.7 %	T7452	WL 3.4144-1	Forging
Zirconium	0.08 - 0.15 % Show Material materials with Zirconium of 0.08 - 0.15 %	T7452	WL 3.4144-1	Forging

Technological properties

Property

Brazing

Excellent

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