EN 573-3 Grade 3.0525 H42 – High‑Strength Aluminium Alloy Specification

Properties

General

Property	Value	Condition	Related Standards
Density	2.72 g/cm³	H42	EN 573-3, EN 1396

Mechanical

Property	Value	Condition	Related Standards	Comment
Elastic modulus	70.0 GPa	H42	EN 573-3, EN 1396
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 3000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 3000 Series Aluminium
Shear modulus	25.0 - 26.0 GPa			Typical for Wrought 3000 Series Aluminium
Tensile strength	140.0 - 195.0 MPa	H42	EN 573-3, EN 1396

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.3199999999999998e-05 1/K	H42	EN 573-3, EN 1396
	100 °C	2.3199999999999998e-05 1/K	H42	EN 573-3, EN 1396
Melting point		630.0 - 654.0 °C	H42	EN 573-3, EN 1396
Specific heat capacity		893.0 - 920.0 J/(kg·K)			Typical for Wrought 3000 Series Aluminium
Thermal conductivity		160.0 - 190.0 W/(m·K)	H42	EN 573-3, EN 1396

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	23000000.0 - 25000000.0 S/m	H42	EN 573-3, EN 1396
Electrical resistivity	4e-08 - 4.35e-08 Ω·m	H42	EN 573-3, EN 1396

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.1 %	H42	EN 573-3, EN 1396
Copper	0.3 %	H42	EN 573-3, EN 1396
Iron	0.70 %	H42	EN 573-3, EN 1396
Magnesium	0.2 - 0.6 %	H42	EN 573-3, EN 1396
Manganese	1.0 - 1.5 %	H42	EN 573-3, EN 1396
Silicon	0.6 %	H42	EN 573-3, EN 1396
Titanium	0.1 %	H42	EN 573-3, EN 1396
Zinc	0.25 %	H42	EN 573-3, EN 1396

Technological properties

Property
Anodizing	decorative: sufficient, Protective: very good
Corrosion properties	Seawater: very good, weathering: very good
Workability	Bending / Spinning (cold): good / acceptable, Impact extrusion (cold): acceptable, Deep drawing / upsetting (Condition) very good (O) / acceptable (H12)

Property

Anodizing

decorative: sufficient, Protective: very good

Corrosion properties

Seawater: very good, weathering: very good

Workability

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

EN 573-3 Grade 3.0525 H41 – Aluminum Alloy Specification & Key Properties EN 573-3 Grade 3.0525 H44 – High-Quality Aluminium Standard Specifications

Metal