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JIS H4000 1070 O – Premium 1070 Aluminium Alloy for Superior Strength and Ductility

Properties

General

Property	Value	Comment
Density	2.7 g/cm³	Typical for Wrought 1000 Series Aluminium

Mechanical

Property	Value	Condition	Related Standards	Shape	Comment
Elastic modulus	68.0 - 70.0 GPa				Typical for Wrought 1000 Series Aluminium
Elongation	30.0 %	O	JIS H4000	Plate, Sheet
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m				Typical for Wrought 1000 Series Aluminium
Poisson's ratio	0.33 [-]				Typical for Wrought 1000 Series Aluminium
Shear modulus	25.9 GPa				Typical for Wrought 1000 Series Aluminium
Tensile strength	59.0 MPa	O	JIS H4000	Plate, Sheet

Thermal

Property	Value	Comment
Coefficient of thermal expansion	2.2e-05 - 2.5e-05 1/K	Typical for Wrought 1000 Series Aluminium
Melting point	645.0 - 660.0 °C	Typical for Wrought 1000 Series Aluminium
Specific heat capacity	900.0 - 963.0 J/(kg·K)	Typical for Wrought 1000 Series Aluminium
Thermal conductivity	167.0 - 244.0 W/(m·K)	Typical for Wrought 1000 Series Aluminium

Electrical

Property	Value	Comment
Electrical conductivity	33000000.0 - 38000000.0 S/m	Typical for Wrought 1000 Series Aluminium
Electrical resistivity	2.7e-08 - 3e-08 Ω·m	Typical for Wrought 1000 Series Aluminium

Technological properties

Property

Brazing

Excellent

Processing history

O

Workability

Excellent workability.

JIS G4304 Grade SUSXM15J1 Stainless Steel – Solution Treated & Performance Overview JIS H4000 1070 H18 Aluminium – Premium Wrought Grade for High-Performance Applications

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