Aluminium / Aluminum 7175 Alloy (UNS A97175)

Topics Covered

Introduction
Physical Properties
Mechanical Properties
Thermal Properties
Fabrication
Applications

Introduction

Aluminium /aluminum alloys are good low-temperature alloys with strong corrosion resistance characteristics and high electrical conductivity. Both aluminium /aluminum and its alloys are in great demand as they are easy to acquire, fabricate and maintain.

The following datasheet provides an overview of aluminium / aluminum 7175 alloy.

Chemical Composition

The chemical composition of aluminium / aluminum 7175 alloy is outlined in the following table.

Element Content (%)
Aluminum, Al 90.0
Zinc, Zn 5.6
Magnesium, Mg 2.5
Copper, Cu 1.6
Chromium, Cr 0.23

Physical Properties

The following table shows the physical properties of aluminium / aluminum 7175 alloy.

Properties Metric Imperial
Density 2.6-2.8 g/cm³ 0.0939-0.1011 lb/in³
Melting point 482°C 900°F

Mechanical Properties

The mechanical properties of aluminium / aluminum 7175 alloy are displayed in the following table.

Properties Metric Imperial
Elastic modulus 70-80 Gpa 10152-11603 ksi
Poisson's ratio 0.33 0.33

Thermal Properties

The thermal properties of aluminium / aluminum 7175 alloy are given in the following table.

Properties Conditions
T (°C) Treatment
Thermal conductivity 177 (W/mK) 25 O

Fabrication

Machinability – of aluminium / aluminum 7175 alloy is easily possible. This alloy can be heat treated. It can also be hardened by cold working or heat treatment.

Cold and hot working - Conventional methods can be used for cold working aluminium / aluminum 7175 alloy allowing generous bend radii as with aluminium / aluminum 7075 alloy. Hot working is possible as well.

Forging and forming - Aluminium / aluminum 7175 alloy can be forged, and can also be formed by hand or die forging as it is a forging alloy.

Aging - Aluminium / aluminum 7175 alloy is an age-hardenable alloy.

Applications

Aluminium / aluminum 7175 alloy can be used in machined fittings of the aircraft industry.

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