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	PRODUCT DATA of Aluminium

Material

Aluminium

Chemical Composition

100Al

CAS Registry ID

7429-90-5

	EXPERIENCE IN PRACTICE

Development Status

Commercial Product

Cost Range

Low

Equivalent Designations

Al

Space Experience

Extensive

	PHYSICAL PROPERTIES

Atomic Number

13

Atomic Weight

27 amu

Work Function

4.2 eV

Crystal Structure

Face centered cubic (fcc)

Specific Gravity

2.7

Magnetic Properties

Nonmagnetic

Relative Permeability

1

	ELASTIC PROPERTIES

Tensile Modulus

70.6 GPa

Bulk Modulus

78.1 GPa

Poisson Ratio

0.345

Speed of Sound (longitudinal)

6420 m/s

Speed of Sound (transverse)

3040 m/s

Acoustic Impedance

17.3 MRayls

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

2.67e-8 ohm.m

Superconductivity Critical Temperature

-272 °C

	THERMAL PROPERTIES

Thermal Conductivity

238 W/m.K

Thermal Expansion Coefficient

23.5 µstrain/°C

Specific Heat

0.917 J/g.K

Melting Range

660 °C

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

EMF vs SCE

-0.76 V Remark: measured in 3.5% NaCl + water

Bimetallic Corrosion

Can be used in a non-controlled environment: Al alloys, Cd Can be used in a clean room environment: Mg, Sn-Pb alloys (all), Sn, Pb, Zn, Be Needs specific measures: All others