MatWeb, The Online Materials Database

Aluminum, Al

Subcategory: Aluminum Alloy; Metal; Nonferrous Metal; Pure Element

Close Analogs: Over 1175 Al alloys are listed in MatWeb. Aluminum 1199 is the highest purity (99.99% Al min.) commercially available in structural form.

Component    Wt. % Al 100

Material Notes:
This listing is for pure aluminum.

Physical Properties	Metric	English	Comments
Density	2.6989 g/cc	0.0975 lb/in³
Mechanical Properties
Hardness, Vickers	15	15	Annealed
Modulus of Elasticity	68 GPa	9860 ksi
Shear Modulus	25 GPa	3630 ksi
Electrical Properties
Electrical Resistivity	2.7e-006 ohm-cm	2.7e-006 ohm-cm
Magnetic Susceptibility	6e-007	6e-007	cgs/g
Critical Magnetic Field Strength, Oersted	101.9 - 107.9	101.9 - 107.9
Critical Superconducting Temperature	1.73 - 1.77 K	1.73 - 1.77 K
Thermal Properties
Heat of Fusion	386.9 J/g	166 BTU/lb
CTE, linear 20°C	24 µm/m-°C	13.3 µin/in-°F	over the range 20-100ºC
CTE, linear 250°C	25.5 µm/m-°C	14.2 µin/in-°F	over the range 20-300ºC
CTE, linear 500°C	27.4 µm/m-°C	15.2 µin/in-°F	over the range 20-500ºC
Specific Heat Capacity	0.9 J/g-°C	0.215 BTU/lb-°F
Thermal Conductivity	210 W/m-K	1460 BTU-in/hr-ft²-°F
Melting Point	660.37 °C	1220 °F
Optical Properties
Emissivity (0-1)	0.2 - 0.3	0.2 - 0.3	strongly oxidized
Emissivity (0-1)	0.05	0.05	polished 50-500ºC
Reflection Coefficient, Visible (0-1)	0.9	0.9	tungsten light
Descriptive Properties
CAS Number	7429-90-5

References are available for this material.