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390.0-F Aluminum vs. As-cast Type 2 Pewter

390.0-F aluminum belongs to the aluminum alloys classification, while as-cast Type 2 pewter belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 390.0-F aluminum and the bottom bar is as-cast Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
23
Elastic (Young's, Tensile) Modulus, GPa 75
52
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 28
19
Tensile Strength: Ultimate (UTS), MPa 280
68

Thermal Properties

Latent Heat of Fusion, J/g 640
69
Melting Completion (Liquidus), °C 650
300
Melting Onset (Solidus), °C 560
240
Specific Heat Capacity, J/kg-K 880
220
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 2.7
7.3
Embodied Carbon, kg CO2/kg material 7.3
12
Embodied Energy, MJ/kg 130
210
Embodied Water, L/kg 950
1220

Common Calculations

Stiffness to Weight: Axial, points 15
3.9
Stiffness to Weight: Bending, points 52
17
Strength to Weight: Axial, points 28
2.6
Strength to Weight: Bending, points 35
5.1
Thermal Shock Resistance, points 14
4.4

Alloy Composition


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Aluminum (Al), % 74.5 to 79.6
0
Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 4.0 to 5.0
1.5 to 3.0
Iron (Fe), % 0 to 1.3
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 16 to 18
0
Tin (Sn), % 0
90 to 93
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.0050
Residuals, % 0 to 0.2
0