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EN AC-71100 Aluminum vs. ASTM B631 Class C

EN AC-71100 aluminum belongs to the aluminum alloys classification, while ASTM B631 class C belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (17, 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 EN AC-71100 aluminum and the bottom bar is ASTM B631 class C.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
180 to 190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
66 to 71

Thermal Properties

Latent Heat of Fusion, J/g 490
140 to 150
Melting Completion (Liquidus), °C 580
2090 to 2230
Specific Heat Capacity, J/kg-K 860
180
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
55 to 63
Electrical Conductivity: Equal Weight (Specific), % IACS 97
36 to 43

Otherwise Unclassified Properties

Density, g/cm3 2.9
13 to 14
Embodied Carbon, kg CO2/kg material 7.4
55 to 59
Embodied Energy, MJ/kg 140
860 to 920

Common Calculations

Stiffness to Weight: Axial, points 14
7.4 to 7.6
Stiffness to Weight: Bending, points 47
14