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EN AC-42200 Aluminum vs. ASTM B596 Au-Cu

EN AC-42200 aluminum belongs to the aluminum alloys classification, while ASTM B596 Au-Cu belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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-42200 aluminum and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 3.0 to 6.7
4.3 to 17
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 320
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 500
77
Melting Completion (Liquidus), °C 610
1060
Melting Onset (Solidus), °C 600
930
Specific Heat Capacity, J/kg-K 910
150
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.7

Otherwise Unclassified Properties

Density, g/cm3 2.6
18

Common Calculations

Stiffness to Weight: Axial, points 15
3.1
Stiffness to Weight: Bending, points 53
8.5
Strength to Weight: Axial, points 34 to 35
6.8 to 9.4
Strength to Weight: Bending, points 40 to 41
7.1 to 8.8
Thermal Shock Resistance, points 15
22 to 30

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Copper (Cu), % 0 to 0.050
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 0 to 0.19
0
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.4