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A380.0 Aluminum vs. ASTM B628 Ag-Cu

A380.0 aluminum belongs to the aluminum alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. There are 19 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 A380.0 aluminum and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
83
Elongation at Break, % 3.3
1.1 to 17
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 27
31
Shear Strength, MPa 190
210 to 430
Tensile Strength: Ultimate (UTS), MPa 290
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 510
140
Melting Completion (Liquidus), °C 590
780
Melting Onset (Solidus), °C 550
780
Specific Heat Capacity, J/kg-K 870
280
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
84
Electrical Conductivity: Equal Weight (Specific), % IACS 78
75

Otherwise Unclassified Properties

Density, g/cm3 2.9
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.6
Stiffness to Weight: Bending, points 48
14
Strength to Weight: Axial, points 28
9.5 to 21
Strength to Weight: Bending, points 34
11 to 18
Thermal Shock Resistance, points 13
16 to 34

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 3.0 to 4.0
26.6 to 29
Iron (Fe), % 0 to 1.3
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 7.5 to 9.5
0
Silver (Ag), % 0
71 to 73
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0 to 0.060
Residuals, % 0 to 0.5
0 to 0.21