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ASTM B628 Ag-Cu vs. 7005 Aluminum

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while 7005 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 ASTM B628 Ag-Cu and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
70
Elongation at Break, % 1.1 to 17
10 to 20
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 31
26
Shear Strength, MPa 210 to 430
120 to 230
Tensile Strength: Ultimate (UTS), MPa 350 to 760
200 to 400

Thermal Properties

Latent Heat of Fusion, J/g 140
380
Melting Completion (Liquidus), °C 780
640
Melting Onset (Solidus), °C 780
610
Specific Heat Capacity, J/kg-K 280
880
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 75
110 to 130

Otherwise Unclassified Properties

Density, g/cm3 10
2.9

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
47
Strength to Weight: Axial, points 9.5 to 21
19 to 38
Strength to Weight: Bending, points 11 to 18
26 to 41
Thermal Shock Resistance, points 16 to 34
8.7 to 18

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
91 to 94.7
Cadmium (Cd), % 0 to 0.050
0
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 26.6 to 29
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.4
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
1.0 to 1.8
Manganese (Mn), % 0
0.2 to 0.7
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0
0 to 0.35
Silver (Ag), % 71 to 73
0
Titanium (Ti), % 0
0.010 to 0.060
Zinc (Zn), % 0 to 0.060
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0 to 0.21
0 to 0.15

Comparable Variants