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6081 Aluminum vs. 70Ag-30Ni Alloy

6081 aluminum belongs to the aluminum alloys classification, while 70Ag-30Ni alloy belongs to the otherwise unclassified metals. There are 17 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 6081 aluminum and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 310
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Melting Completion (Liquidus), °C 640
960
Melting Onset (Solidus), °C 610
960
Specific Heat Capacity, J/kg-K 900
300
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
69
Electrical Conductivity: Equal Weight (Specific), % IACS 160
62

Otherwise Unclassified Properties

Density, g/cm3 2.7
10

Common Calculations

Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 50
16
Strength to Weight: Axial, points 32
8.8 to 15
Strength to Weight: Bending, points 37
10 to 15
Thermal Shock Resistance, points 14
13 to 21

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0
Nickel (Ni), % 0
28.8 to 31
Silicon (Si), % 0.7 to 1.1
0
Silver (Ag), % 0
69 to 71
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.2