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EN AC-71100 Aluminum vs. 70Ag-30Ni Alloy

EN AC-71100 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 (11, 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 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 260
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 490
170
Melting Completion (Liquidus), °C 580
960
Melting Onset (Solidus), °C 520
960
Specific Heat Capacity, J/kg-K 860
300
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
69
Electrical Conductivity: Equal Weight (Specific), % IACS 97
62

Otherwise Unclassified Properties

Density, g/cm3 2.9
10

Common Calculations

Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 47
16
Strength to Weight: Axial, points 25
8.8 to 15
Strength to Weight: Bending, points 31
10 to 15
Thermal Shock Resistance, points 12
13 to 21

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
28.8 to 31
Silicon (Si), % 7.5 to 9.5
0
Silver (Ag), % 0
69 to 71
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0
0 to 0.2