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EN AC-71100 Aluminum vs. C75700 Nickel Silver

EN AC-71100 aluminum belongs to the aluminum alloys classification, while C75700 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.1
3.2 to 22
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 260
590 to 610
Tensile Strength: Yield (Proof), MPa 230
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 490
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 580
1040
Melting Onset (Solidus), °C 520
990
Specific Heat Capacity, J/kg-K 860
390
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 97
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.9
8.4
Embodied Carbon, kg CO2/kg material 7.4
3.6
Embodied Energy, MJ/kg 140
56
Embodied Water, L/kg 1010
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
930 to 1410
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 25
19 to 20
Strength to Weight: Bending, points 31
19
Thermal Shock Resistance, points 12
22 to 23

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
63.5 to 66.5
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0
11 to 13
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
19.2 to 25.5
Residuals, % 0
0 to 0.5