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EN AC-71100 Aluminum vs. C77400 Nickel Silver

EN AC-71100 aluminum belongs to the aluminum alloys classification, while C77400 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, 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 C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.1
25
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 260
570
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 490
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 580
810
Melting Onset (Solidus), °C 520
770
Specific Heat Capacity, J/kg-K 860
390
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
27
Electrical Conductivity: Equal Weight (Specific), % IACS 97
31

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.4
3.5
Embodied Energy, MJ/kg 140
57
Embodied Water, L/kg 1010
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 31
19
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
43 to 47
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
41.3 to 48
Residuals, % 0
0 to 0.5