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EN AC-71100 Aluminum vs. C72150 Copper-nickel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 27 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 C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
99
Elastic (Young's, Tensile) Modulus, GPa 72
150
Elongation at Break, % 1.1
29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
55
Tensile Strength: Ultimate (UTS), MPa 260
490
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 490
250
Maximum Temperature: Mechanical, °C 170
600
Melting Completion (Liquidus), °C 580
1210
Melting Onset (Solidus), °C 520
1250
Specific Heat Capacity, J/kg-K 860
410
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 97
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
45
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 7.4
6.1
Embodied Energy, MJ/kg 140
88
Embodied Water, L/kg 1010
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 31
15
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
52.5 to 57
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 7.5 to 9.5
0 to 0.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0 to 0.2
Residuals, % 0
0 to 0.5