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EN AC-71100 Aluminum vs. C71520 Copper-nickel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
140
Elongation at Break, % 1.1
10 to 45
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
51
Tensile Strength: Ultimate (UTS), MPa 260
370 to 570
Tensile Strength: Yield (Proof), MPa 230
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 490
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 580
1170
Melting Onset (Solidus), °C 520
1120
Specific Heat Capacity, J/kg-K 860
400
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 97
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 7.4
5.0
Embodied Energy, MJ/kg 140
73
Embodied Water, L/kg 1010
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 360
67 to 680
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 25
12 to 18
Strength to Weight: Bending, points 31
13 to 17
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.1
65 to 71.6
Iron (Fe), % 0 to 0.3
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 7.5 to 9.5
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0 to 0.5
Residuals, % 0
0 to 0.5