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C70700 Copper-nickel vs. EN AC-45100 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while EN AC-45100 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C70700 copper-nickel and the bottom bar is EN AC-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
97 to 130
Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 39
1.0 to 2.8
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 320
300 to 360
Tensile Strength: Yield (Proof), MPa 110
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 220
470
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1120
630
Melting Onset (Solidus), °C 1060
550
Specific Heat Capacity, J/kg-K 390
890
Thermal Conductivity, W/m-K 59
140
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
30
Electrical Conductivity: Equal Weight (Specific), % IACS 12
95

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 8.9
2.8
Embodied Carbon, kg CO2/kg material 3.4
7.9
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 300
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
3.5 to 7.6
Resilience: Unit (Modulus of Resilience), kJ/m3 51
290 to 710
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 10
30 to 35
Strength to Weight: Bending, points 12
35 to 39
Thermal Diffusivity, mm2/s 17
54
Thermal Shock Resistance, points 12
14 to 16

Alloy Composition

Aluminum (Al), % 0
88 to 92.8
Copper (Cu), % 88.5 to 90.5
2.6 to 3.6
Iron (Fe), % 0 to 0.050
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.45
Manganese (Mn), % 0 to 0.5
0 to 0.55
Nickel (Ni), % 9.5 to 10.5
0 to 0.1
Silicon (Si), % 0
4.5 to 6.0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15