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1070 Aluminum vs. C74400 Nickel Silver

1070 aluminum belongs to the aluminum alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 1070 aluminum and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.5 to 39
43
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Shear Strength, MPa 48 to 79
240
Tensile Strength: Ultimate (UTS), MPa 73 to 140
350
Tensile Strength: Yield (Proof), MPa 17 to 120
120

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 640
910
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
26
Electrical Conductivity: Equal Weight (Specific), % IACS 200
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.3
2.9
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 1200
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 7.5 to 14
12
Strength to Weight: Bending, points 14 to 22
14
Thermal Diffusivity, mm2/s 94
37
Thermal Shock Resistance, points 3.3 to 6.1
12

Alloy Composition

Aluminum (Al), % 99.7 to 100
0
Copper (Cu), % 0 to 0.040
62 to 66
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0
2.0 to 4.0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
29.6 to 36
Residuals, % 0
0 to 0.3