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7049 Aluminum vs. C73100 Nickel Silver

7049 aluminum belongs to the aluminum alloys classification, while C73100 nickel silver belongs to the copper 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 7049 aluminum and the bottom bar is C73100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.2 to 7.0
3.4 to 8.0
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
43
Shear Strength, MPa 300 to 310
260 to 370
Tensile Strength: Ultimate (UTS), MPa 510 to 530
450 to 640
Tensile Strength: Yield (Proof), MPa 420 to 450
420 to 590

Thermal Properties

Latent Heat of Fusion, J/g 370
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 480
1000
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 130
35
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 3.1
8.4
Embodied Carbon, kg CO2/kg material 8.1
3.0
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
21 to 35
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
790 to 1560
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 46 to 47
15 to 21
Strength to Weight: Bending, points 46 to 47
15 to 20
Thermal Diffusivity, mm2/s 51
11
Thermal Shock Resistance, points 22 to 23
15 to 21

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
70.8 to 78
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 0
4.0 to 6.0
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
18 to 22
Residuals, % 0
0 to 0.5