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7049A Aluminum vs. C77400 Nickel Silver

7049A aluminum belongs to the aluminum alloys classification, while C77400 nickel silver 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 7049A aluminum and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
25
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 27
42
Shear Strength, MPa 340 to 350
360
Tensile Strength: Ultimate (UTS), MPa 580 to 590
570
Tensile Strength: Yield (Proof), MPa 500 to 530
250

Thermal Properties

Latent Heat of Fusion, J/g 370
170
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 640
810
Melting Onset (Solidus), °C 430
770
Specific Heat Capacity, J/kg-K 850
390
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
31

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.2
3.5
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
290
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 44
20
Strength to Weight: Axial, points 52 to 53
20
Strength to Weight: Bending, points 50 to 51
19
Thermal Shock Resistance, points 25
18

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
43 to 47
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
41.3 to 48
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5