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7049 Aluminum vs. C79600 Nickel Silver

7049 aluminum belongs to the aluminum alloys classification, while C79600 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.2 to 7.0
15
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 27
43
Shear Strength, MPa 300 to 310
290
Tensile Strength: Ultimate (UTS), MPa 510 to 530
480
Tensile Strength: Yield (Proof), MPa 420 to 450
300

Thermal Properties

Latent Heat of Fusion, J/g 370
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 480
880
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 130
36
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.1
3.5
Embodied Energy, MJ/kg 140
57
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
63
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
400
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 46 to 47
17
Strength to Weight: Bending, points 46 to 47
17
Thermal Diffusivity, mm2/s 51
12
Thermal Shock Resistance, points 22 to 23
15

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
43.5 to 46.5
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0.8 to 1.2
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
1.5 to 2.5
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
38.3 to 45.2
Residuals, % 0
0 to 0.5