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C74400 Nickel Silver vs. 7049 Aluminum

C74400 nickel silver belongs to the copper alloys classification, while 7049 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 C74400 nickel silver and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 43
6.2 to 7.0
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
27
Shear Strength, MPa 240
300 to 310
Tensile Strength: Ultimate (UTS), MPa 350
510 to 530
Tensile Strength: Yield (Proof), MPa 120
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 180
370
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 910
480
Specific Heat Capacity, J/kg-K 390
860
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
36
Electrical Conductivity: Equal Weight (Specific), % IACS 29
110

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 8.2
3.1
Embodied Carbon, kg CO2/kg material 2.9
8.1
Embodied Energy, MJ/kg 48
140
Embodied Water, L/kg 320
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 63
1270 to 1440
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 12
46 to 47
Strength to Weight: Bending, points 14
46 to 47
Thermal Diffusivity, mm2/s 37
51
Thermal Shock Resistance, points 12
22 to 23

Alloy Composition

Aluminum (Al), % 0
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 62 to 66
1.2 to 1.9
Iron (Fe), % 0 to 0.050
0 to 0.35
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
2.0 to 2.9
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 2.0 to 4.0
0
Silicon (Si), % 0
0 to 0.25
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 29.6 to 36
7.2 to 8.2
Residuals, % 0
0 to 0.15