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3303 Aluminum vs. C74400 Nickel Silver

3303 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 3303 aluminum and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 23
43
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Shear Strength, MPa 69
240
Tensile Strength: Ultimate (UTS), MPa 110
350
Tensile Strength: Yield (Proof), MPa 39
120

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 650
930
Melting Onset (Solidus), °C 620
910
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
26
Electrical Conductivity: Equal Weight (Specific), % IACS 140
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
120
Resilience: Unit (Modulus of Resilience), kJ/m3 11
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 11
12
Strength to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 67
37
Thermal Shock Resistance, points 4.8
12

Alloy Composition

Aluminum (Al), % 96.6 to 99
0
Copper (Cu), % 0.050 to 0.2
62 to 66
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
2.0 to 4.0
Silicon (Si), % 0 to 0.6
0
Zinc (Zn), % 0 to 0.3
29.6 to 36
Residuals, % 0
0 to 0.3