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EN AC-44400 Aluminum vs. C74400 Nickel Silver

EN AC-44400 aluminum belongs to the aluminum alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 28 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 EN AC-44400 aluminum and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.1
43
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 210
350
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 540
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 600
930
Melting Onset (Solidus), °C 590
910
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
26
Electrical Conductivity: Equal Weight (Specific), % IACS 110
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.6
8.2
Embodied Carbon, kg CO2/kg material 7.8
2.9
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1080
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
120
Resilience: Unit (Modulus of Resilience), kJ/m3 85
63
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 54
19
Strength to Weight: Axial, points 23
12
Strength to Weight: Bending, points 31
14
Thermal Diffusivity, mm2/s 60
37
Thermal Shock Resistance, points 9.8
12

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Copper (Cu), % 0 to 0.1
62 to 66
Iron (Fe), % 0 to 0.65
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.050
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.050
2.0 to 4.0
Silicon (Si), % 8.0 to 11
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
29.6 to 36
Residuals, % 0
0 to 0.3