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EN AC-45300 Aluminum vs. C74400 Nickel Silver

EN AC-45300 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-45300 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, % 1.0 to 2.8
43
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 220 to 290
350
Tensile Strength: Yield (Proof), MPa 150 to 230
120

Thermal Properties

Latent Heat of Fusion, J/g 470
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 630
930
Melting Onset (Solidus), °C 590
910
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
26
Electrical Conductivity: Equal Weight (Specific), % IACS 120
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.9
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.6
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 23 to 29
12
Strength to Weight: Bending, points 30 to 35
14
Thermal Diffusivity, mm2/s 60
37
Thermal Shock Resistance, points 10 to 13
12

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0
Copper (Cu), % 1.0 to 1.5
62 to 66
Iron (Fe), % 0 to 0.65
0 to 0.050
Lead (Pb), % 0 to 0.15
0 to 0.050
Magnesium (Mg), % 0.35 to 0.65
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.25
2.0 to 4.0
Silicon (Si), % 4.5 to 5.5
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
29.6 to 36
Residuals, % 0
0 to 0.3