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EN AC-21100 Aluminum vs. C74000 Nickel Silver

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C74000 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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-21100 aluminum and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 340 to 350
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
990
Melting Onset (Solidus), °C 550
950
Specific Heat Capacity, J/kg-K 880
390
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
42

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 3.0
8.5
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1150
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
13 to 19
Strength to Weight: Bending, points 36 to 37
14 to 18
Thermal Shock Resistance, points 15
13 to 19

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
69 to 73.5
Iron (Fe), % 0 to 0.19
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.55
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.18
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
14.2 to 22
Residuals, % 0 to 0.1
0 to 0.5