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EN AC-46100 Aluminum vs. C84400 Valve Metal

EN AC-46100 aluminum belongs to the aluminum alloys classification, while C84400 valve metal belongs to the copper alloys. There are 28 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 EN AC-46100 aluminum and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
100
Elongation at Break, % 1.0
19
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
39
Tensile Strength: Ultimate (UTS), MPa 270
230
Tensile Strength: Yield (Proof), MPa 160
110

Thermal Properties

Latent Heat of Fusion, J/g 550
180
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 600
1000
Melting Onset (Solidus), °C 540
840
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 110
72
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
16
Electrical Conductivity: Equal Weight (Specific), % IACS 90
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 7.6
2.8
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 1030
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
36
Resilience: Unit (Modulus of Resilience), kJ/m3 170
58
Stiffness to Weight: Axial, points 15
6.6
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 27
7.2
Strength to Weight: Bending, points 34
9.4
Thermal Diffusivity, mm2/s 44
22
Thermal Shock Resistance, points 12
8.3

Alloy Composition

Aluminum (Al), % 80.4 to 88.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 1.5 to 2.5
78 to 82
Iron (Fe), % 0 to 1.1
0 to 0.4
Lead (Pb), % 0 to 0.25
6.0 to 8.0
Magnesium (Mg), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.45
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 10 to 12
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.15
2.3 to 3.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.7
7.0 to 10
Residuals, % 0
0 to 0.7