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5454 Aluminum vs. C84400 Valve Metal

5454 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 (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 5454 aluminum and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 2.3 to 18
19
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 230 to 350
230
Tensile Strength: Yield (Proof), MPa 97 to 290
110

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 600
840
Specific Heat Capacity, J/kg-K 900
370
Thermal Conductivity, W/m-K 130
72
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
16
Electrical Conductivity: Equal Weight (Specific), % IACS 110
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.6
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3 to 34
36
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 590
58
Stiffness to Weight: Axial, points 14
6.6
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 23 to 36
7.2
Strength to Weight: Bending, points 30 to 41
9.4
Thermal Diffusivity, mm2/s 55
22
Thermal Shock Resistance, points 10 to 16
8.3

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
78 to 82
Iron (Fe), % 0 to 0.4
0 to 0.4
Lead (Pb), % 0
6.0 to 8.0
Magnesium (Mg), % 2.4 to 3.0
0
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.3 to 3.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
7.0 to 10
Residuals, % 0
0 to 0.7