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C84400 Valve Metal vs. 324.0 Aluminum

C84400 valve metal belongs to the copper alloys classification, while 324.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, 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 C84400 valve metal and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 19
3.0 to 4.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 230
210 to 310
Tensile Strength: Yield (Proof), MPa 110
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 180
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
610
Melting Onset (Solidus), °C 840
550
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 72
150
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
34
Electrical Conductivity: Equal Weight (Specific), % IACS 17
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.8
2.7
Embodied Carbon, kg CO2/kg material 2.8
7.9
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 340
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
6.8 to 8.9
Resilience: Unit (Modulus of Resilience), kJ/m3 58
85 to 510
Stiffness to Weight: Axial, points 6.6
15
Stiffness to Weight: Bending, points 18
52
Strength to Weight: Axial, points 7.2
22 to 32
Strength to Weight: Bending, points 9.4
29 to 38
Thermal Diffusivity, mm2/s 22
62
Thermal Shock Resistance, points 8.3
9.7 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
87.3 to 92.2
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
0.4 to 0.6
Iron (Fe), % 0 to 0.4
0 to 1.2
Lead (Pb), % 6.0 to 8.0
0
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
7.0 to 8.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.3 to 3.5
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 7.0 to 10
0 to 1.0
Residuals, % 0
0 to 0.2