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C84400 Valve Metal vs. EN AC-51100 Aluminum

C84400 valve metal belongs to the copper alloys classification, while EN AC-51100 aluminum belongs to the aluminum 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 C84400 valve metal and the bottom bar is EN AC-51100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Elongation at Break, % 19
4.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 230
160
Tensile Strength: Yield (Proof), MPa 110
80

Thermal Properties

Latent Heat of Fusion, J/g 180
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 840
620
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 72
130
Thermal Expansion, µm/m-K 19
23

Electrical Properties

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

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
8.7
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 340
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
6.0
Resilience: Unit (Modulus of Resilience), kJ/m3 58
47
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
51
Strength to Weight: Axial, points 7.2
17
Strength to Weight: Bending, points 9.4
25
Thermal Diffusivity, mm2/s 22
53
Thermal Shock Resistance, points 8.3
7.3

Alloy Composition

Aluminum (Al), % 0 to 0.0050
94.5 to 97.5
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
0 to 0.050
Iron (Fe), % 0 to 0.4
0 to 0.55
Lead (Pb), % 6.0 to 8.0
0
Magnesium (Mg), % 0
2.5 to 3.5
Manganese (Mn), % 0
0 to 0.45
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.55
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 0.1
Residuals, % 0
0 to 0.15