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C84400 Valve Metal vs. EN AC-71100 Aluminum

C84400 valve metal belongs to the copper alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, 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-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Elongation at Break, % 19
1.1
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 230
260
Tensile Strength: Yield (Proof), MPa 110
230

Thermal Properties

Latent Heat of Fusion, J/g 180
490
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
580
Melting Onset (Solidus), °C 840
520
Specific Heat Capacity, J/kg-K 370
860
Thermal Expansion, µm/m-K 19
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
32
Electrical Conductivity: Equal Weight (Specific), % IACS 17
97

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 2.8
7.4
Embodied Energy, MJ/kg 46
140
Embodied Water, L/kg 340
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 58
360
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 7.2
25
Strength to Weight: Bending, points 9.4
31
Thermal Shock Resistance, points 8.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
78.7 to 83.3
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.3
Lead (Pb), % 6.0 to 8.0
0
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
7.5 to 9.5
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.3 to 3.5
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 7.0 to 10
9.0 to 10.5
Residuals, % 0
0 to 0.15