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C84400 Valve Metal vs. EN AC-41000 Aluminum

C84400 valve metal belongs to the copper alloys classification, while EN AC-41000 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-41000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 19
4.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 230
170 to 280
Tensile Strength: Yield (Proof), MPa 110
80 to 210

Thermal Properties

Latent Heat of Fusion, J/g 180
420
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 840
630
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 72
170
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
38
Electrical Conductivity: Equal Weight (Specific), % IACS 17
130

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
8.2
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 340
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
6.4 to 11
Resilience: Unit (Modulus of Resilience), kJ/m3 58
46 to 300
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
51
Strength to Weight: Axial, points 7.2
18 to 29
Strength to Weight: Bending, points 9.4
26 to 35
Thermal Diffusivity, mm2/s 22
69
Thermal Shock Resistance, points 8.3
7.8 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
95.2 to 97.6
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.6
Lead (Pb), % 6.0 to 8.0
0 to 0.050
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0.3 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 0.050
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
1.6 to 2.4
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.3 to 3.5
0 to 0.050
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 7.0 to 10
0 to 0.1
Residuals, % 0
0 to 0.15