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EN AC-46400 Aluminum vs. Grade FDSiCrV Steel

EN AC-46400 aluminum belongs to the aluminum alloys classification, while grade FDSiCrV steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 EN AC-46400 aluminum and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77 to 120
630
Elastic (Young's, Tensile) Modulus, GPa 72
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 170 to 310
2100

Thermal Properties

Latent Heat of Fusion, J/g 520
270
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 610
1440
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 130
47
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 7.8
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1070
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 18 to 32
75
Strength to Weight: Bending, points 26 to 38
47
Thermal Diffusivity, mm2/s 55
13
Thermal Shock Resistance, points 7.8 to 14
63

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0.8 to 1.3
0 to 0.12
Iron (Fe), % 0 to 0.8
96 to 97.8
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0.4 to 0.9
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 8.3 to 9.7
1.2 to 1.7
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.25
0