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EN AC-43400 Aluminum vs. Grade VDSiCr Steel

EN AC-43400 aluminum belongs to the aluminum alloys classification, while grade VDSiCr 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-43400 aluminum and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
590
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 270
1950

Thermal Properties

Latent Heat of Fusion, J/g 540
270
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 590
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
46
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1070
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
25
Strength to Weight: Axial, points 29
70
Strength to Weight: Bending, points 36
45
Thermal Diffusivity, mm2/s 59
12
Thermal Shock Resistance, points 12
58

Alloy Composition

Aluminum (Al), % 86 to 90.8
0
Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 0 to 0.1
0 to 0.060
Iron (Fe), % 0 to 1.0
96.6 to 97.8
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.55
0.5 to 0.9
Nickel (Ni), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 9.0 to 11
1.2 to 1.6
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0