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EN AC-43300 Aluminum vs. Grade FDSiCr Steel

EN AC-43300 aluminum belongs to the aluminum alloys classification, while grade FDSiCr 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-43300 aluminum and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91 to 94
580
Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 280 to 290
1930

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 910
480
Thermal Conductivity, W/m-K 140
48
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.5
7.7
Embodied Carbon, kg CO2/kg material 7.9
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1080
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
25
Strength to Weight: Axial, points 31 to 32
69
Strength to Weight: Bending, points 37 to 38
44
Thermal Diffusivity, mm2/s 59
13
Thermal Shock Resistance, points 13 to 14
58

Alloy Composition

Aluminum (Al), % 88.9 to 90.8
0
Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 0 to 0.050
0 to 0.12
Iron (Fe), % 0 to 0.19
96.5 to 97.8
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.5 to 0.9
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 9.0 to 10
1.2 to 1.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0