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Grade FDSiCrV Steel vs. 2011A Aluminum

Grade FDSiCrV steel belongs to the iron alloys classification, while 2011A aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 grade FDSiCrV steel and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 2100
310 to 410

Thermal Properties

Latent Heat of Fusion, J/g 270
390
Maximum Temperature: Mechanical, °C 420
190
Melting Completion (Liquidus), °C 1440
660
Melting Onset (Solidus), °C 1400
550
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 47
130
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
96

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
11
Density, g/cm3 7.7
3.1
Embodied Carbon, kg CO2/kg material 1.9
7.9
Embodied Energy, MJ/kg 26
150
Embodied Water, L/kg 50
1150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
44
Strength to Weight: Axial, points 75
28 to 37
Strength to Weight: Bending, points 47
33 to 40
Thermal Diffusivity, mm2/s 13
49
Thermal Shock Resistance, points 63
14 to 18

Alloy Composition

Aluminum (Al), % 0
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Carbon (C), % 0.5 to 0.7
0
Chromium (Cr), % 0.5 to 1.0
0
Copper (Cu), % 0 to 0.12
4.5 to 6.0
Iron (Fe), % 96 to 97.8
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0.4 to 0.9
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.7
0 to 0.4
Sulfur (S), % 0 to 0.025
0
Vanadium (V), % 0.1 to 0.25
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15