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2030 Aluminum vs. Grade FDSiCrV Steel

2030 aluminum belongs to the aluminum alloys classification, while grade FDSiCrV steel belongs to the iron 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 2030 aluminum and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 370 to 420
2100

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 510
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130
47
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3
Density, g/cm3 3.1
7.7
Embodied Carbon, kg CO2/kg material 8.0
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1140
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 33 to 38
75
Strength to Weight: Bending, points 37 to 40
47
Thermal Diffusivity, mm2/s 50
13
Thermal Shock Resistance, points 16 to 19
63

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0 to 0.1
0.5 to 1.0
Copper (Cu), % 3.3 to 4.5
0 to 0.12
Iron (Fe), % 0 to 0.7
96 to 97.8
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.8
1.2 to 1.7
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0