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2219 Aluminum vs. Grade FDSiCrV Steel

2219 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 2219 aluminum and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

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 180 to 480
2100

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 230
420
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 110 to 170
47
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3
Density, g/cm3 3.1
7.7
Embodied Carbon, kg CO2/kg material 8.2
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1130
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 16 to 43
75
Strength to Weight: Bending, points 23 to 44
47
Thermal Diffusivity, mm2/s 42 to 63
13
Thermal Shock Resistance, points 8.2 to 22
63

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 5.8 to 6.8
0 to 0.12
Iron (Fe), % 0 to 0.3
96 to 97.8
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
1.2 to 1.7
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0.1 to 0.25
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0