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A444.0 Aluminum vs. Grade VDCrV Steel

A444.0 aluminum belongs to the aluminum alloys classification, while grade VDCrV steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 A444.0 aluminum and the bottom bar is grade VDCrV 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 160
1730

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
49
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.1
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1110
49

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 17
61
Strength to Weight: Bending, points 25
41
Thermal Diffusivity, mm2/s 68
13
Thermal Shock Resistance, points 7.3
51

Alloy Composition

Aluminum (Al), % 91.6 to 93.5
0
Carbon (C), % 0
0.62 to 0.72
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.1
0 to 0.060
Iron (Fe), % 0 to 0.2
97.8 to 98.8
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.1
0.5 to 0.9
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 6.5 to 7.5
0.15 to 0.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.15 to 0.25
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0