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A390.0 Aluminum vs. Grade TDSiCrV Steel

A390.0 aluminum belongs to the aluminum alloys classification, while grade TDSiCrV 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 A390.0 aluminum and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
630
Elastic (Young's, Tensile) Modulus, GPa 75
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
80
Tensile Strength: Ultimate (UTS), MPa 190 to 290
2100

Thermal Properties

Latent Heat of Fusion, J/g 640
270
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 480
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 130
47
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 67
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 7.3
1.9
Embodied Energy, MJ/kg 140
26
Embodied Water, L/kg 950
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 19 to 30
75
Strength to Weight: Bending, points 27 to 36
47
Thermal Diffusivity, mm2/s 56
13
Thermal Shock Resistance, points 9.0 to 14
63

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 0.5
96.1 to 97.8
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 16 to 18
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0