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C443.0 Aluminum vs. Grade TDSiCrV Steel

C443.0 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 (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 C443.0 aluminum and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
630
Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 230
2100

Thermal Properties

Latent Heat of Fusion, J/g 470
270
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 600
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
47
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 7.9
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1120
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 24
75
Strength to Weight: Bending, points 31
47
Thermal Diffusivity, mm2/s 58
13
Thermal Shock Resistance, points 10
63

Alloy Composition

Aluminum (Al), % 89.6 to 95.5
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0 to 0.6
0 to 0.1
Iron (Fe), % 0 to 2.0
96.1 to 97.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0.4 to 0.9
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 4.5 to 6.0
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.15
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.25
0