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C355.0 Aluminum vs. Grade TDSiCrV Steel

C355.0 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 C355.0 aluminum and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86 to 90
630
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 290 to 310
2100

Thermal Properties

Latent Heat of Fusion, J/g 470
270
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 620
1440
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
47
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
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 8.0
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1120
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 30 to 32
75
Strength to Weight: Bending, points 36 to 37
47
Thermal Diffusivity, mm2/s 60
13
Thermal Shock Resistance, points 13 to 14
63

Alloy Composition

Aluminum (Al), % 91.7 to 94.1
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 1.0 to 1.5
0 to 0.1
Iron (Fe), % 0 to 0.2
96.1 to 97.8
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 4.5 to 5.5
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 0.15
0