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Grade TDSiCrV Steel vs. A201.0 Aluminum

Grade TDSiCrV steel belongs to the iron alloys classification, while A201.0 aluminum belongs to the aluminum 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 grade TDSiCrV steel and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
27
Tensile Strength: Ultimate (UTS), MPa 2100
480

Thermal Properties

Latent Heat of Fusion, J/g 270
390
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1440
650
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
90

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
11
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 1.9
8.1
Embodied Energy, MJ/kg 26
150
Embodied Water, L/kg 50
1150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 75
44
Strength to Weight: Bending, points 47
45
Thermal Diffusivity, mm2/s 13
46
Thermal Shock Resistance, points 63
21

Alloy Composition

Aluminum (Al), % 0
93.7 to 95.5
Carbon (C), % 0.5 to 0.7
0
Chromium (Cr), % 0.5 to 1.0
0
Copper (Cu), % 0 to 0.1
4.0 to 5.0
Iron (Fe), % 96.1 to 97.8
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0.4 to 0.9
0.2 to 0.4
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 1.2 to 1.7
0 to 0.050
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0.15 to 0.35
Vanadium (V), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.1