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Grade TDCrV Steel vs. 6151 Aluminum

Grade TDCrV steel belongs to the iron alloys classification, while 6151 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 TDCrV steel and the bottom bar is 6151 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 1730
330 to 340

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 49
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
45
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
150

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.9
8.2
Embodied Energy, MJ/kg 26
150
Embodied Water, L/kg 49
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 61
34
Strength to Weight: Bending, points 41
39
Thermal Diffusivity, mm2/s 13
70
Thermal Shock Resistance, points 51
15

Alloy Composition

Aluminum (Al), % 0
95.6 to 98.8
Carbon (C), % 0.62 to 0.72
0
Chromium (Cr), % 0.4 to 0.6
0.15 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.35
Iron (Fe), % 97.8 to 98.8
0 to 1.0
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0.5 to 0.9
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.3
0.6 to 1.2
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.15
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15