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Grade TDSiCrV Steel vs. 5457 Aluminum

Grade TDSiCrV steel belongs to the iron alloys classification, while 5457 aluminum belongs to the aluminum 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 grade TDSiCrV steel and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
32 to 55
Elastic (Young's, Tensile) Modulus, GPa 190
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 2100
130 to 210

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Maximum Temperature: Mechanical, °C 420
180
Melting Completion (Liquidus), °C 1440
660
Melting Onset (Solidus), °C 1400
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 47
180
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
46
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
150

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 1.9
8.4
Embodied Energy, MJ/kg 26
160
Embodied Water, L/kg 50
1190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 75
13 to 21
Strength to Weight: Bending, points 47
21 to 28
Thermal Diffusivity, mm2/s 13
72
Thermal Shock Resistance, points 63
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0
97.8 to 99.05
Carbon (C), % 0.5 to 0.7
0
Chromium (Cr), % 0.5 to 1.0
0
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 96.1 to 97.8
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0.4 to 0.9
0.15 to 0.45
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 1.2 to 1.7
0 to 0.080
Sulfur (S), % 0 to 0.020
0
Vanadium (V), % 0.1 to 0.25
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1