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Grade TDCrV Steel vs. EN AC-21100 Aluminum

Grade TDCrV steel belongs to the iron alloys classification, while EN AC-21100 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 520
100 to 110
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 1730
340 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1450
670
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 49
130
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
100

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
11
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 1.9
8.0
Embodied Energy, MJ/kg 26
150
Embodied Water, L/kg 49
1150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 61
31 to 33
Strength to Weight: Bending, points 41
36 to 37
Thermal Diffusivity, mm2/s 13
48
Thermal Shock Resistance, points 51
15

Alloy Composition

Aluminum (Al), % 0
93.4 to 95.7
Carbon (C), % 0.62 to 0.72
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.1
4.2 to 5.2
Iron (Fe), % 97.8 to 98.8
0 to 0.19
Manganese (Mn), % 0.5 to 0.9
0 to 0.55
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.3
0 to 0.18
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0.15 to 0.3
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1