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333.0 Aluminum vs. Grade TDSiCr Steel

333.0 aluminum belongs to the aluminum alloys classification, while grade TDSiCr 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 333.0 aluminum and the bottom bar is grade TDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 110
590
Elastic (Young's, Tensile) Modulus, GPa 73
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
80
Tensile Strength: Ultimate (UTS), MPa 230 to 280
1950

Thermal Properties

Latent Heat of Fusion, J/g 520
270
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 100 to 140
46
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26 to 35
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83 to 110
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.2
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.6
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1040
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 22 to 27
70
Strength to Weight: Bending, points 29 to 34
45
Thermal Diffusivity, mm2/s 42 to 57
12
Thermal Shock Resistance, points 11 to 13
58

Alloy Composition

Aluminum (Al), % 81.8 to 89
0
Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 3.0 to 4.0
0 to 0.1
Iron (Fe), % 0 to 1.0
96.6 to 97.8
Magnesium (Mg), % 0.050 to 0.5
0
Manganese (Mn), % 0 to 0.5
0.5 to 0.9
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 8.0 to 10
1.2 to 1.6
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0