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296.0 Aluminum vs. Grade FDSiCr Steel

296.0 aluminum belongs to the aluminum alloys classification, while grade FDSiCr steel belongs to the iron 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 296.0 aluminum and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
580
Elastic (Young's, Tensile) Modulus, GPa 72
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 260 to 270
1930

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130 to 150
48
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.2
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1110
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 24 to 25
69
Strength to Weight: Bending, points 30 to 31
44
Thermal Diffusivity, mm2/s 51 to 56
13
Thermal Shock Resistance, points 12
58

Alloy Composition

Aluminum (Al), % 89 to 94
0
Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 4.0 to 5.0
0 to 0.12
Iron (Fe), % 0 to 1.2
96.5 to 97.8
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0.5 to 0.9
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.0 to 3.0
1.2 to 1.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0