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319.0 Aluminum vs. SAE-AISI S1 Steel

319.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI S1 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 319.0 aluminum and the bottom bar is SAE-AISI S1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 190 to 240
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 480
260
Melting Completion (Liquidus), °C 600
1500
Melting Onset (Solidus), °C 540
1450
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 110
41
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 84
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 2.9
8.0
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 1080
56

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 18 to 24
24 to 64
Strength to Weight: Bending, points 25 to 30
22 to 42
Thermal Diffusivity, mm2/s 44
11
Thermal Shock Resistance, points 8.6 to 11
21 to 56

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Carbon (C), % 0
0.4 to 0.55
Chromium (Cr), % 0
1.0 to 1.8
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 0 to 1.0
91.6 to 96.7
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.1 to 0.4
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.35
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 5.5 to 6.5
0.15 to 1.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
1.5 to 3.0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0