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AISI W2 Steel vs. 2017A Aluminum

AISI W2 steel belongs to the iron alloys classification, while 2017A aluminum belongs to the aluminum alloys. There are 23 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 AISI W2 steel and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
27
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
200 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1410
510
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 45
150
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
11
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 2.0
8.2
Embodied Energy, MJ/kg 29
150
Embodied Water, L/kg 48
1140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 21 to 86
19 to 42
Strength to Weight: Bending, points 20 to 51
26 to 44
Thermal Diffusivity, mm2/s 12
56
Thermal Shock Resistance, points 19 to 80
8.9 to 20

Alloy Composition

Aluminum (Al), % 0
91.3 to 95.5
Carbon (C), % 0.85 to 1.5
0
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 0 to 0.2
3.5 to 4.5
Iron (Fe), % 96.2 to 98.6
0 to 0.7
Magnesium (Mg), % 0
0.4 to 1.0
Manganese (Mn), % 0.35 to 0.74
0.4 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.4
0.2 to 0.8
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants