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AISI W2 Steel vs. 2095 Aluminum

AISI W2 steel belongs to the iron alloys classification, while 2095 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
700

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Melting Completion (Liquidus), °C 1450
660
Melting Onset (Solidus), °C 1410
540
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
31
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 2.0
8.6
Embodied Energy, MJ/kg 29
160
Embodied Water, L/kg 48
1470

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 21 to 86
65
Strength to Weight: Bending, points 20 to 51
59
Thermal Diffusivity, mm2/s 12
49
Thermal Shock Resistance, points 19 to 80
31

Alloy Composition

Aluminum (Al), % 0
91.3 to 94.9
Carbon (C), % 0.85 to 1.5
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.2
3.9 to 4.6
Iron (Fe), % 96.2 to 98.6
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0.35 to 0.74
0 to 0.25
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 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.1
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
0.040 to 0.18
Residuals, % 0
0 to 0.15