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AISI W2 Steel vs. 7010 Aluminum

AISI W2 steel belongs to the iron alloys classification, while 7010 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 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
520 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1410
480
Specific Heat Capacity, J/kg-K 470
860
Thermal Conductivity, W/m-K 45
150
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
10
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 2.0
8.3
Embodied Energy, MJ/kg 29
150
Embodied Water, L/kg 48
1120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
45
Strength to Weight: Axial, points 21 to 86
47 to 54
Strength to Weight: Bending, points 20 to 51
47 to 52
Thermal Diffusivity, mm2/s 12
58
Thermal Shock Resistance, points 19 to 80
22 to 26

Alloy Composition

Aluminum (Al), % 0
87.9 to 90.6
Carbon (C), % 0.85 to 1.5
0
Chromium (Cr), % 0 to 0.15
0 to 0.050
Copper (Cu), % 0 to 0.2
1.5 to 2.0
Iron (Fe), % 96.2 to 98.6
0 to 0.15
Magnesium (Mg), % 0
2.1 to 2.6
Manganese (Mn), % 0.35 to 0.74
0 to 0.1
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0 to 0.050
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.4
0 to 0.12
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.060
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0
Zinc (Zn), % 0
5.7 to 6.7
Zirconium (Zr), % 0
0.1 to 0.16
Residuals, % 0
0 to 0.15