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B535.0 Aluminum vs. AISI W2 Steel

B535.0 aluminum belongs to the aluminum alloys classification, while AISI W2 steel belongs to the iron 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 B535.0 aluminum and the bottom bar is AISI W2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 66
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
72
Tensile Strength: Ultimate (UTS), MPa 260
580 to 2400

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 96
45
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 82
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.4
2.0
Embodied Energy, MJ/kg 160
29
Embodied Water, L/kg 1180
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 28
21 to 86
Strength to Weight: Bending, points 35
20 to 51
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 11
19 to 80

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0.85 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.15
96.2 to 98.6
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
0.35 to 0.74
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0.1 to 0.4
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.1 to 0.25
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0.15 to 0.35
Residuals, % 0 to 0.15
0