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B443.0 Aluminum vs. SAE-AISI M36 Steel

B443.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI M36 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 B443.0 aluminum and the bottom bar is SAE-AISI M36 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 150
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 470
260
Melting Completion (Liquidus), °C 620
1600
Melting Onset (Solidus), °C 600
1550
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 150
19
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
38
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.0
9.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
140

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 15
27 to 72
Strength to Weight: Bending, points 23
23 to 44
Thermal Diffusivity, mm2/s 61
5.1
Thermal Shock Resistance, points 6.8
25 to 68

Alloy Composition

Aluminum (Al), % 91.9 to 95.5
0
Carbon (C), % 0
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.8
70.1 to 75.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0.15 to 0.4
Molybdenum (Mo), % 0
4.6 to 5.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 4.5 to 6.0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0